316: The purpose of the inclusion of Directive Principles of State Policy in the Indian Constitution is to establish :
(a) political democracy
(b) social democracy
(c) Gandhian democracy
(d) social and economic democracy
317: Assertion (A) : A jet aircraft moving at Mach Number equal to 1 travels faster at an altitude of 15 km than while moving at mach number equal to 1 near the sea level.
Reason (R) : the velocity of sound depends on the temperature of the surrounding medium.
(a) Both A and R are individually true and R is the correct explanation of A
(b) Both A and R are individually true but R is not the correct explanation of A
(c) A is true but R is false
(d) A is false but R is true
318: Which of the following has the highest calories per gram?
(a) Proteins
(b) Fats
(c) Sugar
(d) Glucose
319: Which one of the following pairs does not form part of the six systems of Indian Philosophy?
(a) Mimamsa and Vedanta
(b) Nyaya and Vaisheshika
(c) Lokayata and Kapalika
(d) Sankhya and Yoga
320: Which one of the following texts of ancient India allows divorce to a wife deserted by her husband ?
(a) Kamasutra
(b) Manavadharmashastra
(c) Sukra Nitisara
(d) Arthashastra