Organisms and Populations Class 12 MCQs Questions with Answers

1. The size of the population tells us a lot about its status in the

2. The rate of individuals born per 1,000 individuals per year is called

3. Niche overlap indicates

4. In a population, unrestricted reproductive capacity is called

5. The population growth curve is sigmoid if the growth pattern is

6. In which one of the following habitats, does the diurnal temperature of soil surface veiw most?

7. Both the species benefit in

8. Winter sleep is also called as

9. Which of the following forest plants controls the light conditions at the ground?

10. The interaction where one species is benefitted and the other is neither benefitted nor harmed is called

11. Plants growing in saline soil with high salt concentration are:

12. The number of birth during a given period in the population that are added to the initial density is referred to

13. Niche overlap is:

14. In a population, unrestricted reproductive capacity is called

15. Ozone protects biosphere from high energetic:

16. Competitive exclusion principle stating that inferior species is eliminated eventually after prolonged competition was given by

17. Which of the following is not an example of prey-predator relationship ?

18. Autecology is the

19. Why you never see cattle or goats browsing on weed Calotropis ?

20. Water holding capacity is maximum in: