AIIMS (All India Institute of Medical Sciences) Biology: Questions 353 - 357 of 467

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Question number: 353

» Ecology and Environment » Ecosystem » Energy Flow

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Appeared in Year: 2002

MCQ▾

Question

Path of energy flow in an ecosystem is: [MPPMT]

Choices

Choice (4)Response

a.

Producer → carnivorous → herbivorous → decomposer

b.

Producer → herbivorous → carnivorous → decomposer

c.

Herbivorous → carnivorous → producer → decomposer

d.

Herbivorous → producer → carnivorous → decomposer

Question number: 354

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

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Appeared in Year: 2005

MCQ▾

Question

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

Choices

Choice (4)Response

a.

Excess fluoride in drinking water causes osteoporosis

b.

Excess cadmium in drinking water causes black foot disease

c.

DDT is a non-biodegradable pollutant

d.

Methylmercury in water may cause “Itai Itai” disease

Question number: 355

» Human Physiology » Body Fluids and Circulation » Human Circulatory System-Structure of Human Heart and Blood Vessels

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MCQ▾

Question

Heart beat are controlled by a nodal tissue which is composed of

Choices

Choice (4)Response

a.

Purkinje fibres

b.

Telodendrites

c.

Collagen fibres

d.

Myonemes

Question number: 356

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

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Appeared in Year: 2004

MCQ▾

Question

Minamata disease was caused due to the consumption of

Choices

Choice (4)Response

a.

Fish contaminated with mercury.

b.

Oysters with lot of pesticide

c.

Sea food containing lot of cadmium

d.

Sea food contaminated with selenium

Question number: 357

» Ecology and Environment » Ecosystem » Productivity and Decomposition

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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.

Second trophic level

b.

Third trophic level

c.

Fourth trophic level

d.

First trophic level

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