Saved Bookmarks
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 57051. |
Who give the rule of gravity |
| Answer» Isaac Newton | |
| 57052. |
Where the blood absorb oxygen |
|
Answer» Blood absorbs oxygen in the alveloi present in the lungs Ioung |
|
| 57053. |
What do u mean by biological magnification |
| Answer» Gentdnjt | |
| 57054. |
Define double circulation with flow chart |
| Answer» Double circulation of blood occurs in human beings it is very essential to meet our high energy needs as without it we cannot maintain our body temperature in accordance with the external environment . In double ciculation blood comes to the heart 2 times once pure blood from the lungs and second impure blood from the body | |
| 57055. |
Write the function of testes and overy? |
| Answer» Functions of the Testis:(a) They produce male gametes called spermatozoa by the process of spermatogenesis.(b) The leydig cells of the seminiferous tubules secrete the male *** hormone called testosterone. Testosterone aids the development of secondary *** characteristics in males.Functions of the ovary:(a) They produce female gametes called ova by the process of oogenesis.(b) The growing Graffian follicles secrete the female *** hormone called estrogen. Estrogen aids the development of secondary *** characteristics in females. | |
| 57056. |
What are the male and female gamate? |
| Answer» Male gamate is sperm and female gamate is ovum | |
| 57057. |
What is corrosion? Give some examples |
|
Answer» These process slowly slowly eat of metal When a metal is exposed in wet air for long time ,it form a an unfavourable layer on it which corrode the metal gradually is called corrosion. Al ,fe ,Ag etc formed a layer on it. |
|
| 57058. |
What is a thermal power plant |
| Answer» Thermal power plants are power stations which convert heat energy into electric energy. Thermal power plant is a collective term which includes fossil fuels, geothermal, solar and nuclear power plants as well as waste incineration plants.The basic mechanism is that:Use the heat energy to boil water, producing steamsThe steam turbine spins and then drives the electric generatorCondense the steam into water for reusingRepeat the cycleThis cycle is known as the Rankine cycle | |
| 57059. |
Lab manual science activity |
| Answer» | |
| 57060. |
Define trophic movements with example |
|
Answer» It is the growth dependent movementEg.phototrophism means the plant part growing towards light It is growth dependent movement. Eg:phototrophism-the plant part growing towards plant parts (shoot system) |
|
| 57061. |
briefly explain thalamus and its functions |
| Answer» | |
| 57062. |
Write a note on blood pressure |
| Answer» When our heart beats, it pumps blood to all parts of the body for giving energy and oxygen to the cells. As the blood moves, it pushes against the sides of the blood vessels. The strength (force) of this pushing is our blood pressure. If the blood pressure is too high, it puts extra strain on our arteries (and our heart) which in turn might lead to heart attacks and strokes. Blood pressure is recorded as two numbers i.e. the systolic pressure (as the heart beats) over the diastolic pressure (as the heart relaxes between beats). For example, a blood pressure measurement of 120/80 mmHg (millimetres of mercury) is expressed verbally as "120 over 80." | |
| 57063. |
briefly explain the structure of a neurone and draw the diagram in brief |
| Answer» Neurons are nerve cells which are the functional units of the nervous system. The three main parts of a neuron are dendrite, cell body and axon.Functioning of its three parts.Dendrite: It detect information and conducts the messages towards the cell body.Cell body: It contains nucleus, mitochondria, and other cell organelles. It maintains the growth of the cell.Axon: It conducts messages away from the cell body and pass to the next neuron. | |
| 57064. |
Characteristics of the image formed in a concave mirror |
|
Answer» If object is at infinity then the image formed will be highly diminished,small size.If the object is beyond C the image formed will be diminished, small sized.If the object is at C then image formed will be same as objectsize.If the object is between C and F then the image will be formed beyond C.If the object is at F then the image will be formed at infinity.If the object is between F and P then the image will be virtual erect beyond the mirror and enlarged. Plz explain the answers in brief |
|
| 57065. |
Characteristics of the image formed in a convex mirror |
| Answer» Plz explain the answer in brief | |
| 57066. |
Characteristics of real image |
| Answer» Plz explain the answer in brief | |
| 57067. |
characteristics of virtual image |
| Answer» Plz explain the answer in brief | |
| 57068. |
Functions of hypothalamus |
| Answer» Hypothalamus is a part of brain and | |
| 57069. |
Functions of thalamus |
| Answer» It help in the development of our immunity system | |
| 57070. |
What is diencephalon and give some functions of diencephalon |
|
Answer» It secretes neurohormones which regulate the secretion of anterior lobe of pituitary..It controls hunger thirst fatigue sleep etc Plz explain the answer in brief |
|
| 57071. |
What is plant movement |
| Answer» ASCENTAC SAP | |
| 57072. |
What is indicator. |
| Answer» Indicator is a dye which changes colour in different solutions | |
| 57073. |
Define temprature |
