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

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Question 353

Appeared in Year: 2002

Question MCQ▾

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

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Question 354

Appeared in Year: 2005

Question MCQ▾

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

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Question 355

Question MCQ▾

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

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Question 356

Appeared in Year: 2004

Question MCQ▾

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

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Question 357

Appeared in Year: 2003

Question MCQ▾

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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