Environment Class VII

_______ is the point where land, water and air meet.

What is most essential?

• Lithosphere

• Hydrosphere

• Atmosphere

Which animal would you find in the desert

• camel

• lizard

• alligator

• horse

One gene always codes for one trait.

• True

• False

Increasing levels of carbon dioxide in the air is believed to cause ___.

• Global Warming
• Water Pollution
• Non-biodegradable waste
• Recycling

Carbon is used by plants during which process?

• Respiration
• Transpiration
• Photosynthesis
• Transportation

Identical twins have identical genes.

• True

• False

Which parts of the sheep have wool ?

• Back

• Legs

• Abdomen

• Head

Gas released by the process of photosynthesis is

• carbondioxide

• oxygen

• nitrogen

• hydrogen

Two sound waves A and B are shown in the figure. Identify the correct option:

• Wave A has higher frequency than Wave B

• Wave B has higher frequency than Wave A

• Wave B produces louder sound than wave A

• The Time period of Wave A is smaller