Answer :- 40,000,
● Which group has the highest number of endangered species?
Answer :- Reptiles,
● Silent valley having rare plant and animal is located in which state?
Answer :- Kerala,
● Which is the first national park established in India?
Answer :- Corbet,
● Insectivorous plant generally grow in soil which is deficient in which gas?
Answer :- Nitrogen,
● What is one-way relationship where one species benefits at the expense of another is called?
Answer :- Parasitism,
● What is symbiotic relationship in which both species benefit is best described?
Answer :- Mutualism,
● Which of a species describes the tropic function it fills in its environment?
Answer :- Niche,
● What is the least influential in determining the distribution of terrestrial biomes?
Answer :- Salinity,
● The massive hole in the ozone layer over the Antarctica was first discovered in which year?
Answer :- 1985,
● Which animals have a diet mainly consisting of bamboo?
Answer :- Red pandas,
● A bullet hits and gets embedded in a solid block resting on a horizontal frictionless table. What is conserved’?
Answer :- Momentum,
● What is formed by strong heating of potassium petmanganate?
Answer :- O2,
● Most of the digestion occur in which part of alimentory canal of man?
Answer :- Small intestine,
● What is the Branch of biology in which we study about relationship between living and their environment?
Answer :- Ecology,
● Why does a man inside an artificial satellite feels weightlessness?
Answer :- Because the force of attraction due to earth is zero at that earth is,
● Which has the longest wave length?
Answer :- Infra red radiation,
● Which plant produce seed but not fruit?
Answer :- Mint,
● Why is yeast is used in bakery in the preparation of bread?
Answer :- Because it make bread soft and spongy,
● Which variety of glass is used for the manufacture of optical glasses?
Answer :- Flint glass,
● Sex determination of child is done by whose chromosome?
Answer :- Father,
● Which crop enrich the soil with nitrogen?
Answer :- Pea,
● At constant temperature, the product of pressure and volume of a given amount of a gas is constant, whose this law?
Answer :- Boyles’law,
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