Vidaara.orgClass 4 · Mathematics
CodeVID-M4-WS
Adaptations: Built to Survive — Practice Worksheet
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.
A duck's feathers stay dry because they are covered with natural…
- A.Oil
- B.Sand
- C.Wax paper
- D.Glass
2.
A polar bear keeps warm with its thick…
- A.Fur and fat
- B.Feathers
- C.Scales
- D.Shell
3.
Wide flat feet help a camel to…
- A.Swim fast
- B.Walk on soft sand without sinking
- C.Climb trees
- D.Dig deep wells
4.
A camel stores fat for energy in its…
- A.Tail
- B.Hump
- C.Ear
- D.Eye
5.
White fur helps a polar bear to…
- A.Stay cool
- B.Hide in the snow
- C.Swim faster
- D.Fly
6.
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
7.
Desert plants often have very long roots to…
- A.Climb walls
- B.Hold birds
- C.Make shade
- D.Reach water deep underground
8.
A cactus stores water in its thick…
- A.Root tip
- B.Flower
- C.Seed
- D.Stem
9.
A duck's webbed feet help it to…
- A.Fly higher only
- B.Climb trees
- C.Swim well
- D.Dig holes
10.
A fish's smooth, slippery body helps it to…
- A.Climb
- B.Fly
- C.Move easily through water
- D.Dig
11.
A fish's body shape is best described as…
- A.Square
- B.Streamlined (smooth and pointed)
- C.Flat like paper
- D.Round like a ball
12.
The desert is a very ___ place.
- A.Icy
- B.Cold and wet
- C.Hot and dry
- D.Watery
13.
Animals are adapted to suit their…
- A.Age only
- B.Favourite colour
- C.Name
- D.Habitat
14.
Adaptations usually develop in living things over a very…
- A.Single day
- B.Long time
- C.Minute
- D.Second
15.
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
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.
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
18.
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
19.
A green grasshopper sitting on green leaves is hard to spot. This is an example of…
- A.Migration
- B.Hibernation
- C.Camouflage
- D.Pollination
20.
A cactus does most of its food-making in its green stem because it has almost no…
- A.Leaves
- B.Roots
- C.Flowers
- D.Water
Answer Key
Section A — Multiple Choice (1 mark each)
- (A) Oil
- (A) Fur and fat
- (B) Walk on soft sand without sinking
- (B) Hump
- (B) Hide in the snow
- (A) To get air where the mud has little
- (D) Reach water deep underground
- (D) Stem
- (C) Swim well
- (C) Move easily through water
- (B) Streamlined (smooth and pointed)
- (C) Hot and dry
- (D) Habitat
- (B) Long time
- (B) To store energy as fat for the long sleep
Section B — Challenge / Olympiad (2 marks each)
- (D) The seeds and food it eats
- (C) Share warmth and stay warm
- (C) Air bladder
- (C) Camouflage
- (A) Leaves
Generated by Vidaara.org · Assignment VID-M4-WS · vidaara.org