Ecology and Environment (AIIMS Biology): Questions 12 - 17 of 50

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Question number: 12

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

Appeared in Year: 2005

Assertion-Reason▾

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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