MEDIUM
7th West Bengal Board
IMPORTANT
Earn 100

With the help of an experiment establish the fact that action and reaction act on different bodies.

Important Questions on Sample Questions

MEDIUM
7th West Bengal Board
IMPORTANT
What advantages do we get from the reflection of light?
MEDIUM
7th West Bengal Board
IMPORTANT

Give one example for each of the following.

  • Rotational motion
  • Circular motion
  • Compound motion.
HARD
7th West Bengal Board
IMPORTANT
Mention some harmful effects of using too much of pesticides.
HARD
7th West Bengal Board
IMPORTANT
What physiological problems can arise if the concentration of salt in our blood increases.
MEDIUM
7th West Bengal Board
IMPORTANT
You are given two colourless aqueous solutions; one is acidic and the other is basic. How can you identify them? (You are not allowed to taste them because that is not safe)
MEDIUM
7th West Bengal Board
IMPORTANT
What are the possible dangers of obesity?
MEDIUM
7th West Bengal Board
IMPORTANT
State some symptoms of food poisoning by bacterial infections.
MEDIUM
7th West Bengal Board
IMPORTANT
State three differences between Anopheles and Culex mosquitoes.