Environmental Science and Ecology - Comprehensive Mock Test 16

Question 151 Medium

According to Lindemann, the percentage of net production passed on to carnivores is?

A) 28.6 B) 26.8 C) 22.6 D) 22.8

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Question 152 Medium

The efficiency of primary production in an ocean is?

A) 5% B) 3.50% C) 1% D) 0.20%

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Question 153 Medium

According to Lindemann, the total solar input in terms of gcal/cm2/year is?

A) 112,887 B) 118,872 C) 181,872 D) 112,788

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Question 154 Medium

According to Odum, the percentage of net primary production of total light intake is?

A) 10% B) 0.15% C) 1% D) 1.50%

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Question 155 Medium

The percentage of light energy utilized for photosynthesis by higher plants is?

A) 100 B) 50 C) 10 D) 1

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Question 156 Easy

The importance of ecosystem lies in?

A) Cycling of materials B) Flow of energy C) Both a & b D) None of the above

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Question 157 Easy

Marine organism survive in pH of?

A) 2 B) 7 C) 8 D) 5

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Question 158 Easy

Vultures and Hyenas are?

A) herbivores B) carnivores C) omnivores D) scavengers

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Question 159 Medium

A high Biological Oxygen Demand (Bod) indicates that?

A) water is pure B) absence of microbial action C) Low level of microbial pollution D) High level of microbial pollution

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Question 160 Easy

Algal bloom results in?

A) Global warming B) Salination C) Eutrophication D) Biomagnification

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