11712 + Interview Questions in Biology Page 101 InterviewSolution

5001.	(a) Trees absorb water from the soil. How does this water reach the tree tops? Explain in detail.(b) Describe the cuttings method for the artificial propagation of plants. Illustrate your answer with the help of labelled diagrams.
Answer» (a) Trees absorb water from the soil. How does this water reach the tree tops? Explain in detail. (b) Describe the cuttings method for the artificial propagation of plants. Illustrate your answer with the help of labelled diagrams.

Discussion

5002.	Amoeba does not require any respiratory pigment to transport oxygen. The possible reason could be :
Answer» Amoeba does not require any respiratory pigment to transport oxygen. The possible reason could be :

Discussion

5003.	Which plant hormone promotes cell division and cell differentiation along with auxin?
Answer» Which plant hormone promotes cell division and cell differentiation along with auxin?

Discussion

5004.	Match the following list of bioactive substances and their roles: Bio active SubstanceRole(i) Statin(a) Removal of oil stains(ii) Cyclosporin A(b) Removal of clots from blood vessels(iii) Streptokinase(c) Lowering of blood cholesterol(iv) Lipase(d) Immuno−suppressive agent
Answer» Match the following list of bioactive substances and their roles: $\begin{matrix} B i o a c t i v e S u b s t a n c e & R o l e (i) S t a t i n & (a) R e m o v a l o f o i l s t a i n s (i i) C y c l o s p o r i n A & (b) R e m o v a l o f c l o t s f r o m b l o o d v e s s e l s (i i i) S t r e p t o k i n a s e & (c) L o w e r i n g o f b l o o d c h o l e s t e r o l (i v) L i p a s e & (d) I m m u n o - s u p p r e s s i v e a g e n t \end{matrix}$

Discussion

5005.	'Foolish seedling' disease of rice led to the discovery of
Answer» 'Foolish seedling' disease of rice led to the discovery of

Discussion

5006.	Solution A contains 7g/L MgCl2 and solution B contains 7g/Lof NaCl . At room temparature the osmotic pressure of 1. solution A is greater than B2.Both have same osmotic pressure3.Solution Bis greater than A4.can't be determined
Answer» Solution A contains 7g/L MgCl2 and solution B contains 7g/Lof NaCl . At room temparature the osmotic pressure of 1. solution A is greater than B 2.Both have same osmotic pressure 3.Solution Bis greater than A 4.can't be determined

Discussion

5007.	What are the symptoms of sickle cell anaemia?
Answer» What are the symptoms of sickle cell anaemia?

Discussion

5008.	It was diagnosed that the body of a patient has lost its power of fighting any infection. Name the disease he is suffering from. What type of microbe is responsible for this disease and how does it spread from one person to the other.
Answer» It was diagnosed that the body of a patient has lost its power of fighting any infection. Name the disease he is suffering from. What type of microbe is responsible for this disease and how does it spread from one person to the other.

Discussion

5009.	Name the tissue in plants that is involved in the transportation of food. __
Answer» Name the tissue in plants that is involved in the transportation of food. __

Discussion

5010.	How many cranial and spinal nerves are present in human body which constitute peripheral nervous system ?
Answer» How many cranial and spinal nerves are present in human body which constitute peripheral nervous system ?

Discussion

5011.	What are the four tools used to study evolutionary relationships??
Answer» What are the four tools used to study evolutionary relationships??

Discussion

5012.	Match the following: 1.This part of the brain tells us (i)Cerebellumwhether we are hungry or full2.This part of the brain is responsible (ii)Medullafor precision of voluntary actions3.Involuntary actions like vomiting and salivation (iii)Fore−brainare controlled by this part of the brain
Answer» Match the following: $\begin{matrix} 1. T h i s p a r t o f t h e b r a i n t e l l s u s & (i) C e r e b e l l u m w h e t h e r w e a r e h u n g r y o r f u l l 2. T h i s p a r t o f t h e b r a i n i s r e s p o n s i b l e & (i i) M e d u l l a f o r p r e c i s i o n o f v o l u n t a r y a c t i o n s 3. I n v o l u n t a r y a c t i o n s l i k e v o m i t i n g a n d s a l i v a t i o n & (i i i) F o r e - b r a i n a r e c o n t r o l l e d b y t h i s p a r t o f t h e b r a i n \end{matrix}$

5012.

