BstakeS1_JS2

1

2

The S.I. unit of energy is ___________

(A) L   (B) E   (C) J   (D) W

Answer:  (C) J

2

2

Which of these is NOT a mode of heat transfer?

(A) Radiation   (B) Convection 

(C) Conduction (D) Insulator

Answer:  (D) Insulator

3

2

Which of the these reagents is used to test for carbohydrates? 

(A) Iodine solution   (B) Copper sulphate solution 

(C) Alcohol   (D) Amino acid

Answer:  (A) Iodine solution

4

2

The energy possessed by a body by virtue of its position is called _____ energy.

(A) Potential   (B) Kinetic 

(C) Chemical   (D) Solar

Answer:  (A) Potential

5

2

Mathematical expression of power is ______

(A) Newton/Distance   (B) Force/Time 

(C) Work done/Time   (D) Mass/ Density

Answer:  (C) Work done/Time