Environmental Science and Ecology - Mock Test 1

Question 1

The region of biosphere reserve that is protected legally, Where no human activity takes place is known as

A) transition zone B) buffer zone C) core zone D) restoration zone

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Question 2

Pick the correct match

A) Stratification - Population B) Aerenchyma - Opuntia C) Age Pyramid - Biome D) Parthenium hysterophorus - threat to biodiversity

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Question 3

The National aquatic animal of India is

A) Sea horse B) River Dolphin C) Blue whale D) Gangetic shark

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Question 4

As per recent government data, how many tigers died in the last three years in India

A) 29 B) 129 C) 329 D) 529

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Question 5

Biomagnification refers to increase in concentration of the toxicant at successive trophic levels, this happens because

A) A toxic substance accumulated by an organism can not be metabolised B) A toxic substance accumulated by an organism can not be excreted C) A toxic substance passed on to the next trophic level D) All of the above

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Question 6

the 'polyblend' is a/an

A) recycled modified plastic waste used for laying the roads. B) electronic waste buried in the landfills. C) plastic film- waste to make disinfectants. D) fine powder of plastic waste used to make the plastic bags.

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Question 7

To improve the quality of environment ( air, water and soil ) the Govt. of India passed the ‘Environment ( Protection ) Act’ in year

A) 1981 B) 1986 C) 1987 D) 1974

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Question 8

Clearing Environment with biological options such as microbes and plants is called

A) bioremediation B) biotechnology C) biowarfare D) incineration

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Question 9

Stirred tank bioreactors have been designed for

A) addition of preservatives to the product B) purification of the product C) ensuring anaerobic conditions in the culture vessel D) availability of oxygen throughout the process

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Question 10

Prolonged liberal irrigation of agricultural fields is likely to create the problem of

A) acidity B) aridity C) salinity D) metal toxicity

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