NEET (NTA)-National Eligibility cum Entrance Test (Medical) Biology: Questions 3425 - 3430 of 3511

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Question number: 3425

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

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Appeared in Year: 2004

MCQ▾

Question

Common indicator organism of water pollution is (CBSE)

Choices

Choice (4) Response

a.

Lemna paucicostata

b.

Bchhornia crassipes

c.

Entamoeba histolytica

d.

Escherichia coli

Question number: 3426

» Ecology and Environment » Biodiversity and Its Conservation » Endangered Organisms

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Appeared in Year: 2006

MCQ▾

Question

Which of the following pairs of an animal and a plant represents endangered organisms in India? (CBSE)

Choices

Choice (4) Response

a.

Tamarind and Rhesus monkey

b.

Bentinckia nicobarica and Red Panda

c.

Cinchona and Leopard

d.

Banyan and Black buck

Question number: 3427

» Ecology and Environment » Ecosystem » Productivity and Decomposition

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Appeared in Year: 2004

MCQ▾

Question

In which one of the following habitats does the diurnal temperature of soil surface vary most? (CBSE)

Choices

Choice (4) Response

a.

Desert

b.

Grassland

c.

Forest

d.

Shrub land

Question number: 3428

» Genetics and Evolution » Evolution

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Appeared in Year: 2002

MCQ▾

Question

In a population, unrestricted reproductive capacity is called as: (CBSE)

Choices

Choice (4) Response

a.

Biotic potential

b.

Fertility

c.

Carrying capacity

d.

Birth rate

Question number: 3429

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

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Appeared in Year: 2007

MCQ▾

Question

In a coal fired power plant electrostatic precipitators are installed to control emission of: - (CBSE)

Choices

Choice (4) Response

a.

CO

b.

NOx

c.

SO2

d.

SPM

Question number: 3430

» Ecology and Environment » Ecosystem » Patterns, Components

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Appeared in Year: 2004

MCQ▾

Question

What is a keystone species? (CBSE)

Choices

Choice (4) Response

a.

A dominant species that constitutes a large proportion of the biomass and which affects many other species

b.

A common species that has plenty of biomass, yet has a fairly low impact on the community’s organization

c.

A species which makes up only a small proportion of the total biomass of a community, yet has a huge impact on the community’s organization and survival

d.

A rare species that has minimal impact on the biomass and on other species in the community