BT101 Current Solved MCQs

BT101 Current MCQS solution file

1. Components of ecology are…6
2. Types of ecological pyramids are……3
3. Lotic system example is……springs
4. Leaching is present in which zone of soil?.......A-horizon
5. Marine water ecosystem is a great source of?...biodiversity
6. Lichens and mosses are the example of?....Primary succession.
7. Human eye can detect electromagnetic radiations of wavelength

range…... 380-760nm.

8. Fjords Mostly found in?......... Norway.
9. Organisms that feeds on large chunks of dead and decaying

organic matters are known as?.....scavengers.

10. External mechanical force of terrestrial plants is:…..wind

11. Food of giraffe per day may be:….75 pounds

12. HAB stands for?....harmful algal bloom

13. Which process is involved in soil formation?....weathering

14. Population diversity of lager organisms is?...low

15. Process of emigration cause…..decrease in population

16. The term ecology was derived by….. Ernst Hackle in 1866

17. plants capture ….% of solar energy….1%

18. the top most mineral horizon, often referred to as top

soil…..A-horizon

19. zones of lentic water bodies….4

20. fat which is gives energy to animals brain and

hearts……brown fat

21. depending upon cell structure organisms are of --- types…..2

22. .----% volume of water belongs to sea water:….97% 23. Species of red kangaroo……native specie

24. Rocky part of earth is called…..crust

25. Occupation of species is called….niche

26. Carnivorous fishes possess…… long stomach and short

intestine.

27. A deep fast flowing freshwater body… River

28. The process in which soil is formed…..soil formation

29. Normal body temperature of birds is, …………105°F .

30. optimum temperature of human body is……37oc

31. oligotrophic lakes have ….low nutrients

32. Lake having excessive amounts of dissolved nutrients……

Hypertrophic lake

33. Trophic means….. food

34. Abyssal zone temperature is …3-4o c.

35. Diversity which reflects the biological complexity of

ecosystem…..functional diversity

36. Best example of scavengers is……..vultures

37. Human population at present it is about ……..7.4 billion.

38. Blind Indus dolphin is an example of….endemic species

39. Deliberately or accidentally introduced into an ecosystem……

non-native species.

40. Hibernating animals possess……..Low metabolic rate

41. Pisaster is an example of………keystone specie

42. Species are introduced in the environment in ---- ways:………2