Previous Year Solved Question Papers

Previous Year Solved Question Papers

MCQs on Ecology & Biodiversity Conservation -9

1. Limnetic zone in freshwater ecosystem is characterised by
(A) Presence of rooted vegetation
(B) Absence of rooted vegetation
(C) Presence of large proportion of lime
(D) Absence of phytoplankton



2. Vegetation cover shows maximum reflectance in which of the following regions of the electromagnetic radiation spectrum?
(A) Ultraviolet
(B) Near infrared
(C) Middle infrared
(D) Visible


3. During remote sensing of the vegetation cover, the spectral reflection of vegetation over electromagnetic radiation spectrum depends upon
(A) Pigmentation in the leaf
(B) Structure of the leaf
(C) Moisture content of the leaf
(D) All the above characters



4. Which of the following organic compounds is not of biogenic origin?
(A) Isoprene
(B) α-pinene
(C) Myrcene
(D) Acrolein


5. Which of the following is used as plant indicator for detection of presence of SO2 and HF in air?
(A) Lichen
(B) Orchid
(C) Apricot
(D) Tobacco



6. What is the importance of the 42nd Amendment to the Constitution brought in the year 1976?
(A) Insertion of Article 48-A
(B) Insertion of Article 51-A (g)
(C) Insertion of Article 48-A and 51-A (g)
(D) None of the above


7. Who issues the Ecomark notification?
(A) Ministry of Environment and Forest, Govt. of India
(B) Ministry of Human Health and Family Welfare, Govt. of India
(C) Department of Science and Technology, Govt. of India
(D) Bureau of Indian Standards


8. How many hot spots have been identified in the world and Indian Subcontinent respectively?
(A) 17, 2
(B) 12, 3
(C) 35, 2
(D) 17, 3



9. Assertion (A): Every country should integrate the principles of sustainable development into its policies and programmes.
Reason (R): Environmental resources are a Nation’s wealth.

Choose the correct code from the following:
(A) Both (A) and (R) are true and (R) is the correct explanation of (A).
(B) Both (A) and (R) are true, but (R) is not the correct explanation of (A).
(C) (A) is true, but (R) is false.
(D) (A) is false, but (R) is true.



10. Spotted deer, Asiatic wild ass, Black buck are,
(A) Endangered species
(B) Vulnerable species
(C) Threatened species
(D) Key species


11. Specific mortality of members of a population is expressed by
(A) Life table
(B) Survivorship curve
(C) Rate of mortality
(D) Rate of fecundity


12. Which group of vertebrate comprises maximum number of endangered species?
(A) Fish
(B) Amphibia
(C) Reptiles
(D) Birds



13. Which specific common feature is not found in zooplankton and rabbit?
(A) Both are animals
(B) Both are primary consumers
(C) Both are carnivores
(D) Both are herbivores


14. The following exogenous and endogenous factors are the cause of extinction of animal species:
I. Ecological niche
II. Decrease in reproductive potency.
III. Lesser adaptability to fluctuating environment.

Choose the correct answer from the codes given below:
(A) I only
(B) II only
(C) I and II
(D) I, II and III



15. Which one of the following is not a post audit activity under environmental audit process?
(A) Review of draft report by Law department.
(B) Issue of final report to functional specialist.
(C) Develop action plan to establish responsibility.
(D) Report audit findings.

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