Match the following: 1.This part of the brain tells us (i)Cerebellumwhether we are hungry or full2.This part of the brain is responsible (ii)Medullafor precision of voluntary actions3.Involuntary actions like vomiting and salivation (iii)Fore−brainare controlled by this part of the brain

Answer»

Match the following:

$\begin{matrix} 1. T h i s p a r t o f t h e b r a i n t e l l s u s & (i) C e r e b e l l u m w h e t h e r w e a r e h u n g r y o r f u l l 2. T h i s p a r t o f t h e b r a i n i s r e s p o n s i b l e & (i i) M e d u l l a f o r p r e c i s i o n o f v o l u n t a r y a c t i o n s 3. I n v o l u n t a r y a c t i o n s l i k e v o m i t i n g a n d s a l i v a t i o n & (i i i) F o r e - b r a i n a r e c o n t r o l l e d b y t h i s p a r t o f t h e b r a i n \end{matrix}$

Discussion

5013.	Spraying plant surface with phenyl mercuric acetate and silicon emulsion will result in
Answer» Spraying plant surface with phenyl mercuric acetate and silicon emulsion will result in

Discussion

5014.	Which method of asexual reproduction is commonly seen in the rose plant
Answer» Which method of asexual reproduction is commonly seen in the rose plant

Discussion

5015.	What is Reflex Arc?
Answer» What is Reflex Arc?

Discussion

5016.	Give one example of plant part. A. Which is positively hydrotropic as well as geotropic.B. Which is positively phototropic but negatively geotropic.
Answer» Give one example of plant part. A. Which is positively hydrotropic as well as geotropic. B. Which is positively phototropic but negatively geotropic.

Discussion

5017.	rate of flow of liquid is laminar or streamline is determined by 1.rate of flow of liquid2.density of liquid3.radius of tube4.coefficient of viscosity
Answer» rate of flow of liquid is laminar or streamline is determined by 1.rate of flow of liquid 2.density of liquid 3.radius of tube 4.coefficient of viscosity

Discussion

5018.	How is water absorbed and transported to leaves during the night?
Answer» How is water absorbed and transported to leaves during the night?

Discussion

5019.	The nervous system controls body processes by sending messages from the brain through the nerves. How does the endocrine system control body processes?
Answer» The nervous system controls body processes by sending messages from the brain through the nerves. How does the endocrine system control body processes?

Discussion

5020.	meaning of The cerebral cortex
Answer» meaning of The cerebral cortex

Discussion

5021.	The green revolution is in the field
Answer» The green revolution is in the field

Discussion

5022.	Question 3 (b) Choose the correct option: (b) Water absorption through roots can be increased by keeping the plants (i) in the shade (ii) in dim light (iii) under the fan (iv) covered with a polythene bag
Answer» Question 3 (b) Choose the correct option: (b) Water absorption through roots can be increased by keeping the plants (i) in the shade (ii) in dim light (iii) under the fan (iv) covered with a polythene bag

Discussion

5023.	Two very small organisms X and Y both by the method of budding. Organism X is industrially very important because it is used in making alcohol from sugar. It is also used in making bread. Organism Y lives in freshwater. If organism Y gets cut into a number of parts accidentally, each cut part can grow to form a complete organism. (a) What are organisms X and Y ? (b) What is the name of the process by which X converts sugar into alcohol? (c) To which class of organisms does X belong ? (d) Name an important body feature of organism Y. (e) Which organism is multicellular and which one is unicellular?
Answer» Two very small organisms X and Y both by the method of budding. Organism X is industrially very important because it is used in making alcohol from sugar. It is also used in making bread. Organism Y lives in freshwater. If organism Y gets cut into a number of parts accidentally, each cut part can grow to form a complete organism. (a) What are organisms X and Y ? (b) What is the name of the process by which X converts sugar into alcohol? (c) To which class of organisms does X belong ? (d) Name an important body feature of organism Y. (e) Which organism is multicellular and which one is unicellular?

Discussion

5024.	Red-coloured beetles are living on green leaves of bushes. These beetles increase in numbers by sexual reproduction. Crows, being their predators, consume beetles and regulate their population. During reproduction, few beetles develop green colour instead of red colour. This variation in body colour gives green coloured beetles an advantage and over the years, the number of green beetles in the population will increase generation after generation. Which of the following statements are correct regarding the given paragraph: (i) The given paragraph depicts an example of "ontogeny recapitulates phylogeny". (ii) Artificial selection is exerted by crows. (iii) Natural selection is exerted by crows. (iv) More red-coloured beetles will be eaten up. (v) The given paragraph depicts an example of convergent evolution.
Answer» Red-coloured beetles are living on green leaves of bushes. These beetles increase in numbers by sexual reproduction. Crows, being their predators, consume beetles and regulate their population. During reproduction, few beetles develop green colour instead of red colour. This variation in body colour gives green coloured beetles an advantage and over the years, the number of green beetles in the population will increase generation after generation. Which of the following statements are correct regarding the given paragraph: (i) The given paragraph depicts an example of "ontogeny recapitulates phylogeny". (ii) Artificial selection is exerted by crows. (iii) Natural selection is exerted by crows. (iv) More red-coloured beetles will be eaten up. (v) The given paragraph depicts an example of convergent evolution.

