Home
Current Affairs January 2024

What is the correct answer?

4

Which of the following atmospheric pollutants is not produced by the exhaust of motor vehicles in Delhi

A.
 Fly ash    

B. so2

C.  Hydrocarbon gases

D. CO

Correct Answer :

A.
 Fly ash    


Related Questions

What is the correct answer?

4

Which of the following atmospheric pollutants is not produced by the exhaust of motor vehicles in Delhi

A.
 Fly ash    

B. so2

C.  Hydrocarbon gases

D. CO

What is the correct answer?

4

Synecology is the study of

A. community in relation to environment

B. individuals

C. environment

D. water

What is the correct answer?

4

Biome is

A. a part of the earth and its atmosphere which inhabits livings organisms

B. a community of organisms interacting with each other

C. the fauna and flora on land

D. the fauna and flora on ocean

What is the correct answer?

4

The total interacting animals and plants in any well defined area which as field or a pond is known as

A. biosphere

B. biome

C. community

D. ecosystem

What is the correct answer?

4

Trophic levels are formed by

A. plants only

B. animals only

C. organisms linked in food chains

D. all of these

What is the correct answer?

4

Strontium- 90 can cause

A. lung diseases

B. bone cancer

C. leukaemia

D. skin cancer

What is the correct answer?

4

Plants growing on sea shores show characters of

A. hydrophytes

B. mesophytes

C. xerophytes

D. halophytes

What is the correct answer?

4

Biological equilibrium is equilibrium among the

A. producers

B. producers and consumers

C. decomposers and producers

D. producers, consumers and decomposers

What is the correct answer?

4

In an ecosystem the population of

A. primary producers is larger than that of primary consumers

B. secondary consumers is the largest because they are most powerful

C. primary consumers is the least dependent upon primary producers.

D. primary consumers outnumber primary producers

What is the correct answer?

4

Smog is a combination of

A. air and water

B. water and smoke

C. smoke and fog

D. fire and water

What is the correct answer?

4

Birth rate under ideal conditions is known as

A. mortality

B. natality

C. both and

D. none of these

What is the correct answer?

4

A food-chain consists of

A. producer only

B. producers and consumers

C. consumers only

D. decomposers only

What is the correct answer?

4

Association of a sea-anemone with hermit crab living in a gastropod shell is an example of

A. mutualism

B. commensalism

C. symbiosis

D. parasitism

What is the correct answer?

4

The source of energy in an ecosystem is

A. light received from sun

B. heat liberated during respiration

C. heat liberated during fermentation

D. none of these

What is the correct answer?

4

Gas liberated in Bhopal gas tragedy was

A. methyl isocyanide

B. phenyl isocyanide

C. ethylene

D. acetylene

What is the correct answer?

4

Acid rain is

A. limited to industrial areas

B. presence of large quantity of SO^2 in the atmosphere

C. a natural phenomenon

D. presence of CO^2 in the atmosphere

What is the correct answer?

4

Pedology is the study of

A. soil

B. rocks

C. animal diseases

D. locomotion of animals

What is the correct answer?

4

One always finds many more of the prey species than of the predator. This is called a

A. food web

B. pyramid of numbers

C. pyramid of succession

D. none of these

What is the correct answer?

4

Animals which live at the bottom of the sea are called

A. leutic

B. benthic

C. pelagic

D. none of these

What is the correct answer?

4

Which one is the direct ecological factor ?

A. Soil structure

B. Wind

C. Temperature

D. Climate

What is the correct answer?

4

The most widespread form of symbiosis in nature is

A. mutualism

B. commensalism

C. predatism

D. parasitism

What is the correct answer?

4

Which of the following is an anti-forest conservation activity ?

A. Economy in timbering

B. Clear falling of trees

C. Prevention of fibres

D. Preservation of wild animals

What is the correct answer?

4

When compared to the trophic level above, the total energy present in any given trophic level is necessarily

A. greater

B. lesser

C. the same

D. very small

What is the correct answer?

4

The term "ecosystem" was first proposed by

A. A.G. Tansely

B. H.T. Odum

C. Karl Mobius

D. None of these

What is the correct answer?

4

All the living organisms on earth constitute

A. biome

B. biosphere

C. community

D. population

What is the correct answer?

4

Trophic levels are formed by

A. plants only

B. animals only

C. carnivorous animals only

D. organisms linked in food-chains

What is the correct answer?

4

The most polluted city in the world is

A. Tokyo

B. New York

C. Calcutta

D. Mexico

What is the correct answer?

4

Animals in cold regions have fur because

A. hair is a good insulating material

B. hairs trap air which acts as insulator

C. they like fur

D. none of these

What is the correct answer?

4

An organism which lives at the expense of another organism is called

A. predator

B. prey

C. host

D. parasite

What is the correct answer?

4

Which of the following is normally not an important atmospheric pollutant

A.  CO    

B. co2

C. so2

D. Hydro-carbon