| Answer» Temperature is a measure of the degree of hotness of a body. The SI unit of temperature is kelvin (K). But temperature is also measured in celcius (°C) or fahrenheit (°F) scales. The instrument used to measure temperature is called a thermometer.\xa0 | |
| 57074. |
Why connection of resistors in parallel combination provides maximum current in a circuit |
|
Answer» When resistors are connected in parallel, their overall resistance is low. And we know that resistance is inversely proportional to current, so when the resistance is low max. current flow in a circuit. Similarly when resistance is more, min. current flow in a circuit Because the potential difference is distributed among the resistors making the overall resistance less |
|
| 57075. |
Why connection of resistors in series combination provides minimum current in a circuit |
| Answer» | |
| 57076. |
Expain the statement giving example Alloys do not oxidise at high temperatures |
| Answer» Allow is made up of metals so their overall resistance is more due to this it does not oxidised at high temp. Ex in heater, the nicotine alloy is used | |
| 57077. |
What are visceral organs |
|
Answer» I m asking definition not location Internal |
|
| 57078. |
some trick to make a numerical |
| Answer» | |
| 57079. |
Light rays enters the diamond with refractive index 2.42 . What is the speed of light in diamond. |
| Answer» 1.24 × 10^8 m/s | |
| 57080. |
Name two metals which are found in nature in the free of state |
|
Answer» The metals having low reactivity like Hg,Cu,Ag,Au Gold and platinum Copper and silver Here free state means gas Gold and platinum because it is highly unreactive...... |
|
| 57081. |
double bond > tripal bond why |
|
Answer» Becoz it has more Hydrogen atoms Matlab |
|
| 57082. |
Why does a solution of sodium chloride conduct electricity while solid Nacl does not? |
|
Answer» Because sodium chloride conducts electricity in molten state only due to presence of H+\xa0\xa0ions . Because the soln of NaCl consist of H+ ions that conduct electricity but solid NaCl does not....... |
|
| 57083. |
What product will form when sodium reacts with dilite nitric acid? |
| Answer» Salt and hydrogen gas | |
| 57084. |
What iS the tje role of oxidising agent in a rxn |
| Answer» It helps in the addition of oxygen or removing of hydrogen from it | |
| 57085. |
Why do zinc transperil mettal |
| Answer» | |
| 57086. |
What is reproduction???? |
|
Answer» When one organisms give birth to young once is called reproduction The production of new organisms from the existing organisms of the same species is called reproduction |
|
| 57087. |
What is the difference between directly proportional and inversely proprotional |
|
Answer» Directly proportional means if a quantity of substance increases the quantity of other substance will also increasesInversely proportional means if the quantity of substance increases the quantity of other substance will decreases Hiiiiiii |
|
| 57088. |
Camical reason |
| Answer» U dont know the spelling of chemical | |
| 57089. |
Define different kinds of nerves and their functions in central nervous system ? |
| Answer» | |
| 57090. |
Define chemical equation with example |
|
Answer» The symbolic representation of chemical reactions in which different elements are represented by there symbols Symbolic representation of take part in chemical equation is known as chemical equation. The representation of chemical reaction with the helpOf formulae and symbols is called chemical equation The short hand method of representing a chemical reactions in terms of symbols and formulae of different reactants and product is known as chemical equations. |
|
| 57091. |
Why internal reflection take place in rainbow??.. |
| Answer» | |
| 57092. |
What is formed when a salt reacts with an acid or a base |
| Answer» | |
| 57093. |
What are proteinaceous and non proteinaceous hormones give difference between them |
| Answer» | |
| 57094. |
Why mixture of ethyne and air is not used for welding ? |
| Answer» It it because the mixture of ethyne and air conduct an incomplete combustion which produce soot particles because of lack of oxygen after the oxygen gas has been used up in the process. | |
| 57095. |
Short note on Human Brain and its parts |
| Answer» Human brain is the most complex organ of our body.it is divided into three parts forebrain , midbrain and hidbrain. Cerebrum forms the largest of forebrain and it is the seat of intelligence, learning and memory . Midbrain =it controls reflex movements of head ,neck and trunk in response to visual and auditort stimuli . Hindbrain = it controls involuntary actions and is further divided into cerebellum, pons and medulla oblangata | |
| 57096. |
What are Nastic and curvature movements |
| Answer» Nastic moments are those whose direction of response is not based on the direction of stimulus | |
| 57097. |
How to prepare for science exam |
|
Answer» But kunal it cant be happen everytime becoz it was the first tym that full syllabus came so it was ncert based Thanks kunal for giving this information Just learn all ncert questions bacos last year only ncert based question was given and solve last year question paper |
|
| 57098. |
What is a condom .in biology chapter name reproduction |
| Answer» A barrier method to make delay in reproduction in human female | |
| 57099. |
What is a ally? |
| Answer» Homologous mixture of elements | |
| 57100. |
Notes for acids bases and salts |
|
Answer» Yes he is ryt on cbse guide as well as on class 10notes On cbse guide app |
|