1. The lentic ecosystem includes.

2. The nature's scavengers include.

3. The most recently discovered ecosystem is

4. Tropical rain forests are found in Indian state

5. Which of the following is an artificial ecosystem.

6. The frog that feeds on an insect is a

7. Which of the folloing represent correct sequence in a food chain

8. 10% energy transfer law in food chain was proposed by

9. Association of ants with some members of Rubiaceae family is

10. Nutrient enrichment of lakes is called.

11. The middle transition zone of a deep lake is called.

12. The upper vertical zone of ocean up to the depth of 200 meters is

13. The jungle edge is a tangle of sun loving woody climbers called

14. The pyramid obtained by plotting number of organisms at successive level is called

15. Which of the following is protective devices in organism

16. The sphere of living matter together with water, air, and soil on earth is called.

17. Zone of the atmosphere that lies close to earth surface is

18. When a natural predator is used to control pathogenic organisms it is

19. Species which occur in different geographical areas are called

20. Genetically adapted population in a particular habitate is called.

21. Saprobionts are otherwise called as

22. An intergeneric hybrid between cabbage and radish developed Karpechenko is

23. The smallest unit of ecological hierarchy is

24. Pedogenesis is

25. Plants growing on cold soil are named as

26. Which of the following components of the soil get destructed due to fire.

27. 'Flag trees' are usually formed by

28. Plant groups growing in areas where high temperature alternates with low temperature is called

29. Which of the following relation ship does not represent mutalism

30. An association of 2 species where one is benefited and other remains unaffected is called.