50295 + Interview Questions in Secondary School in Biology

1.	Q. What is the nature of the image formed by a concave mirror if the magnification produced by the minor is +3..
Answer» $\huge \red {\underline {HAYE\:MATE}}$ $\huge \red {\mathbb {ANSWER}}$ The image will be a MINUTE STRUCTURE REDUCING its SIZE to 3 times, of its ORIGINAL structure will be virtual and erect. $\huge \blue {\mathbb {THANKS}}$ $\huge \green {FOllOW\:ME}$ $\huge \purple {\mathbb {SINGLE\:STAR}}$

1.

Q. What is the nature of the image formed by a concave mirror if the magnification produced by the minor is +3..

Answer»

$\huge \red {\underline {HAYE\:MATE}}$

$\huge \red {\mathbb {ANSWER}}$

The image will be a MINUTE STRUCTURE REDUCING its SIZE to 3 times, of its ORIGINAL structure will be virtual and erect.

$\huge \blue {\mathbb {THANKS}}$

$\huge \green {FOllOW\:ME}$

$\huge \purple {\mathbb {SINGLE\:STAR}}$

Discussion

2.	Q. What is the nature of the image formed by a concave mirror if the magnification produced by the minor is +3?
Answer» ANSWER: USE GOOGLE GET UR answer

2.

Q. What is the nature of the image formed by a concave mirror if the magnification produced by the minor is +3?

Answer»

ANSWER:

USE GOOGLE GET UR answer

Discussion

3.	What is CPR or cardiopulmonary resuscitation? When is this life saving technique used and write the procedure that is followed for CPR.
Answer» Explanation: Cardiopulmonary resuscitation (CPR) is an emergency procedure that combines chest compressions often with artificial ventilation in an EFFORT to manually preserve intact BRAIN function until further measures are taken to restore spontaneous BLOOD CIRCULATION and breathing in a person who is in cardiac arrest. please mark it as the brainliest if it helped U ☺️

3.

What is CPR or cardiopulmonary resuscitation? When is this life saving technique used and write the procedure that is followed for CPR.

Answer»

Explanation:

Cardiopulmonary resuscitation (CPR) is an emergency procedure that combines chest compressions often with artificial ventilation in an EFFORT to manually preserve intact BRAIN function until further measures are taken to restore spontaneous BLOOD CIRCULATION and breathing in a person who is in cardiac arrest.

please mark it as the brainliest if it helped U ☺️

Discussion

4.	Name the term for transport of food from leaves to other parts of plants
Answer» $\huge\boxed{\fcolorbox{violet}{violet}{Answer}}$ The TERM for transport of FOOD from leaves to other PARTS of plants is TRANSLOCATION of food .

4.

Name the term for transport of food from leaves to other parts of plants

Answer»

$\huge\boxed{\fcolorbox{violet}{violet}{Answer}}$

The TERM for transport of FOOD from leaves to other PARTS of plants is TRANSLOCATION of food .

Discussion

5.	Arithmetic growth vs geometric growth in 6 pts for home work
Answer» In arithmetic growth only one DAUGHTER cells dives and all the other cells UNDERGO DIFFERENTIATION and maturation. ... In geometric growth the growth is proportional to the nutrients supply after which it declines. All the daughter cells DIVIDE by mitosis. This is also KNOWN as exponential growth. Read more on Brainly.in - brainly.in/question/16057808#readmore

Discussion

6.	What will happen to tha leaf if its lower surface is covered with grease?
Answer» ANSWER: DEFUSSION EXCHANGE of GASES will BLOCKED

6.

What will happen to tha leaf if its lower surface is covered with grease?

Answer»

ANSWER:

DEFUSSION EXCHANGE of GASES will BLOCKED

Discussion

7.	Explain any four out breeding devices that prevents autogamy
Answer» The devices which are used to prevent AUTOGAMY are: The male and the female reproductive organs in the FLOWER do not get matured at the same time (protandry and protogyny). ... The stigma of the female flower does not recognise the pollen from the anther of the flower on same PLANT (self-incompatibility)Outbreeding devices are mechanisms which are followed and adapted by the plants in order to prevent self pollination. The examples of outbreeding devices are: UNISEXUALITY: The plant may be unisexual, which means it may exhibit either male or female gametes.

Discussion

8.	What provide raw material for our body ?
Answer» Nutrients are the substances in food that PROVIDE the raw materials and ENERGY the body needs to carry out all its essential processes. -Are COMPOSED of CARBON, oxygen, and hydrogen, and are a MAJOR source of energy.

Discussion

9.	Freezing point of ethanol is.....
Answer» Answer: Freezing POINT of ETHANOL is -114.1 DEGREE Celsius. Boiling point 78.37 degree Celsius. Explanation

9.

Freezing point of ethanol is.....

Answer»

Answer:

Freezing POINT of ETHANOL is -114.1 DEGREE Celsius.

Boiling point 78.37 degree Celsius.

Explanation

Discussion

10.	Q. Explain why a ray of light passing through the centre of curvature of concave minor gets reflected along the same path..
Answer» $\huge \red {\underline {HAYE\:MATE}}$ $\huge \red {\mathbb {ANSWER}}$ The light falling on the centre of CURVATURE is reflected back along the same path because incident ray FALLS on the mirror along the normal to the reflecting SURFACE. $\huge \blue {\mathbb {THANKS}}$ $\huge \green {FOllOW\:ME}$ $\huge \purple {\mathbb {SINGLE\:STAR}}$

10.

Q. Explain why a ray of light passing through the centre of curvature of concave minor gets reflected along the same path..

Answer»

$\huge \red {\underline {HAYE\:MATE}}$

$\huge \red {\mathbb {ANSWER}}$

The light falling on the centre of CURVATURE is reflected back along the same path because incident ray FALLS on the mirror along the normal to the reflecting SURFACE.

