Science Class 4th

21. A child may get rashes if he/she:

A) Doesn’t Bath Regularly

B) Eats Food Stale

C) Eats Too Much

D) Does Not Brush Teeth

22. Which of the following produce their own food:

A) Plants

B) Animals

C) Decomposers 

D) Both A and B

23. Animals use ______ to breathe

A) Air

B) Nitrogen

C) Carbon Dioxide

D) Oxygen

24. Air contains which of the following:

A) Nitrogen

B) Carbon dioxide

C) Oxygen

D) All of the above

25. Plants absorb ________ during day time.

A) Nitrogen

B) Carbon Dioxide

C) Oxygen

D) All of the above

26. Plants release oxygen.

A) True

B) False

27. Animals and Plants contain _______ % water.

A)  10

B) 15

C) 50

D) 70

28. All living things grow.

A) True

B) False

29. Movement of humans from one thing to another is called:

A) Brownian Motion

B) Locomotion

C) Dynamics

D) Kinetics

30. _______ shows rapid movement when touched.

A) Eggplant

B) Blossom

C) Touch me not

D) Cucumber

31. All living things cannot reproduce.

A) True

B) False

32. Frog eggs develop into _______.

A) Frogs

B) Larvae

C) Tadpods

D) Froglings

33. Some Animals lay egg while some produce ______.

A) Babies

B) Seeds

C) Adults

D) All of the above

34. Plants prepare their food in the presence of _____.

A) Sand

B) Sunlight

C) Oxygen

D) Sugar

35. A seed is transformed into a plant by the process of:

A) Reproduction

B) Growth

C) Movement

D) Nutrition

36. A Human baby is similar to humans, this property is called as:

A) Locomotion

B) Growth

C) Reproduction

D) Heredity

37. Pupa is transformed into

A) Larva

B) Adult

C) Egg

D) Baby

38. Food we eat is divided into ______ groups.

A) 2

B) 4

C) 5

D) 7

39. Which of the following provide instant energy?

A) Proteins

B) Carbohydrates

C) Lipids

D) Water

40. Food which contain _____ are meat, chicken and egg.

A) Carbohydrates

B) Proteins

C) Lipids

D) Minerals