LIVING WORLD PART 2

Which one of the following gases is needed in order to live?

• Oxygen

• Carbon dioxide

• Nitrogen

• Helium

Choose the correct alternative: Inhaling oxygen and exhaling the carbon dioxide formed in the body due to the use of oxygen is called ------

• Excretion

• Respiration

• Growth

• Reproduction

Choose the correct alternative: To inhale ---------- and exhale -------------- is called respiration.

• Oxygen, Nitrogen

• Carbon dioxide, Oxygen

• Oxygen, carbon dioxide

• Xenon, Neon

Aditi is exploring a vibrant underwater world filled with various fish. She notices that the fish are swimming gracefully and seem to be breathing effortlessly. Curious about how they manage to breathe underwater, she wonders which organ is responsible for their breathing.

• Gills

• Lungs

• Skin (cuticle)

• Spiracles

Which one of the following organs helps the caterpillar to breathe?

• Gills

• Spiracles

• Lungs

• Nose

Which one of the following organs helps an earthworm to breathe?

• Skin (Cuticle)

• Spiracles

• Lungs

• Nose

Which one of the following organs helps a crane to breathe?

• Skin (Cuticle)

• Spiracles

• Lungs aided with air sacs

• Nose

Which one of the following organs helps a banyan tree to breathe?

• Skin (Cuticle)

• Tiny pores on the leaves

• Lungs aided with air sacs

• Nose.

Which one of the following organs helps a snake to breathe?

• Lungs

• Tiny pores on the leaves

• Lungs aided with air sacs

• Nose

Which one of the following organs helps a man to breathe?

• Lungs, Diaphragm

• tiny pores on the leaves

• Lungs aided with air sacs

• Nose.