Previous Year Solved Question Papers

Previous Year Solved Question Papers

MCQs on Ecology & Biodiversity Conservation -7

1. Which of the following is not an IUCN-designated threatened species found in India?
(A) Asiatic Lion
(B) Bengal Tiger
(C) Indian White rumped vulture
(D) Mountain gorilla


2. Which of the following ecosystems has the lowest net primary production per square metre?
(A) A grassland
(B) A coral reef
(C) An open ocean
(D) A tropical rain forest


3. The rate of energy at consumer’s level is called
(A) Primary productivity
(B) Gross primary productivity
(C) Net primary productivity
(D) Secondary productivity



4. Establishment of a species in a new area is referred to as
(A) Stabilization
(B) Aggregation
(C) Ecesis
(D) Migration


5. The Zooplankton of continental shelf is generally the same as in
(A) Neritic region
(B) Pelagic region
(C) Estuary region
(D) Benthic region


6. In biogeochemical cycle, a chemical element or molecule moves through
(A) Biosphere and lithosphere
(B) Biosphere, lithosphere and atmosphere
(C) Biosphere, lithosphere, atmosphere and hydrosphere
(D) Lithosphere and atmosphere



7. The net primary productivity of an ecosystem is
(A) the gross primary productivity minus plant respiration
(B) the primary productivity at herbivore level
(C) the primary productivity at consumer level
(D) the productivity at top consumer level minus respiration at all levels


8. Which of the following habitats has not been included as Indian biodiversity hot spots?
(A) The Eastern Ghats
(B) The Western Ghats
(C) North-Eastern Hills
(D) South-Eastern Hills


9. The area of the biosphere which is protected entirely, without any experimentation and research and no biotic interference, is known as
(A) Undisturbed zone
(B) Buffer zone
(C) Core zone
(D) Principal zone



10. Which type of forests are found at an altitude of 5300 ft chiefly on mountains of Himalayas and Nilgiri?
(A) Dry deciduous forest
(B) Moist tropical forest
(C) Temperate forest
(D) Tropical moist deciduous forest


11. The sequence of events that occur during primary succession is as follows:
(A) Nudation – Colonisation – Ecesis – Aggregation
(B) Aggregation – Colonization – Ecesis – Nudation
(C) Ecesis – Nudation – Aggregation – Colonization
(D) Nudation – Ecesis – Colonization – Aggregation


12. Which one of the following category of earthworms is most suitable for Vermicomposting?
(A) Epigeic
(B) Anecic
(C) Endogeic
(D) All the above


13. Which one of the following is an in situ method of biodiversity conservation?
(A) Reserve forest
(B) National parks
(C) Sanctuaries
(D) All the above



 14. Progressive increase in concentration of a xenobiotic compound when it passes through the food chain is called
(A) Biomagnification
(B) Hyper accumulation
(C) Bioaccumulation
(D) None of the above


15. Highest level of biotic interaction is
(A) Mutualism
(B) Predation
(C) Parasitism
(D) Amensalism

No comments:

Post a Comment