ecology and environment awareness - Category wise Question and Answer Practice Test with Solutions

Question : 1

The age of pyramid with broad base indicates

a) low percentage of young individuals

b) high percentage of old individuals

c) high percentage of young individuals

d) low percentage of old individuals

Question : 2

Habitat loss and fragmentation, over exploitation, alien species invasion and co-extinction are causes for

a) Migration

b) Biodiversity loss

c) Population explosion

d) Pollution

Question : 3

Green house gases include

a) CO₂ , O₂ , N₂ , NO₂ and NH₃

b) CH₄ , N₂ , CO₂ and NH₃

c) CO₂ , CFC, CH₄ and NO₂

d) CFC, CO₂ , NH₃ and N₂

Question : 4

Which is not a part of atmosphere ?

a) Temperature

b) Edaphic factor

c) Light

d) Precipitation

Question : 5

The animals which occupy the same trophic level are

a) Deer & Bees

b) Snakes & Earthworm

c) Lion & Bees

d) Crow & Cow