1. In Y-shaped energy flow model, one arm represents
herbivore and the other
(A) Carnivore
(B) Decomposer
(C) Omnivore
(D) Secondary consumer
2. “Bermuda grass allergy” is a type of
(A) Airborne allergy
(B) Contact allergy
(C) Hydroborne allergy
(D) Soilborne allergy
3. Parasites which initiate production of antibodies within
hosts are termed as
(A) Endoparasites
(B) Pathogenic parasites
(C) Zooparasites
(D) Homoparasites
4. A change in a population’s gene pool over time is called
(A) Microevolution
(B) Macroevolution
(C) Chemical evolution
(D) Inorganic evolution
5. Which one of the following is not the goal of
sustainable agriculture in India ?
(A) Maintaining productive topsoil
(B) Reduce the use of chemical fertilizer and pesticides
(C) Mechanised farming
(D) Keep farms economically viable
6. Environmental ethics deal with moral relationship of
human beings to
(A) the value and moral status of the environment and its
nonhuman contents
(B) the values that is important to development and
economic growth
(C) the conservation values of selected species
(D) the development of genetically modified organisms
(A) Lipids
(B) Proteins
(C) Nucleic acids
(D) Proteins and nucleic acids
8. The area where two major communities meet and blend
together is termed as
(A) Ecotype
(B) Biotype
(C) Ecotone
(D) Meeting place
9. Indian wolf has become an important animal because
(A) It’s name appears in Red Data Book.
(B) It is only an important member of food chain of almost
all Indian forests.
(C) Wild dogs disappeared due to their presence.
(D) It has been chosen as a State animal.
(A) 0.1
(B) 1
(C) 2
(D) 10
11. Which is a correct food chain in the Antarctic
ecosystem?
(A) Phytoplankton – Krill – Carnivorous Plankton – Emperor
Penguin
(B) Phytoplankton – Krill – Carnivorous Plankton – Squid –
Elephant Seal – Leopard Seal
(C) Phytoplankton – Herbivorous Zoo Plankton – Carnivorous
Plankton – Adelic Penguin – Emperor Penguin
(D) Herbivorous Zoo Plankton – Phytoplankton – Carnivorous
Plankton – Elephant Seal – Leopard Seal
12. Given below are two statements, one labelled as
Assertion (A) and the other labelled as Reason (R):
Assertion (A): The phosphorous cycle in an ecosystem is a
sedimentary cycle.
Reason (R): Phosphorous does not occur naturally as gas.
(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.
13. Pyramid of trophic levels is always upright in case of
(A) Biomass
(B) Energy
(C) Number
(D) All of the above
14. Which of the following is a correct match?
(A) Periyar – Kerala
(B) Ranthambore – M.P.
(C) Panna – U.P.
(D) Bandhvgarh – Bihar
15. Replacement of existing communities by any external
condition is termed
(A) Primary succession
(B) Secondary succession
(C) Autogenic succession
(D) None of the above
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