CBSE Class 3 Science The Human Body MCQs

Question: Who controls all the body parts?

a) brain

b) stomach

c) lungs

d) kidneys

Answer: brain

Question: Messages from all parts of the body keep coming to the brain through our

a) nerves

b) carbon-dioxide

c) oxygen

d) blood

Answer: nerves

Question: The brain and nerves make up our

a) nervous system

b) digestive system

c) circulatory system

d) skeletal system

Answer: nervous system

Question: Different organs together make an

a) organ system

b) skin

c) muscles

d) brain

Answer: organ system

Question: The frame work of bones is called

a) skeleton

b) muscles

c) kidney

d) lungs

Answer: skeleton

Question: How many bones are there in our body?

a) 206

b) 300

c) 219

d) 375

Answer: 206

Question: The soft parts of our body are the

a) heart

b) blood

c) bones

d) muscles

Answer: heart

Question: The process of breaking down of food into tiny simple pieces is called

a) digestion

b) excretion

c) circulation

d) nutrition

Answer: digestion

Question: The _______ that takes the food from the mouth to the stomach.

a) food pipe

b) wind pipe

c) nerves

d) saliva

Answer: food pipe

Question: The _______ takes food to all the parts of the body

a) blood

b) saliva

c) heart

d) lungs

Answer: blood

Question: The blood flows through pipes called

a) blood vessels

b) oxygen

c) food pipe

d) wind pipe

Answer: blood vessels

Question: Blood is pumped throughout our body by the

a) heart

b) kidney

c) kidney

d) stomach

Answer: heart

Question: The heart, blood and blood vessels make up the

a) circulatory system

b) nervous system

c) skeletal system

d) excretory system

Answer: circulatory system

Question: The nose, windpipe and lungs make up the

a) respiratory system

b) nervous system

c) skeletal system

d) excretory system

Answer: respiratory system

Question: We inhale air through our

a) nose

b) lungs

c) ear

d) eyes

Answer: nose

Question: Which system removes the waste material from our body?

a) excretory

b) nervous

c) circulatory

d) skeletal

Answer: excretory

Question: The kidney throw out ________ from the body?

a) urine

b) blood

c) oxygen

d) water

Answer: urine

Question: Intestines are the part of which organ system?

a) digestive

b) circulatory

c) excretory

d) nervous

Answer: digestive

Question: Which of the following are present in pairs?

a) lungs

b) stomach

c) nose

d) mouth

Answer: lungs

Question: Which of the following helps us to taste?

a) tongue

b) nose

c) ear

d) skin

Answer: tongue

Question: Stomach is the part of which organ system

a) digestive

b) respiratory

c) nervous

d) skeletal

Answer: digestive

Question: How many sense organs do we have?

a) 5

b) 6

c) 9

d) 10

Answer: 5

Question: We smell through our

a) nose

b) mouth

c) ears

d) skin

Answer: nose

Question: Seeing, hearing, smelling, tasting and feeling are our

a) sense

b) organs

c) emotions

d) thinking

Answer: sense