Adaptation

A camel has thick skin to ______.

• look shiny, beautiful and be noticeable in the desert

• protect itself from extreme heat

• store water and prevent itself from sweating

• prevent feeling the pain while carrying heavy loads

If a whale becomes an amphibian one day, which of the following changes will occur?

• It will breathe using lungs.

• Its skin will become waterproof.

• It will eat small fishes.

• Its fins will turn into webbed feet.

Feathers are to birds what scales are to _____.

• bats

• turtle

• monkey

• fish

__ stores the extra food as body fat and sleeps throughout the winter to survive cold winter months.

• 
• 
• 
• 

Birds can fly easily because they have __________.

• streamlined bodies

• light and hollow bones

• body feathers

• all of the above

Shreya plucks a lotus plant from a pond near her house. She observes that it has a long hollow stem. Can you explain the function of the stem?

• To help leaves float on water

• To absorb soil

• To fix the plant to the bottom of the soil

• To make the flower beautiful

In this plant, photosynthesis occurs in the _______.

• leaves

• spines

• roots

• stem

Which term means ‘adjustment to environment’?

• Adaptation

• Mimicry

• Hibernation

• Aestivation

Which animal can be placed in group Z?

• Bird

• Frog

• Shark

• Dog

Plants in hilly areas have to bear high speed winds and cold. Which of the following adaptations best helps them face the above conditions?

• Having lots of branches and leaves.

• Tall and straight trunk with needle like leaves.

• Leaves which are modified into spines.

• Breathing roots which come above the ground