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Environment QuestionsPage 2

11.

The amount of energy as it passes on from one tropic level to other in an ecosystem
(a)it increases
(b)it decreases
(c)it remains constant
(d)there is no definite relation
Comment
Answer is: BNA

12.

Which one is supposed to be the most stable environment?
(a)Tropical rainforest
(b)Temperate grasslands
(c)Hilly regions
(d)Deep sea regions
Comment
Answer is: DNA

13.

Red Data Book gives information about species which are
(a)extinct
(b)endangered
(c)dangerous
(d)rare
Comment
Answer is: BNA

14.

What does the term 'Locavore' mean?
(a)A bacteria
(b)An endangered species
(c)The consumer who eats only locally grown food products
(d)none of the above
Comment
Answer is: CNA

15.

Which element is depleted most from the soil after a crop is harvested?
(a)Nitrogen
(b)Potassium
(c)Phosphate
(d)Floride
Comment
Answer is: BNA

16.

What is the primary source of food for marine life?
(a)Phytoplankton
(b)Zooplankton
(c)Sea weed
(d)Grass
Comment
Answer is: ANA

17.

The word 'ecology' was coined in 1866 by
(a)Charles Darwin
(b)Robert Whittaker
(c)Arthur Tansley
(d)Ernst Haeckel
Comment
Answer is: DNA

18.

In Nitrogen Cycle, soil nitrates are transformed into free nitrogen by
(a)nitrifying bacteria
(b)denitrifying bacteria
(c)ammonifying bacteria
(d)none of the above
Comment
Answer is: BNA

19.

The transition zone between two Ecosystems is called
(a)biome
(b)biotype
(c)ecotone
(d)sere
Comment
Answer is: CNA

20.

Which crop utilizes solar energy most efficiently?
(a)Potato
(b)Sugarcane
(c)Wheat
(d)Rice
Comment
Answer is: BNA

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