Environment Science- Grade IX (Revision)

Which one of the following is an abiotic factor?

• Oxygen

• Temperature

• Light

• All of them

Which one of the following is a biotic factor?

• Snail

• Humidity

• Steepness of hill

• atmosphere

Which one of the following is a green house gas?

• Oxygen

• Nitrogen

• Water vapour

• Ammonia

Why do green plants need light for?

• Transpiration

• Respiration

• Photosynthesis

• Transportation

What is the amount of water vapour present in the air called?

• Cloud

• Steam

• Humidity

• Rain

Which of the following belongs to biological environment?

• Living organisms

• Air

• Water

• Both Air and Water

Which of the following factors affect the intensity of light reaching on the earth?

• Plants

• Animals

• Temperature

• Dust and smoke

Identify the natural environment.

• Aquarium

• Zoo

• Forest

• Botanical garden

Which deer is hornless?

• Black buck

• Spotted deeer

• Rein deer

• Musk deer

Which animals is mostly hunted for its skin?

• Golden monitor lizard

• Snow leopard

• Gaur

• Both snow leopard & Golden monitor lizard