CBSE Class 5 Science Question Bank MCQs

Question: The control centre of the human body is _______

a) heart

b) brain

c) liver

d) kidney

Answer: brain

Question: The most important system in our body is _______

a) Circulatory System

b) Nervous System

c) Skeletal System

d) Excretory System

Answer: Nervous System

Question: Nervous System is made of special cells called ________

a) skeletal

b) cardiac

c) neurons

d) smooth

Answer: neurons

Question: The weight of brain is about _______

a) ½ kilogram

b) 1 ½ kilograms

c) 1 kilogram

d) 2 kilograms

Answer: 1 ½ kilograms

Question: The big brain is called ______

a) Cerebellum

b) Cerebrum

c) Medulla

d) Spinal Cord

Answer: Cerebrum

Question: You should read in a proper light of __________

a) 200 watt bulb

b) 100 watt bulb

c) 40 watt bulb

d) 150 watt bulb

Answer: 100 watt bulb

Question: We have ______ sense organs.

a) 3

b) 7

c) 4

d) 5

Answer: 5

Question: Sensory nerves carry impulses from _________

a) brain to sense organs

b) sense organs to brain

c) stomach to brain

d) periphery to centre

Answer: sense organs to brain

Question: Reflex action is an _____________________ reaction.

a) autonomous

b) automatic

c) mechanized

d) involuntary

Answer: automatic

Question: Heartbeat is controlled by _______

a) The Spinal Cord

b) The Medulla

c) The Cerebellum

d) The Cerebrum

Answer: The Medulla