1. While having a discussion about birds, Claire and Brad made the following statements. Which of them is correct?
Claire: Birds have feathers to keep them warm.
Brad: Birds regulate their body temperature by basking in the sun.
a) Both Claire and Brad
b) Only Claire
c) Only Brad
d) Both of them are incorrect
Answer: b) Only Claire is right because feathers provide insulation and help keep them warm. Birds are warm-blooded so they can regulate their body temperature internally.
2. Which of the following statements is true for the birds shown in the picture?
a) They have the ability to fly but choose not to.
b) They have adapted for life in the air.
c) They are flightless birds.
d) They are not adapted to move on the ground.
Answer: c) Penguins are flightless birds and better suited for living on land and in water.
3. How do birds care for their eggs before they hatch?
a) By building nests to protect the eggs
b) By burying the eggs in the ground
c) By carrying the eggs in their beaks
d) By laying the eggs in water
Answer: a) Birds care for their eggs by building a nest.
4. Which of the following accurately describes the difference between the birds shown in the picture?
a) The ostrich is a flightless bird, while the eagle can fly.
b) The ostrich can fly, while the eagle is flightless.
c) The ostrich has hollow bones, while the eagle does not have hollow bones.
d) The ostrich does not lay eggs, while the eagle lays eggs.
Answer: a) The ostrich is a flightless bird that lacks the ability to fly, whereas the eagle is capable of flight.
5. Match the following features of birds to their respective function.
| Column I |
Column II |
| 1) Hollow Bones |
A) Keeps the birds warm |
| 2) Wings |
B) Makes the body light so that the birds can fly |
| 3) Feathers |
C) Enables the birds to fly |
a) 1:C, 2:B, 3:A
b) 1:A, 2:B, 3:C
c) 1:A, 2:C, 3:B
d) 1:B, 2:C, 3:A
Answer: d) Hollow Bones: Makes the body light so that the birds can fly.
Wings: Enables the birds to fly.
Feathers: Keeps the birds warm.
