Ecology and Environment (AIIMS (All India Institute of Medical Sciences) Biology): Questions 12 - 17 of 52

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Question number: 12

» Ecology and Environment » Environmental Issues » Air Pollution and Its Control

Appeared in Year: 2005

Assertion-Reason▾

Question

Assertion (Ꭺ)

Suspended particulate matter (SPM) is an important pollutant released by diesel vehicles.

Reason (Ꭱ)

Catalytic converters greatly reduce pollution caused by automobiles.

Choices

Choice (4) Response

a.

Both Ꭺ and Ꭱ are false

b.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

c.

Ꭺ is true but Ꭱ is false

d.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

Question number: 13

» Ecology and Environment » Ecosystem » Pyramids of Number, Biomass, Energy

Appeared in Year: 2002

MCQ▾

Question

Bamboo plant is growing in a far forest then what will be the trophic level of it: - [CPMT]

Choices

Choice (4) Response

a.

Second trophic level (T2)

b.

First trophic level (T1)

c.

Fourth trophic level (T4)

d.

Third trophic level (T3)

Question number: 14

» Ecology and Environment » Environmental Issues » Water Pollution and Its Control

Appeared in Year: 1979

MCQ▾

Question

Which of the following is the main factor of water pollution- [CPMT]

Choices

Choice (4) Response

a.

Smoke

b.

Detergent

c.

Ammonia

d.

Industrial waste

Question number: 15

» Ecology and Environment » Ecosystem » Pyramids of Number, Biomass, Energy

MCQ▾

Question

A plant, being eaten by a herbivore which in turn is eaten by a carnivore makes -

Choices

Choice (4) Response

a.

Food chain

b.

Web of Food

c.

Interdependence

d.

Omnivores

Question number: 16

» Ecology and Environment » Ecosystem » Pyramids of Number, Biomass, Energy

MCQ▾

Question

The ecological pyramid of numbers in pond ecosystem is -

Choices

Choice (4) Response

a.

May upright or Inverted

b.

Inverted

c.

Upright

d.

First upright then inverted

Question number: 17

» Ecology and Environment » Environmental Issues » Agrochemicals and Their Effects

MCQ▾

Question

Which pollutant exhibits biomagnification in food chain

Choices

Choice (4) Response

a.

DDT

b.

PAN

c.

SO2

d.

CO

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