$\huge \blue {\mathbb {THANKS}}$

$\huge \green {FOllOW\:ME}$

$\huge \purple {\mathbb {SINGLE\:STAR}}$

Discussion

11.	Mention any two function of epidermis
Answer» Answer: It FORMS a boundary between the plant and the external environment. The epidermis serves several functions: it protects against WATER loss, regulates gas exchange, SECRETES metabolic compounds, and (especially in ROOTS) absorbs water and mineral nutrients. Explanation: MARK me as branilest

11.

Mention any two function of epidermis

Answer»

Answer:

It FORMS a boundary between the plant and the external environment. The epidermis serves several functions: it protects against WATER loss, regulates gas exchange, SECRETES metabolic compounds, and (especially in ROOTS) absorbs water and mineral nutrients.

Explanation:

MARK me as branilest

Discussion

12.	For showing stomata a leaf peel is obtained from ______a) Upper surfaceb) Lower surfacec)Any surfaced)Whole leaf
Answer» Answer: For showing stomata a LEAF peel is obtained from lower surface. Option B Explanation: Stomata are the minute pores that are present on the surface of leaves that help in the passage of gaseous exchange and exchange of water vapour during photosynthesis and transpiration. Stomata is mainly present on the under surface of the leaves. This is because the stomata is a pore, which if BLOCKED by the dusts and other particles falling on the leaf can HINDER the gaseous exchange. Also the direct sunlight falling on the upper surface of the leaves will increase the transpiration rate to a huge extent. Thirdly, most of the plants have thick layer of CUTICLE on their upper surface of leaf. So the peel should be taken from lower surface of leaves to visualize stomata under a light microscope.

12.

For showing stomata a leaf peel is obtained from ______a) Upper surfaceb) Lower surfacec)Any surfaced)Whole leaf

Answer»

Answer:

For showing stomata a LEAF peel is obtained from lower surface.

Option B

Explanation:

Stomata are the minute pores that are present on the surface of leaves that help in the passage of gaseous exchange and exchange of water vapour during photosynthesis and transpiration.

Stomata is mainly present on the under surface of the leaves. This is because the stomata is a pore, which if BLOCKED by the dusts and other particles falling on the leaf can HINDER the gaseous exchange. Also the direct sunlight falling on the upper surface of the leaves will increase the transpiration rate to a huge extent. Thirdly, most of the plants have thick layer of CUTICLE on their upper surface of leaf. So the peel should be taken from lower surface of leaves to visualize stomata under a light microscope.

Discussion

13.	2. Biogas contains 70 % methane. The calorific value of methane is55 kj/gram if a family requires 10000kj of energy per day, howmuch biogas is needed per day?If the hainht of falling water is increased more elartit power
Answer» Explanation: Methane content in the biogas is generally around 50-65%. Gas mixing don't seem a PLAUSIBLE REASON for methane content above 70%. Any THOUGHT on the correlation between methane content with respect to the conversion of acetate to hydrogen and CARBON dioxide. Higher availability of hydrogen results in its utilization in methane formation by the bacteria. please mark it as the brainliest if it HELPED u ☺️

13.

2. Biogas contains 70 % methane. The calorific value of methane is55 kj/gram if a family requires 10000kj of energy per day, howmuch biogas is needed per day?If the hainht of falling water is increased more elartit power

Answer»

Explanation:

Methane content in the biogas is generally around 50-65%. Gas mixing don't seem a PLAUSIBLE REASON for methane content above 70%. Any THOUGHT on the correlation between methane content with respect to the conversion of acetate to hydrogen and CARBON dioxide. Higher availability of hydrogen results in its utilization in methane formation by the bacteria.

please mark it as the brainliest if it HELPED u ☺️

Discussion

14.	1.which one of the following is a vitamin deficiency disease.
Answer» ANSWER: DEFICIENCY of VITAMIN A causes Night Blindness.

14.

1.which one of the following is a vitamin deficiency disease.

Answer»

ANSWER:

DEFICIENCY of VITAMIN A causes Night Blindness.

Discussion

15.	Hey mates........what is the work of "chalaza" in flower???
Answer» Explanation: In plants. In plant ovules, the chalaza is located OPPOSITE the micropyle OPENING of the integuments. It is the tissue where the integuments and nucellus are JOINED. Nutrients from the plant travel through vascular tissue in the FUNICULUS and outer integument through the chalaza into the nucellus

15.

Hey mates........what is the work of "chalaza" in flower???

Answer»

Explanation:

In plants. In plant ovules, the chalaza is located OPPOSITE the micropyle OPENING of the integuments. It is the tissue where the integuments and nucellus are JOINED. Nutrients from the plant travel through vascular tissue in the FUNICULUS and outer integument through the chalaza into the nucellus

Discussion

16.	What happens in photosynthesis ?
Answer» Answer: photosynthesis is a process in which plants prepare their own food with the help of SUNLIGHT CHLOROPHYLL and CO2 and other RAW materials

16.

What happens in photosynthesis ?

Answer»

Answer:

photosynthesis is a process in which plants prepare their own food with the help of SUNLIGHT CHLOROPHYLL and CO2 and other RAW materials

Discussion

17.	What is Schwann cell?
Answer» Answer: its the covering of AXON in nerves which help in MYELIN FORMATION .

17.

What is Schwann cell?

Answer»

Answer:

its the covering of AXON in nerves which help in MYELIN FORMATION .

Discussion

18.	Examination of the essentiality of light in the process of photosynthesis
Answer» ANSWER: in the plant there are GLUCOSE MOLECULES breaks down in PRESENCE of sunlight

18.

Examination of the essentiality of light in the process of photosynthesis

Answer»

ANSWER:

in the plant there are GLUCOSE MOLECULES breaks down in PRESENCE of sunlight

Discussion

19.	Vegetative reproduction is most favourable with which part of plant
Answer» TIP of root or shoot... EXPLANATION: it has meristematic tissues and are virus free.. MARK As BRAINLIEsT

19.

