1
The S.I. unit of energy is ___________
(A) L (B) E (C) J (D) W
Answer: (C) J
Which of these is NOT a mode of heat transfer?
(A) Radiation (B) Convection
(C) Conduction (D) Insulator
Answer: (D) Insulator
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
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
Mathematical expression of power is ______
(A) Newton/Distance (B) Force/Time
(C) Work done/Time (D) Mass/ Density
Answer: (C) Work done/Time