Discussion

5025.	Which animal falls under the category of extinct species?
Answer» Which animal falls under the category of extinct species?

Discussion

5026.	Which of the following are the correct functions of two components of pancreatic juice trypsin and lipase? (a) trypsin digests proteins and lipase digests carbohydrates (b) trypsin digests emulsified fats and lipase digests proteins (c) trypsin digests starch and lipase digests fats (d) trypsin digests proteins and lipase digests emulsified fats
Answer» Which of the following are the correct functions of two components of pancreatic juice trypsin and lipase? (a) trypsin digests proteins and lipase digests carbohydrates (b) trypsin digests emulsified fats and lipase digests proteins (c) trypsin digests starch and lipase digests fats (d) trypsin digests proteins and lipase digests emulsified fats

Discussion

5027.	7. if a character is controlled by four alleles of a gene,the possible genotypes would be: a)10 b)15 c)20 d)21
Answer» 7. if a character is controlled by four alleles of a gene,the possible genotypes would be: a)10 b)15 c)20 d)21

Discussion

5028.	Match the terms of Column (A) with those of Column (B).
Answer» Match the terms of Column (A) with those of Column (B).

Discussion

5029.	The diagram given alongside represents a certain phenomenon which occurs during meiosis. Name and explain the phenomenon by using the terms - homologous chromosomes, chromatids, crossing-over. [3 MARKS]
Answer» The diagram given alongside represents a certain phenomenon which occurs during meiosis. Name and explain the phenomenon by using the terms - homologous chromosomes, chromatids, crossing-over. [3 MARKS]

Discussion

5030.	Give the values of DNA Content and chromosome number at Anaphase stage of Mitosis if cell at G1 phase has DNA Content C and chromosome number N.
Answer» Give the values of DNA Content and chromosome number at Anaphase stage of Mitosis if cell at G1 phase has DNA Content C and chromosome number N.

Discussion

5031.	Why does our stomach ache?
Answer» Why does our stomach ache?

Discussion

5032.	The given figure shows demonstration of osmosis. A thistle funnel is filled with sucrose solution and kept inverted in a beaker containing water. In case sucrose diffuses out through the membrane, will this equilibrium be ever reached?
Answer» The given figure shows demonstration of osmosis. A thistle funnel is filled with sucrose solution and kept inverted in a beaker containing water. In case sucrose diffuses out through the membrane, will this equilibrium be ever reached?

Discussion

5033.	The end products of respiration in plants are :
Answer» The end products of respiration in plants are :

Discussion

5034.	When a person eats sugary food, then organisms A present in his mouth act on sugar to produce a substance B. The substance B first dissolves the calcium salts from the top part C of the tooth and then (rum its middle part D forming holes E. These holes ultimately reach the part F in the lower part of tooth which contains: nerves and blood vessels. The substance B irritates the nerve endings inside the tooth causing toothache. (a) What are (i) organisms A, and (ii) substance B? (b) What are (i) part C, and (ii) part D, of tooth known as? (c) By what name are the holes E in the tooth known? (d) Name the part F of the tooth. (e) What will happen if organisms A reach part F of the tooth?
Answer» When a person eats sugary food, then organisms A present in his mouth act on sugar to produce a substance B. The substance B first dissolves the calcium salts from the top part C of the tooth and then (rum its middle part D forming holes E. These holes ultimately reach the part F in the lower part of tooth which contains: nerves and blood vessels. The substance B irritates the nerve endings inside the tooth causing toothache. (a) What are (i) organisms A, and (ii) substance B? (b) What are (i) part C, and (ii) part D, of tooth known as? (c) By what name are the holes E in the tooth known? (d) Name the part F of the tooth. (e) What will happen if organisms A reach part F of the tooth?

5034.