Vegetative reproduction is most favourable with which part of plant

Answer»

TIP of root or shoot...

EXPLANATION:

it has meristematic tissues and are virus free..

MARK As BRAINLIEsT

Discussion

20.	What are the uses of salivary amylase
Answer» Answer: Salivary amylase breaks down carbohydrates into smaller MOLECULES, like sugars. Breaking down the large macromolecules into simpler components helps the body to DIGEST STARCHY foods, like potatoes, rice, or pasta. During this process, larger carbohydrates, called AMYLOPECTIN and amylose, are BROKEN down into maltose Explanation: Salivary amylase breaks down carbohydrates into smaller molecules, like sugars. Breaking down the large macromolecules into simpler components helps the body to digest starchy foods, like potatoes, rice, or pasta. During this process, larger carbohydrates, called amylopectin and amylose, are broken Salivary amylase breaks down carbohydrates into smaller molecules, like sugars. Breaking down the large macromolecules into simpler components helps the body to digest starchy foods, like potatoes, rice, or pasta. During this process, larger carbohydrates, called amylopectin and amylose, are brSalivary amylase breaks down carbohydrates into smaller molecules, like sugars. Breaking down the large macromolecules into simpler components helps the body to digest starchy foods, like potatoes, rice, or pasta. During this process, larger carbohydrates, called amylopectin and amylose, are broken down into maltoseoken down into maltosedown into maltose

20.

What are the uses of salivary amylase

Answer»

Answer:

Salivary amylase breaks down carbohydrates into smaller MOLECULES, like sugars. Breaking down the large macromolecules into simpler components helps the body to DIGEST STARCHY foods, like potatoes, rice, or pasta. During this process, larger carbohydrates, called AMYLOPECTIN and amylose, are BROKEN down into maltose

Explanation:

Salivary amylase breaks down carbohydrates into smaller molecules, like sugars. Breaking down the large macromolecules into simpler components helps the body to digest starchy foods, like potatoes, rice, or pasta. During this process, larger carbohydrates, called amylopectin and amylose, are broken Salivary amylase breaks down carbohydrates into smaller molecules, like sugars. Breaking down the large macromolecules into simpler components helps the body to digest starchy foods, like potatoes, rice, or pasta. During this process, larger carbohydrates, called amylopectin and amylose, are brSalivary amylase breaks down carbohydrates into smaller molecules, like sugars. Breaking down the large macromolecules into simpler components helps the body to digest starchy foods, like potatoes, rice, or pasta. During this process, larger carbohydrates, called amylopectin and amylose, are broken down into maltoseoken down into maltosedown into maltose

Discussion

21.	शुक्राणु के एक्रोसोम में पाया जाता है
Answer» *hello* *mate* *your* *answer* is *here*... Acrosome. The acrosome is an organelle that develops over the anterior half of the head in the SPERMATOZOA (SPERM cells) of MANY animals including humans. It is a cap-like structure DERIVED from the Golgi apparatus. In Eutherian mammals the acrosome contains digestive enzymes (including hyaluronidase and acrosin).

21.

शुक्राणु के एक्रोसोम में पाया जाता है

Answer»

hello mate your answer is here...

Acrosome. The acrosome is an organelle that develops over the anterior half of the head in the SPERMATOZOA (SPERM cells) of MANY animals including humans. It is a cap-like structure DERIVED from the Golgi apparatus. In Eutherian mammals the acrosome contains digestive enzymes (including hyaluronidase and acrosin).

Discussion

22.	Q. Every one of us can do something to reduce our consumption of various natural resources. List four such activities based on the 3-R approach..............?
Answer» $\huge \red {\underline {HAYE\:MATE}}$ $\huge \red {\mathbb {ANSWER}}$ (a) Use of materials such as paper should be preferred as they can be reused and recycled. (B) Materials like GLASS and some plastics can be recycled on heating and get easily converted into different PRODUCTS like toys, containers which can be reused again. (c) e-wastes such as unused computers, mobiles ETC. can be repaired and used again. (d) Household wastes such as vegetable wastes etc. can be used as manure for plants. $\huge \blue {\mathbb {THANKS}}$ $\huge \green {FOllOW\:ME}$ $\huge \purple {\mathbb {SINGLE\:STAR}}$

22.

Q. Every one of us can do something to reduce our consumption of various natural resources. List four such activities based on the 3-R approach..............?

Answer»

$\huge \red {\underline {HAYE\:MATE}}$

$\huge \red {\mathbb {ANSWER}}$

(a) Use of materials such as paper should be preferred as they can be reused and recycled.

(B) Materials like GLASS and some plastics can be recycled on heating and get easily converted into different PRODUCTS like toys, containers which can be reused again.

(c) e-wastes such as unused computers, mobiles ETC. can be repaired and used again.

(d) Household wastes such as vegetable wastes etc. can be used as manure for plants.

$\huge \blue {\mathbb {THANKS}}$

$\huge \green {FOllOW\:ME}$

$\huge \purple {\mathbb {SINGLE\:STAR}}$

Discussion

23.	Q. Every one of us can do something to reduce our consumption of various natural resources. List four such activities based on the 3-R approach............?
Answer» $\huge \red {\underline {HAYE\:MATE}}$ $\huge \red {\mathbb {ANSWER}}$ (a) USE of materials such as paper should be PREFERRED as they can be reused and recycled. (b) Materials LIKE GLASS and some plastics can be recycled on heating and get easily converted into different products like toys, containers which can be reused again. (c) e-wastes such as unused computers, mobiles etc. can be repaired and USED again. (d) Household wastes such as vegetable wastes etc. can be used as manure for plants. $\huge \blue {\mathbb {THANKS}}$ $\huge \green {FOllOW\:ME}$ $\huge \purple {\mathbb {SINGLE\:STAR}}$

23.

