Environmental Science MCQs

Question 1

Producers are otherwise known as

Accepted Answer

Autotrophs

Answer

Organisms

Answer

Manufacturers

Answer

Organic compounds

Question 2

Decomposers are otherwise called as

Accepted Answer

Detritivores

Answer

Primary consumers

Answer

Organic matter

Answer

Secondary consumers

Question 3

The pollution which does not persistent harm to life supporting system is

Accepted Answer

Noise pollution

Answer

Radiation pollution

Answer

Organochlorine pollution

Answer

All of these

Question 4

The response of predator to prey and vice-versa, over ten of thousands of years, produces physical and behavioral changes in a process called

Accepted Answer

Co-evolution

Answer

Evolution

Answer

Origin

Answer

Development

Question 5

The most important reason why summers in the Southern Hemisphere are not warmer than summers in the Northern Hemisphere is that:

Accepted Answer

Over 80% of the Southern Hemisphere is covered with water

Answer

The earth is closer to the sun in January

Answer

The earth is farther from the sun in July

Answer

The sun's energy is less intense in the Southern Hemisphere

Question 6

The most important reason for decrease in biodiversity is

Accepted Answer

Habitat destruction

Answer

Habitat pollution

Answer

Introduction of exotic species

Answer

Over-exploitation

Question 7

Soil erosion can be prevented by

Accepted Answer

Afforestation

Answer

Deforestation

Answer

Overgrazing

Answer

Removal of vegetation

Question 8

____________ is one of the most endangered species of Indian birds

Accepted Answer

The great Indian bustard

Answer

Bee eater

Answer

Paradise fly catcher

Answer

Owl

Question 9

Acid rain contains

Accepted Answer

Sulphuric acid

Answer

Hydrochloric acid

Answer

Oxalic acid

Answer

Acetic acid