When a person eats sugary food, then organisms A present in his mouth act on sugar to produce a substance B. The substance B first dissolves the calcium salts from the top part C of the tooth and then (rum its middle part D forming holes E. These holes ultimately reach the part F in the lower part of tooth which contains: nerves and blood vessels. The substance B irritates the nerve endings inside the tooth causing toothache. (a) What are (i) organisms A, and (ii) substance B? (b) What are (i) part C, and (ii) part D, of tooth known as? (c) By what name are the holes E in the tooth known? (d) Name the part F of the tooth. (e) What will happen if organisms A reach part F of the tooth?

Answer»

When a person eats sugary food, then organisms A present in his mouth act on sugar to produce a substance B. The substance B first dissolves the calcium salts from the top part C of the tooth and then (rum its middle part D forming holes E. These holes ultimately reach the part F in the lower part of tooth which contains: nerves and blood vessels. The substance B irritates the nerve endings inside the tooth causing toothache.

(a) What are (i) organisms A, and (ii) substance B?
(b) What are (i) part C, and (ii) part D, of tooth known as?
(c) By what name are the holes E in the tooth known?
(d) Name the part F of the tooth.
(e) What will happen if organisms A reach part F of the tooth?

Discussion

5035.	Give an example of characteristics being used to determine how close two species are, in terms of evolution.
Answer» Give an example of characteristics being used to determine how close two species are, in terms of evolution.

Discussion

5036.	Why are fossil fuels considered Exhaustible natural resources?
Answer» Why are fossil fuels considered Exhaustible natural resources?

Discussion

5037.	What are the symptoms of kidney calculus and their diagnosis?
Answer» What are the symptoms of kidney calculus and their diagnosis?

Discussion

5038.	how parallel evolution is different from normal convergent evolution?
Answer» how parallel evolution is different from normal convergent evolution?

Discussion

5039.	How to determine the strength of lewis acids or bases?
Answer» How to determine the strength of lewis acids or bases?

Discussion

5040.	Excretion of bile pigments in urine indicates ___ .
Answer» Excretion of bile pigments in urine indicates ___ .

Discussion

5041.	Are we calling homologous and non homologous chromosomes as sister chromosomes and non sister chromosomes respectively ?
Answer» Are we calling homologous and non homologous chromosomes as sister chromosomes and non sister chromosomes respectively ?

Discussion

5042.	Consanguineous marriages (marriages between close relative/cousins) are not advisable because
Answer» Consanguineous marriages (marriages between close relative/cousins) are not advisable because

Discussion

5043.	The mitral valve is present between
Answer» The mitral valve is present between

Discussion

5044.	How to find conjugate acid and conjugate base??
Answer» How to find conjugate acid and conjugate base??

Discussion

5045.	Which blood group is known as universal donor and why?
Answer» Which blood group is known as universal donor and why?

Discussion

5046.	Identify the fluid part of the blood which transports food and waste materials.
Answer» Identify the fluid part of the blood which transports food and waste materials.

Discussion

5047.	In an experiment three glass bell jars were set-up as shown in the diagram. At the end of the experiment, which bell jar has the most oxygen and which has the least?
Answer» In an experiment three glass bell jars were set-up as shown in the diagram. At the end of the experiment, which bell jar has the most oxygen and which has the least?

5047.

In an experiment three glass bell jars were set-up as shown in the diagram. At the end of the experiment, which bell jar has the most oxygen and which has the least?

Answer»

In an experiment three glass bell jars were set-up as shown in the diagram.

At the end of the experiment, which bell jar has the most oxygen and which has the least?

Discussion

5048.	Which of the following is not a difference between Biopharmaceutical and Pharmaceutical
Answer» Which of the following is not a difference between Biopharmaceutical and Pharmaceutical

Discussion

5049.	Statement (i): To counter act the increase in turgor pressure in plant cells, the cell wall produces an equal and opposite i.e., wall pressure Statement (ii): When plant cells undergo endosmosis, they swell but do not burst
Answer» Statement (i): To counter act the increase in turgor pressure in plant cells, the cell wall produces an equal and opposite i.e., wall pressure Statement (ii): When plant cells undergo endosmosis, they swell but do not burst

Discussion

5050.	Which of the following plays a major role in trapping sunlight?
Answer» Which of the following plays a major role in trapping sunlight?

Discussion

Explore topic-wise InterviewSolutions in .

(a) Trees absorb water from the soil. How does this water reach the tree tops? Explain in detail.​(b) Describe the cuttings method for the artificial propagation of plants. Illustrate your answer with the help of labelled diagrams.

Amoeba does not require any respiratory pigment to transport oxygen. The possible reason could be :

Which plant hormone promotes cell division and cell differentiation along with auxin?