Q. Every one of us can do something to reduce our consumption of various natural resources. List four such activities based on the 3-R approach............?

Answer»

$\huge \red {\underline {HAYE\:MATE}}$

$\huge \red {\mathbb {ANSWER}}$

(a) USE of materials such as paper should be PREFERRED as they can be reused and recycled.

(b) Materials LIKE GLASS and some plastics can be recycled on heating and get easily converted into different products like toys, containers which can be reused again.

(c) e-wastes such as unused computers, mobiles etc. can be repaired and USED again.

(d) Household wastes such as vegetable wastes etc. can be used as manure for plants.

$\huge \blue {\mathbb {THANKS}}$

$\huge \green {FOllOW\:ME}$

$\huge \purple {\mathbb {SINGLE\:STAR}}$

Discussion

24.	What is sensory Neurone??
Answer» Sensory neurons are nerve CELLS WITHIN the nervous SYSTEM responsible for converting external stimuli from the organism's environment into internal electrical impulses. For example, some sensory neurons respond to tactile stimuli and can activate motor neurons in order to achieve muscle contraction. mark me brainlist♥

24.

What is sensory Neurone??

Answer»

Sensory neurons are nerve CELLS WITHIN the nervous SYSTEM responsible for converting external stimuli from the organism's environment into internal electrical impulses. For example, some sensory neurons respond to tactile stimuli and can activate motor neurons in order to achieve muscle contraction.

mark me brainlist♥

Discussion

25.	Q. Every one of us can do something to reduce our consumption of various natural resources. List four such activities based on the 3-R approach..........?
Answer» Explanation: $\huge \red {\underline {HAYE\:MATE}}$ $\huge \red {\mathbb {ANSWER}}$ (a) Use of materials such as PAPER should be preferred as they can be reused and recycled. (b) Materials like GLASS and some plastics can be recycled on heating and get easily converted into DIFFERENT products like toys, CONTAINERS which can be reused again. (c) e-wastes such as unused computers, MOBILES etc. can be repaired and used again. (d) Household wastes such as vegetable wastes etc. can be used as manure for plants. $\huge \blue {\mathbb {THANKS}}$ $\huge \green {FOllOW\:ME}$ $\huge \purple {\mathbb {SINGLE\:STAR}}$

25.

Q. Every one of us can do something to reduce our consumption of various natural resources. List four such activities based on the 3-R approach..........?

Answer»

Explanation:

$\huge \red {\underline {HAYE\:MATE}}$

$\huge \red {\mathbb {ANSWER}}$

(a) Use of materials such as PAPER should be preferred as they can be reused and recycled.

(b) Materials like GLASS and some plastics can be recycled on heating and get easily converted into DIFFERENT products like toys, CONTAINERS which can be reused again.

(c) e-wastes such as unused computers, MOBILES etc. can be repaired and used again.

(d) Household wastes such as vegetable wastes etc. can be used as manure for plants.

$\huge \blue {\mathbb {THANKS}}$

$\huge \green {FOllOW\:ME}$

$\huge \purple {\mathbb {SINGLE\:STAR}}$

Discussion

26.	Q. Every one of us can do something to reduce our consumption of various natural resources. List four such activities based on the 3-R approach........?
Answer» $\huge \red {\underline {HAYE\:MATE}}$ $\huge \red {\mathbb {ANSWER}}$ (a) Use of materials such as paper should be preferred as they can be reused and recycled. (b) Materials like glass and some plastics can be recycled on heating and get easily converted into different PRODUCTS like toys, CONTAINERS which can be reused again. (c) e-wastes such as unused computers, mobiles ETC. can be REPAIRED and used again. (d) Household wastes such as vegetable wastes etc. can be used as manure for plants. $\huge \blue {\mathbb {THANKS}}$ $\huge \green {FOllOW\:ME}$ $\huge \purple {\mathbb {SINGLE\:STAR}}$

26.

Q. Every one of us can do something to reduce our consumption of various natural resources. List four such activities based on the 3-R approach........?

Answer»

$\huge \red {\underline {HAYE\:MATE}}$

$\huge \red {\mathbb {ANSWER}}$

(a) Use of materials such as paper should be preferred as they can be reused and recycled.

(b) Materials like glass and some plastics can be recycled on heating and get easily converted into different PRODUCTS like toys, CONTAINERS which can be reused again.

(c) e-wastes such as unused computers, mobiles ETC. can be REPAIRED and used again.

(d) Household wastes such as vegetable wastes etc. can be used as manure for plants.

$\huge \blue {\mathbb {THANKS}}$

$\huge \green {FOllOW\:ME}$

$\huge \purple {\mathbb {SINGLE\:STAR}}$

Discussion

27.	Q. Every one of us can do something to reduce our consumption of various natural resources. List four such activities based on the 3-R approach...?
Answer» $\huge \red {\underline {HAYE\:MATE}}$ $\huge \red {\mathbb {ANSWER}}$ (a) Use of materials such as PAPER should be preferred as they can be reused and recycled. (b) Materials like glass and some plastics can be recycled on heating and get EASILY converted into different products like toys, containers which can be reused again. (c) e-wastes such as unused COMPUTERS, mobiles etc. can be repaired and used again. (d) HOUSEHOLD wastes such as vegetable wastes etc. can be used as manure for plants. $\huge \blue {\mathbb {THANKS}}$ $\huge \green {FOllOW\:ME}$ $\huge \purple {\mathbb {SINGLE\:STAR}}$

27.

Q. Every one of us can do something to reduce our consumption of various natural resources. List four such activities based on the 3-R approach...?

