Ecology and Environment (AIIMS (All India Institute of Medical Sciences) Biology): Questions 24 - 28 of 52

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Question number: 24

» Ecology and Environment » Biodiversity and Its Conservation » Loss of Biodiversity

Appeared in Year: 2005

MCQ▾

Question

Which one of the following statements pertaining to pollutants is correct -

Choices

Choice (4) Response

a.

DDT is a non-biodegradable pollutant

b.

Excess cadmium in drinking water causes black foot disease

c.

Excess fluoride in drinking water causes osteoporosis

d.

Methylmercury in water may cause “Itai Itai” disease

Question number: 25

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

Appeared in Year: 2004

MCQ▾

Question

Minamata disease was caused due to the consumption of

Choices

Choice (4) Response

a.

Oysters with lot of pesticide

b.

Sea food containing lot of cadmium

c.

Sea food contaminated with selenium

d.

Fish contaminated with mercury.

Question number: 26

» Ecology and Environment » Ecosystem » Productivity and Decomposition

Appeared in Year: 2003

MCQ▾

Question

Mr. X is eating curd/yoghurt. For this food intake in a food chain he should be considered as occupying

Choices

Choice (4) Response

a.

Third trophic level

b.

Fourth trophic level

c.

First trophic level

d.

Second trophic level

Question number: 27

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

MCQ▾

Question

Pyramids of energy are -

Choices

Choice (4) Response

a.

Always upright

b.

Mostly upright

c.

Mostly inverted

d.

Always Inverted

Question number: 28

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

Appeared in Year: 1989

MCQ▾

Question

Recent reports of acid rains industrial cities are due to the effect of atmospheric pollution by [CPMT]

Choices

Choice (4) Response

a.

Excessive release of NO2and SO2 by burning of fossil fuels.

b.

Excessive release of CO2 by burning of fuel like wood and characol, cutting of forests and increased animal population.

c.

Excessive release of CO in atmosphere by incomplete combustion of coke, charcoal and other carbonaceous fuels in paucity of oxygen,

d.

Excessive release of NH3 by industrial plants and coal gas.

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