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CodeVID-M4-WS
Adaptations: Built to Survive — Practice Worksheet
Chapter: Adaptations: Built to Survive
Topic: Adaptations: Built to Survive
Maximum Marks: 25
Time: 30 minutes
Name: ____________________ Roll No.: __________ Date: ____________

General Instructions

  • All questions are compulsory.
  • Choose the correct option (A, B, C or D) for each question.
  • The answer key is at the end — try the paper first!
Section A — Multiple Choice (1 mark each) 15 × 1 = 15 marks
1.
Adaptations help an animal to…
  • A.Watch TV
  • B.Survive in its habitat
  • C.Read books
  • D.Drive cars
2.
A cactus stores water in its thick…
  • A.Root tip
  • B.Flower
  • C.Seed
  • D.Stem
3.
A camel's long eyelashes keep out…
  • A.Food
  • B.Water
  • C.Snow
  • D.Sand and dust
4.
A duck's feathers stay dry because they are covered with natural…
  • A.Oil
  • B.Sand
  • C.Wax paper
  • D.Glass
5.
Why does a bear eat a lot of food before hibernation?
  • A.To grow taller
  • B.To store energy as fat for the long sleep
  • C.To clean teeth
  • D.To swim
6.
Adaptations usually develop in living things over a very…
  • A.Single day
  • B.Long time
  • C.Minute
  • D.Second
7.
A layer of fat under the skin that keeps cold animals warm is called…
  • A.Shell
  • B.Bone
  • C.Hair
  • D.Blubber
8.
A fish's smooth, slippery body helps it to…
  • A.Climb
  • B.Fly
  • C.Move easily through water
  • D.Dig
9.
A special body part or habit that helps a living thing survive is called an…
  • A.Adaptation
  • B.Accident
  • C.Holiday
  • D.Game
10.
White fur helps a polar bear to…
  • A.Stay cool
  • B.Hide in the snow
  • C.Swim faster
  • D.Fly
11.
A camel can go many days without…
  • A.Drinking water
  • B.Sleeping
  • C.Standing
  • D.Breathing
12.
Plants on snowy mountains are often shaped like a cone so snow can…
  • A.Stay forever
  • B.Pile up
  • C.Slide off easily
  • D.Turn to rain
13.
Fish swim using their fins and…
  • A.Hands
  • B.Legs
  • C.Wings
  • D.Tail
14.
Why do mangrove plants near the sea have roots that stick up out of the mud?
  • A.To get air where the mud has little
  • B.To catch fish
  • C.To make flowers
  • D.To swim
15.
The desert is a very ___ place.
  • A.Icy
  • B.Cold and wet
  • C.Hot and dry
  • D.Watery
Section B — Challenge / Olympiad (2 marks each) 5 × 2 = 10 marks
16.
A desert rat rarely drinks water. It gets most of its water from…
  • A.Ice
  • B.The sea
  • C.Rain daily
  • D.The seeds and food it eats
17.
Why would a polar bear's white fur be a poor adaptation in a green forest?
  • A.It is too soft
  • B.It is too warm
  • C.It is too heavy
  • D.It would stand out instead of hiding
18.
Floating water plants have air spaces in their leaves and stems to help them…
  • A.Sink
  • B.Stay afloat on water
  • C.Burn
  • D.Fly
19.
Penguins huddle together in big groups in the cold mainly to…
  • A.Find food
  • B.Play games
  • C.Share warmth and stay warm
  • D.Look bigger
20.
A fish that floats up and down by filling a tiny air bag inside is using its…
  • A.Eyes
  • B.Tail only
  • C.Air bladder
  • D.Scales

Answer Key

Section A — Multiple Choice (1 mark each)
  1. (B) Survive in its habitat
  2. (D) Stem
  3. (D) Sand and dust
  4. (A) Oil
  5. (B) To store energy as fat for the long sleep
  6. (B) Long time
  7. (D) Blubber
  8. (C) Move easily through water
  9. (A) Adaptation
  10. (B) Hide in the snow
  11. (A) Drinking water
  12. (C) Slide off easily
  13. (D) Tail
  14. (A) To get air where the mud has little
  15. (C) Hot and dry
Section B — Challenge / Olympiad (2 marks each)
  1. (D) The seeds and food it eats
  2. (D) It would stand out instead of hiding
  3. (B) Stay afloat on water
  4. (C) Share warmth and stay warm
  5. (C) Air bladder
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