Answer»

$\huge \red {\underline {HAYE\:MATE}}$

$\huge \red {\mathbb {ANSWER}}$

(a) Use of materials such as PAPER should be preferred as they can be reused and recycled.

(b) Materials like glass and some plastics can be recycled on heating and get EASILY converted into different products like toys, containers which can be reused again.

(c) e-wastes such as unused COMPUTERS, mobiles etc. can be repaired and used again.

(d) HOUSEHOLD wastes such as vegetable wastes etc. can be used as manure for plants.

$\huge \blue {\mathbb {THANKS}}$

$\huge \green {FOllOW\:ME}$

$\huge \purple {\mathbb {SINGLE\:STAR}}$

Discussion

28.	25. Which one of the following criteria is/are essential and form the basis of classical taxonomic studies?(1) Ecological information of organisms(2) Development process(3) External and internal structure(4) External structureplss do answer faster its important
Answer» EXTERNAL and INTERNAL STRUCTURE of organism. Thank you

28.

25. Which one of the following criteria is/are essential and form the basis of classical taxonomic studies?(1) Ecological information of organisms(2) Development process(3) External and internal structure(4) External structureplss do answer faster its important

Answer»

EXTERNAL and INTERNAL STRUCTURE of organism.

Thank you

Discussion

29.	Identify the plant tissue and mention it’s location Name the part labelled as A. What function does it perform?
Answer» ANSWER: where is the DIAGRAM DEAR MATE .......

29.

Identify the plant tissue and mention it’s location Name the part labelled as A. What function does it perform?

Answer»

ANSWER:

where is the DIAGRAM DEAR MATE .......

Discussion

30.	What's is rasidual Air ?
Answer» Answer: Residual air (Physiol) that PORTION of air CONTAINED in the LUNGS which can not be expelled even by the most violent expiratory effort. It AMOUNTS to from 75 to 100 cubic inches. Cf. Supplemental air, under Supplemental. hope it helps ⬆️⬆️☺✌

30.

What's is rasidual Air ?

Answer»

Answer:

Residual air (Physiol) that PORTION of air CONTAINED in the LUNGS which can not be expelled even by the most violent expiratory effort. It AMOUNTS to from 75 to 100 cubic inches. Cf. Supplemental air, under Supplemental.

hope it helps ⬆️⬆️☺✌

Discussion

31.	Q. Every one of us can do something to reduce our consumption of various natural resources. List four such activities based on the 3-R approach.
Answer» $\huge \red {\underline {HAYE\:MATE}}$ $\huge \red {\mathbb {ANSWER}}$ (a) Use of materials such as paper should be preferred as they can be reused and RECYCLED. (b) Materials like GLASS and some plastics can be recycled on heating and get EASILY converted into different PRODUCTS like toys, containers which can be reused again. (c) e-WASTES such as unused computers, mobiles etc. can be repaired and used again. (d) Household wastes such as vegetable wastes etc. can be used as manure for plants. $\huge \blue {\mathbb {THANKS}}$ $\huge \green {FOllOW\:ME}$ $\huge \purple {\mathbb {SINGLE\:STAR}}$

31.

Q. Every one of us can do something to reduce our consumption of various natural resources. List four such activities based on the 3-R approach.

Answer»

$\huge \red {\underline {HAYE\:MATE}}$

$\huge \red {\mathbb {ANSWER}}$

(a) Use of materials such as paper should be preferred as they can be reused and RECYCLED.

(b) Materials like GLASS and some plastics can be recycled on heating and get EASILY converted into different PRODUCTS like toys, containers which can be reused again.

(c) e-WASTES such as unused computers, mobiles etc. can be repaired and used again.

(d) Household wastes such as vegetable wastes etc. can be used as manure for plants.

$\huge \blue {\mathbb {THANKS}}$

$\huge \green {FOllOW\:ME}$

$\huge \purple {\mathbb {SINGLE\:STAR}}$

Discussion

32.	6. Answer the following.a. Write the factors affectingenvironment.b. Why does the human beings haveimportant place in environment?c. Write the types and examples ofbiodiversityd. how the biodiversity can be conserved?e. what do you learn from the story of jadav molai petangf. write the name of biodiversity hot spotsg. which are the reasons for endangering the many spices of plants and animals?how can we save those
Answer» Answer: Write the factors affecting ENVIRONMENT There are are many factors that affect the environment. ... Greenhouse Effect: Greenhouse gases like CO2, trap the heat from the sun increases the temperature. Trees: Trees absorb large amounts of CO2 and RELEASE oxygen, global deforestation can upset the balance. Population: Overpopulation affects the environment a)AS A RESOURCE;HUMANS ARE HUMAN RESOURCES AND DEVELOPERS OF TECHNOLOGY AND NEW WAYS OF GROWING PLANTS THAT MAKE UP THE ENVIRONMENT. b)THEY HELP PLANTS IN MAKING FOOD BY GIVING THEM CO2 OR LETS SAY CARBON DIOXIDE. 3)THEY MAKE UP THEIR OWN ENVIRONMENT WITH COMMUNITIES CALLED HUMAN ENVIRONMENT c)Biodiversity INCLUDES three main types: diversity within species (genetic diversity), between species (species diversity) and between ecosystems (ecosystem diversity). d)Biodiversity can be conserved by preserving the natural environment and preserving nature. The natural habitat of the plants, animals and humans should be maintained for stability in the environment. Sustainable products should be purchased and used so that the environment remains eco-friendly. e)He is known as "The Forest MAN of India". We learn from him that is man's responsibility to plant and allow the environment to grow. His story teaches us that even an individual's effort can bring a change in the world but one needs to have that kind of determination. f)These are California , madrean , atlantic forest , cerrado, tumbes-choco -Magdalena, tropical islands,Mediterranean basin, cape floristic region, etc..... g)reforestation,rehabilitation of degraded lands,sustainable harvesting of timber and other natural products,pollution reduction and prevention,waste reduction and management, anddevelopment of innovative strategies to conserve endangered species.