Match the following list of bioactive substances and their roles: Bio active SubstanceRole(i) Statin(a) Removal of oil stains(ii) Cyclosporin A(b) Removal of clots from blood vessels(iii) Streptokinase(c) Lowering of blood cholesterol(iv) Lipase(d) Immuno−suppressive agent

'Foolish seedling' disease of rice led to the discovery of

Solution A contains 7g/L MgCl2 and solution B contains 7g/Lof NaCl . At room temparature the osmotic pressure of 1. solution A is greater than B2.Both have same osmotic pressure3.Solution Bis greater than A4.can't be determined

What are the symptoms of sickle cell anaemia?

It was diagnosed that the body of a patient has lost its power of fighting any infection. Name the disease he is suffering from. What type of microbe is responsible for this disease and how does it spread from one person to the other.

Name the tissue in plants that is involved in the transportation of food. __

How many cranial and spinal nerves are present in human body which constitute peripheral nervous system ?

What are the four tools used to study evolutionary relationships??

Match the following: 1.This part of the brain tells us (i)Cerebellumwhether we are hungry or full2.This part of the brain is responsible (ii)Medullafor precision of voluntary actions3.Involuntary actions like vomiting and salivation (iii)Fore−brainare controlled by this part of the brain​

Spraying plant surface with phenyl mercuric acetate and silicon emulsion will result in

Which method of asexual reproduction is commonly seen in the rose plant

What is Reflex Arc?

Give one example of plant part. A. Which is positively hydrotropic as well as geotropic.B. Which is positively phototropic but negatively geotropic.

rate of flow of liquid is laminar or streamline is determined by 1.rate of flow of liquid2.density of liquid3.radius of tube4.coefficient of viscosity

How is water absorbed and transported to leaves during the night?

The nervous system controls body processes by sending messages from the brain through the nerves. How does the endocrine system control body processes?

meaning of The cerebral cortex

The green revolution is in the field

Question 3 (b) Choose the correct option: (b) Water absorption through roots can be increased by keeping the plants (i) in the shade (ii) in dim light (iii) under the fan (iv) covered with a polythene bag

Which animal falls under the category of extinct species?

7. if a character is controlled by four alleles of a gene,the possible genotypes would be: a)10 b)15 c)20 d)21

Match the terms of Column (A) with those of Column (B).

The diagram given alongside represents a certain phenomenon which occurs during meiosis. Name and explain the phenomenon by using the terms - homologous chromosomes, chromatids, crossing-over. [3 MARKS]

Give the values of DNA Content and chromosome number at Anaphase stage of Mitosis if cell at G1 phase has DNA Content C and chromosome number N.

Why does our stomach ache?

The given figure shows demonstration of osmosis. A thistle funnel is filled with sucrose solution and kept inverted in a beaker containing water. In case sucrose diffuses out through the membrane, will this equilibrium be ever reached?

The end products of respiration in plants are :

Give an example of characteristics being used to determine how close two species are, in terms of evolution.

Why are fossil fuels considered Exhaustible natural resources?

What are the symptoms of kidney calculus and their diagnosis?

how parallel evolution is different from normal convergent evolution?

How to determine the strength of lewis acids or bases?

Excretion of bile pigments in urine indicates ___ .

Are we calling homologous and non homologous chromosomes as sister chromosomes and non sister chromosomes respectively ?

Consanguineous marriages (marriages between close relative/cousins) are not advisable because

The mitral valve is present between

How to find conjugate acid and conjugate base??

Which blood group is known as universal donor and why?

Identify the fluid part of the blood which transports food and waste materials.

In an experiment three glass bell jars were set-up as shown in the diagram. At the end of the experiment, which bell jar has the most oxygen and which has the least?

Which of the following is not a difference between Biopharmaceutical and Pharmaceutical

Statement (i): To counter act the increase in turgor pressure in plant cells, the cell wall produces an equal and opposite i.e., wall pressure Statement (ii): When plant cells undergo endosmosis, they swell but do not burst

Which of the following plays a major role in trapping sunlight?

(a) Trees absorb water from the soil. How does this water reach the tree tops? Explain in detail.(b) Describe the cuttings method for the artificial propagation of plants. Illustrate your answer with the help of labelled diagrams.

Match the following: 1.This part of the brain tells us (i)Cerebellumwhether we are hungry or full2.This part of the brain is responsible (ii)Medullafor precision of voluntary actions3.Involuntary actions like vomiting and salivation (iii)Fore−brainare controlled by this part of the brain