Question 2 :
Who observed that within a region, species richness increased with increasing explored area but only upto a limit?<br/>

Question 3 :
India is one of the twelve megadiversity countries with ______ of genetic resources of the world.<br/>

Question 10 :
................ is a measure of the variety of organisms present in different ecosystems.

Question 14 :
Species going to be extinct due to low reproductive rate is<br/>

Question 22 :
Percentage of insect species out of the total known organisms is

Question 26 :
Number of plant species estimated to be present in India is<br>

Question 27 :
One of the chief reasons among the following for the depletion in the number of species making it endangered is<br/>

Question 31 :
It was the largest known carnivorous marsupial of modern times. It was native to Tasmania and believed to have become extinct in $20^{th}$ century. Which animal are we talking about?

Question 34 :
This flower produces enormous trumpet - shaped flowers, which smell of rotting meat. Each flower lasts for two days. On the first day, it is in the female phase, attracting flies by its foul smell. On the next day, the flower changes to male phase and pollen is deposited on the pollinators. Which flower is this?

Question 35 :
A graph of species richness vs area on log-log axes is?

Question 36 :
Which one of the following pairs of geographicalareas show maximum biodiversity in our country?

Question 37 :
Tahina spectabilis is a gigantic palm found only in remote parts of north-west Madagascar. It lives for about $50$ years, then flower only once, and dies soon after. What is the common name of this flower?

Question 38 :
Assertion: Genetic diversity within species increases with the increase in habitat variations. Reason: It is essential for adaptation to varied environments.

Question 42 :
Which of the following represent maximum number of species among global biodiversity?

Question 47 :
Which one of the following is the first in allopatric speciation?

Question 50 :
Assertion: Genetic variation shown by the plant <i>Rauwolfia vomitoria</i> growing in different Himalayan ranges is very important economically. Reason: The amount and variety of alkaloids present in this plant, change both between the Rauwolfia species and between the different strains of <i>R. vomitoria.</i>