32.

6. Answer the following.a. Write the factors affectingenvironment.b. Why does the human beings haveimportant place in environment?c. Write the types and examples ofbiodiversityd. how the biodiversity can be conserved?e. what do you learn from the story of jadav molai petangf. write the name of biodiversity hot spotsg. which are the reasons for endangering the many spices of plants and animals?how can we save those

Answer»

Answer:

Write the factors affecting ENVIRONMENT

There are are many factors that affect the environment. ...

Greenhouse Effect: Greenhouse gases like CO2, trap the heat from the sun increases the temperature.

Trees: Trees absorb large amounts of CO2 and RELEASE oxygen, global deforestation can upset the balance.

Population: Overpopulation affects the environment

a)AS A RESOURCE;HUMANS ARE HUMAN RESOURCES AND DEVELOPERS OF TECHNOLOGY AND NEW WAYS OF GROWING PLANTS THAT MAKE UP THE ENVIRONMENT. b)THEY HELP PLANTS IN MAKING FOOD BY GIVING THEM CO2 OR LETS SAY CARBON DIOXIDE. 3)THEY MAKE UP THEIR OWN ENVIRONMENT WITH COMMUNITIES CALLED HUMAN ENVIRONMENT

c)Biodiversity INCLUDES three main types: diversity within species (genetic diversity), between species (species diversity) and between ecosystems (ecosystem diversity).

d)Biodiversity can be conserved by preserving the natural environment and preserving nature. The natural habitat of the plants, animals and humans should be maintained for stability in the environment. Sustainable products should be purchased and used so that the environment remains eco-friendly.

e)He is known as "The Forest MAN of India". We learn from him that is man's responsibility to plant and allow the environment to grow. His story teaches us that even an individual's effort can bring a change in the world but one needs to have that kind of determination.

f)These are California , madrean , atlantic forest , cerrado, tumbes-choco -Magdalena, tropical islands,Mediterranean basin, cape floristic region, etc.....

g)reforestation,rehabilitation of degraded lands,sustainable harvesting of timber and other natural products,pollution reduction and prevention,waste reduction and management, anddevelopment of innovative strategies to conserve endangered species.

Discussion

33.	Name a two insctiverous plant
Answer» ANSWER: TWO INSECTIVOROUS PLANTS ARE :- 1) Pitcher Plant 2) Venus FLY Trap HOPE THIS HELPS YOU ⬆️⬆️

33.

Name a two insctiverous plant

Answer»

ANSWER:

TWO INSECTIVOROUS PLANTS ARE :-

1) Pitcher Plant

2) Venus FLY Trap

HOPE THIS HELPS YOU ⬆️⬆️

Discussion

34.	Petiolate leaves examples
Answer» that is PLATELETS notpetiolate platelets are PRESENT in BLOOD not LEAVES

Discussion

35.	Define briefly structure of voluntary muscle
Answer» Hi *buddy* *Here is* *your ANSWER* ☑️ Skeletal muscle is a voluntary muscle, which MEANS that we can actively control its function. It's attached to the bone and forms a distinct ORGAN of muscle tissue, BLOOD vessels, tendons, and nerves that covers our bones and allows movement.☑️ *Hope it* *help you* *Please mark* *me please* *#SIBI* ❤️

35.

Define briefly structure of voluntary muscle

Answer»

Hi buddy

Here is your ANSWER

☑️ Skeletal muscle is a voluntary muscle, which MEANS that we can actively control its function. It's attached to the bone and forms a distinct ORGAN of muscle tissue, BLOOD vessels, tendons, and nerves that covers our bones and allows movement.☑️

Hope it help you

Please mark me please

#SIBI ❤️

Discussion

36.	Identify the right pair among the following:(A)Wing of a bird and forelimb of a horse - Homologous organs(B)Wing of a bat and forelimb of a squirrel - Analogous organs(C)Wing of a bird and wing of a butterfly - Homologous organs(D)Fin of a fish and wing of a bird - Analogous organs.
Answer» Answer: OPTION c is CORRECT ANS . MARK it as brainliest.

36.

Identify the right pair among the following:(A)Wing of a bird and forelimb of a horse - Homologous organs(B)Wing of a bat and forelimb of a squirrel - Analogous organs(C)Wing of a bird and wing of a butterfly - Homologous organs(D)Fin of a fish and wing of a bird - Analogous organs.

Answer»

Answer:

OPTION c is CORRECT ANS .

MARK it as brainliest.

Discussion

37.	Calculate the percentage increase in the rate of photosynthesis at a light intensity of1250 arbitrary units when the carbon dioxide concentration was increased from 140 ppmto 1000 ppm.Show your working and give your answer to the nearest whole number.please explain with steps
Answer» Answer: Rising carbon dioxide concentrations are already causing the planet to HEAT up. ... Greenhouse WARMING doesn't HAPPEN right AWAY because the ocean soaks up heat. This MEANS that Earth's temperature will increase at least another 0.6 degrees Celsius (1 degree Fahrenheit) because of carbon dioxide already in the atmosphere.

37.

Calculate the percentage increase in the rate of photosynthesis at a light intensity of1250 arbitrary units when the carbon dioxide concentration was increased from 140 ppmto 1000 ppm.Show your working and give your answer to the nearest whole number.please explain with steps

Answer»

Answer:

Rising carbon dioxide concentrations are already causing the planet to HEAT up. ... Greenhouse WARMING doesn't HAPPEN right AWAY because the ocean soaks up heat. This MEANS that Earth's temperature will increase at least another 0.6 degrees Celsius (1 degree Fahrenheit) because of carbon dioxide already in the atmosphere.

Discussion

38.	The machine which converts the potential energy of wind to electrical energy is called wind turbine. True and false
Answer» ANSWER: TRUE . the above STATEMENT is true

38.

