Group 1 old QP

1.The Greenhouse effect deals with :
1) Cooling of lower atmosphere
2) Warming of upper atmosphere
3) Cooling of upper atmosphere
4) Warming of lower atmosphere

2.Pace-maker is related to :
1) heart
2) lung
3) liver
4) kidney

3.Inertia is the property of :
1) force
2) strength
3) mass
4) volume

4.Tea will cool most easily in :
1) glass cup
2) metal cup
3) clay cup
4) porcelain cup

5.When there is no external force acts on a system of particles, the velocity of centre of mass of the system will be :
1) increased
2) decreased
3) zero
4) constant


6.If the momentum of a body is increased by 100%, th kinetic energy will be increased by :
1) 300%
2) 200%
3) 100%
4) 50%

7. The colour given by excess Lithium in Lithium Chloride solid is :
1) Violet
2) Green
3) Pink

4) Yellow

8.Sodium benzoate is used as a :
1) flavouring agent
2) preservative
3) colouring agent
4) antacid

9. The element used in Integrated circuits of computers is :
1) Iron
2) Magnesium
3) Aluminium
4) Silicon

10. Brass is an alloy of :
1) Copper and Aluminium
2) Copper and Tin
3) Copper and Zinc
4) Copper and Nickel