AIIMS Biology: Questions 354 - 359 of 405

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Question number: 354

» 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: 355

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

MCQ▾

Question

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

Choices

Choice (4) Response
a.

Telodendrites

b.

Collagen fibres

c.

Purkinje fibres

d.

Myonemes

Question number: 356

» 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: 357

» 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: 358

» Structural Organization in Animals and Plants » Animal Tissues - Morphology, Anatomy and Functions - Mainly Cockroach » Respiratory System

MCQ▾

Question

Arrhenotoky is related to

Choices

Choice (4) Response
a.

Parthenogenesis

b.

Parthenogenesis and Sexual reproduction

c.

Sexual reproduction

d. Question does not provide sufficient data or is vague

Question number: 359

» 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

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