The machine which converts the potential energy of wind to electrical energy is called wind turbine. True and false

Answer»

ANSWER:

TRUE .

the above STATEMENT is true

Discussion

39.	Main things found in nature
Answer» Answer: sun moon trees natural SURROUNDINGS like MOUNTAINS Explanation: Some examples of natural things are mountains, water bodies, FRUITS and vegetables, plants, animals and EVEN human bodies. The basic understanding of natural things is things that exist or occur in nature and have not been made or are not caused by people. These are thing that are produced by nature. MARK ME BRAINLIEST!!!

39.

Main things found in nature

Answer»

Answer:

sun
moon
trees
natural SURROUNDINGS like MOUNTAINS

Explanation:

Some examples of natural things are mountains, water bodies, FRUITS and vegetables, plants, animals and EVEN human bodies. The basic understanding of natural things is things that exist or occur in nature and have not been made or are not caused by people. These are thing that are produced by nature.

MARK ME BRAINLIEST!!!

Discussion

40.	What is life process?
Answer» Explanation: Life PROCESSES are the basic functions performed by living organisms to survive on earth. It has to be performed UNINTERRUPTEDLY in both active and INACTIVE stage of organism. Some of the life processes are NUTRITION, respiration, transportation, excretion, control and coordination, growth etc. please MARK as brainliast

40.

What is life process?

Answer»

Explanation:

Life PROCESSES are the basic functions performed by living organisms to survive on earth. It has to be performed UNINTERRUPTEDLY in both active and INACTIVE stage of organism. Some of the life processes are NUTRITION, respiration, transportation, excretion, control and coordination, growth etc.

please MARK as brainliast

Discussion

41.	Explain it experiment used to demonstrate that the tip of the coleoptile is the source of auxin
Answer» Answer: In 1881, Charles Darwin and Francis Darwin performed experiments on coleoptiles of CANARY grass and observed that they bend towards the light when exposed to light from a unidirectional source. They concluded that the tip of the coleoptile was responsible for sensing light, and proposed that a messenger is transmitted in a downward direction from the tip of the coleoptile, causing it to bend. In 1913, Peter Boysen-Jensen concluded that the substance secreted at the tip is soluble in water (gelatin). In 1926, F.W. Went published a report DESCRIBING how he isolated a plant growth substance by placing agar blocks under coleoptile TIPS for a period of time then removing them and placing them on decapitated Avena stems. After placement of the agar, the stems resumed growth. In 1928, Went developed a method of quantifying this plant growth substance. His experiment showed that a chemical messenger diffuses from coleoptile tips and causes it to grow towards the light. He later proposed that the messenger substance is a growth-promoting hormone, which he named auxin. The Avena Coleoptile test is the most widely accepted BIOASSAY for quantitative estimation of auxin concentration. hope it helps you ⬆️⬆️✌☺

41.

Explain it experiment used to demonstrate that the tip of the coleoptile is the source of auxin

Answer»

Answer:

In 1881, Charles Darwin and Francis Darwin performed experiments on coleoptiles of CANARY grass and observed that they bend towards the light when exposed to light from a unidirectional source. They concluded that the tip of the coleoptile was responsible for sensing light, and proposed that a messenger is transmitted in a downward direction from the tip of the coleoptile, causing it to bend.

In 1913, Peter Boysen-Jensen concluded that the substance secreted at the tip is soluble in water (gelatin).

In 1926, F.W. Went published a report DESCRIBING how he isolated a plant growth substance by placing agar blocks under coleoptile TIPS for a period of time then removing them and placing them on decapitated Avena stems. After placement of the agar, the stems resumed growth. In 1928, Went developed a method of quantifying this plant growth substance. His experiment showed that a chemical messenger diffuses from coleoptile tips and causes it to grow towards the light. He later proposed that the messenger substance is a growth-promoting hormone, which he named auxin. The Avena Coleoptile test is the most widely accepted BIOASSAY for quantitative estimation of auxin concentration.

hope it helps you ⬆️⬆️✌☺

Discussion

42.	WHAT ARE FUNCTIONS OF MALE REPRODUCTIVE ORGAN
Answer» Answer: The organs of the male reproductive SYSTEM are SPECIALIZED for three primary functions: To PRODUCE, MAINTAIN, transport, and nourish sperm (the male reproductive cells), and protective fluid ( semen ). To discharge sperm within the female reproductive tract. To produce and secrete male sex hormones. hope it helps you Explanation: plz MARK my answer as BRAINLLIEST answer that I can help you more........

42.

WHAT ARE FUNCTIONS OF MALE REPRODUCTIVE ORGAN

Answer»

Answer:

The organs of the male reproductive SYSTEM are SPECIALIZED for three primary functions: To PRODUCE, MAINTAIN, transport, and nourish sperm (the male reproductive cells), and protective fluid ( semen ). To discharge sperm within the female reproductive tract. To produce and secrete male sex hormones.

hope it helps you

Explanation:

plz MARK my answer as BRAINLLIEST answer that I can help you more........

Discussion

43.	Keel bone and additional air sacs are found in
Answer» Answer: Air SACS Also called Alveolies are FOUND in lungs. And In parrot the keel BONE is found. hope it HELPS.....

43.

Keel bone and additional air sacs are found in

Answer»

Answer:

Air SACS Also called Alveolies are FOUND in lungs.

And In parrot the keel BONE is found.

hope it HELPS.....

Discussion

44.	WHAT IS HIV AIDS ? HOW PEOPLE GET INFECTED?
Answer» HIV+ or AIDS is a disease of the blood.. It is transmitted through UNSAFE sexual contact, through a MOTHER's MILK to a baby, or any other type of ACT which includes blood transmission..

44.

WHAT IS HIV AIDS ? HOW PEOPLE GET INFECTED?

