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ECOLOGICAL ADAPTATION, SUCCESSION AND ECOLOGICAL SERVICES

1. Father of Ecology in India-
A: Ramdeo Mishra

 

2. Ramdeo Mishra started-
A: Postgraduate course in Ecology

 

3. Ecology is also called-
A: Environmental Biology

 

4. The plants which open the stomata during night are-
A: CAM Plants

 

5. The trees which loose leaves every year are seen in-
A: Deciduous forests

 

6. A distinct ecological, community of plants and animals living together in a particular climate is called-
A: Biome

 

7. The term Ecosystem was coined by-
A: A.G.Tansley

 

8. Flora and Fauna are found scanty in-
A: Desert

 

9. Ecology was started in which century?
A: 19th

 

10. Ecological studies began with the works of scientists-
A: Haeckel

 

11. Deserts, Rain forests and Tundra are-
A: Biomes

 

12. A desert is a-
A: Biome

 

13. The functional unit of ecology-
A: Ecosystem

 

14. Annual variations in the intensity and duration of temperature are caused by-
A: Rotation of earth around Sun and the tilt of its axis

 

15. Population means-
A: A group of similar individuals belonging to the same species found in an area

 

16. Community includes different-
A: Genera, species, same area

 

17. Adaptation helps the organism-
A: To survive and reproduce

 

18. The largest ecosystem is-
A: Biosphere

 

19. Structural and functional Earth is-
A: Gigantic ecosystem

 

20. Eugen Warming-
A: Botonist, ecologist

 

21. Eugen Warming-
A: Danish

 

22. Match the following-

      I    II   III   IV
A: D   C    B   A

 

23. Find wrong match among the following-
       1) Utricularia - Submerged root less
       2) Typha - Limnophila
       3) Pistia - Nymphaea
       4) Lemna - Not rooted
A: 3 (Pistia - Nymphaea)

 

24. Assertion (A): Roots to hydrophytes are of secondary importance.
        Reason (R): They have surplus of water in their habitat.
A: A & R are correct. R explains A.

 

25. Assertion (A): In submerged hydrophytes gas exchange takes place directly through the thin walls by diffusion.
Reason (R): Stomata are totally absent in them.
A: A & R are correct. R explains A.

 

26. Assertion (A): All hydrophytes contain aerenchyma.
       Reason (R): Mechanical tissues and xylem are poor developed.
A: A & R are correct. R do not explains A.

 

27. We find extensively these plants on the surface of land-
       1) Hydrophytes        2) Xerophytes        3) Mesophytes        4) 1 & 2
A: 3 (Mesophytes)

 

28. Adaptations in mesophytes-
       1) Not necessary                                                        2) Necessary
       3) Necessary unless the habitat is specialised          4) 1 & 3
A: 4 ( Not necessary & Necessary unless the habitat is specialised)

 

29. Assertion (A): All ephemerals are annuals.
       Reason (R): All annuals are annuals.
A: A is correct. R is false.

 

30. Ephemerals are found generally in-
A: Arid

 

31. Tribulus is-
A: ephemeral

 

32. Pore space in the habitat of mesophytes consists-
A: 50% air, 50% water

Posted Date : 15-10-2020