Answer»

HIV+ or AIDS is a disease of the blood..

It is transmitted through UNSAFE sexual contact, through a MOTHER's MILK to a baby, or any other type of ACT which includes blood transmission..

Discussion

45.	Two dice are thrown simultaneously. What is the probability that the sum of the two numbers come up is a prime number
Answer» Two DICE are thrown simultaneously. So, TOTAL number of OUTCOMES = 6×6 = 36 (1,1) (1,2) (1,3) (1,4) (1,5) (1,6) (2,1) (2,2) (2,3) (2,4) (2,5) (2,6) (3,1) (3,2) (3,3) (3,4) (3,5) (3,6) (4,1) (4,2) (4,3) (4,4) (4,5) (4,6) (5,1) (5,2) (5,3) (5,4) (5,5) (5,6) (6,1) (6,2) (6,3) (6,4) (6,5) (6,6) We have to find the probability that the sum of the two numbers come up is a PRIME number. Now, what is a prime number? → Which is greater than 1 and factors are 1 & itself. Example: 2, 3, 5, 7, 11 & so on Now, the favourable outcomes are: 2: (1,1) 3: (1,2) (2,1) 5: (1,4) (4,1) (2,3) (3,2) 7: (5,2) (2,5) (1,6) (6,1) (3,4) (4,3) 11: (6,5) (5,6) Therefore, number of favourable outcomes = 15 We know that, Probability = Total number of outcomes/Number of favourable outcomes Substitute the values → 15/36 → 5/12 Therefore, the required probability is 5/12.

45.

Two dice are thrown simultaneously. What is the probability that the sum of the two numbers come up is a prime number

Answer»

Two DICE are thrown simultaneously.

So, TOTAL number of OUTCOMES = 6×6 = 36

(1,1) (1,2) (1,3) (1,4) (1,5) (1,6)

(2,1) (2,2) (2,3) (2,4) (2,5) (2,6)

(3,1) (3,2) (3,3) (3,4) (3,5) (3,6)

(4,1) (4,2) (4,3) (4,4) (4,5) (4,6)

(5,1) (5,2) (5,3) (5,4) (5,5) (5,6)

(6,1) (6,2) (6,3) (6,4) (6,5) (6,6)

We have to find the probability that the sum of the two numbers come up is a PRIME number.

Now, what is a prime number?

→ Which is greater than 1 and factors are 1 & itself.

Example: 2, 3, 5, 7, 11 & so on

Now, the favourable outcomes are:

2: (1,1)

3: (1,2) (2,1)

5: (1,4) (4,1) (2,3) (3,2)

7: (5,2) (2,5) (1,6) (6,1) (3,4) (4,3)

11: (6,5) (5,6)

Therefore, number of favourable outcomes = 15

We know that,

Probability = Total number of outcomes/Number of favourable outcomes

Substitute the values

→ 15/36

→ 5/12

Therefore, the required probability is 5/12.

Discussion

46.	Which is the strongest muscle of the human body
Answer» Answer: the strongest muscle in the HUMAN BODY is MASSETER muscle. which is also known as jaw muscle Explanation: HOPE it helps you

46.

Which is the strongest muscle of the human body

Answer»

Answer:

the strongest muscle in the HUMAN BODY is MASSETER muscle.

which is also known as jaw muscle

Explanation:

HOPE it helps you

Discussion

47.	Significant role of stomata in transportation is toa) Create upward pressureb) Absorb carbon di oxidec) Replace oxygend) Perform transpiration continuously
Answer» Answer: Create UPWARD PRESSURE Explanation: As it TRANSPIRES and PULLS the water CREATING an upward pressure

47.

Significant role of stomata in transportation is toa) Create upward pressureb) Absorb carbon di oxidec) Replace oxygend) Perform transpiration continuously

Answer»

Answer:

Create UPWARD PRESSURE

Explanation:

As it TRANSPIRES and PULLS the water CREATING an upward pressure

Discussion

48.	There are factors to take in account when searching for the right career (work place
Answer» HEY DUDE your answer is These are some career 1.Healthcare and medical careers. 2.Computing and information technology (IT) 3.Research and DEVELOPMENT jobs. 4.Freelance careers (become your own BOSS) Hope it's help ❤️ Mark as brainliest ❤️

48.

There are factors to take in account when searching for the right career (work place

Answer»

HEY DUDE your answer is

These are some career

1.Healthcare and medical careers.

2.Computing and information technology (IT)

3.Research and DEVELOPMENT jobs.

4.Freelance careers (become your own BOSS)

Hope it's help ❤️

Mark as brainliest ❤️

Discussion

49.	Water expands on reducing its temperature below _______°C.(A) 0 (B) 4 (C) 8 (D) 12Which answer is correct
Answer» ANSWER: option B Explanation: because it is anomalous PROPERTY of water

49.

Water expands on reducing its temperature below _______°C.(A) 0 (B) 4 (C) 8 (D) 12Which answer is correct

Answer»

ANSWER:

option B

Explanation:

because it is anomalous PROPERTY of water

Discussion

50.	Is it right Small pox is called "बड़ी माता" and chicken pox is called "चेचक या छोटी माता" in hindi?
Answer» Answer: yes small POX is known as badi mata and CHICKEN pox is known as chechak or choti mata in HINDI

50.

Is it right Small pox is called "बड़ी माता" and chicken pox is called "चेचक या छोटी माता" in hindi?

Answer»

Answer:

yes small POX is known as badi mata and CHICKEN pox is known as chechak or choti mata in HINDI

Discussion

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please mark it as the brainliest if it helped U ☺️

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please mark it as the brainliest if it HELPED u ☺️

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hello mate your answer is here...

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mark me brainlist♥

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hope it helps ⬆️⬆️☺✌

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please MARK as brainliast

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hope it helps you ⬆️⬆️✌☺

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