891: Assertion (A) :
Large cold storage plants use ammonia as refrigerant while domestic refrigerators use chlorofluorocarbons.
Reason (R) :
Ammonia can be liquefied at ambient temperatures at low pressures.
(a) Both A and R are true, and R is the correct explanation of A
(b) Both A and R are true, but R is not a correct explanation of A
(c) A is true, but R is false
(d) A is false, but R is true
892: Match List I (Artist) with List II (Art) and select the correct answer using the codes given below the lists:
List I List II
(Artist) (Art)
A. Hiren Bhattacharya 1. Bharatanatyam dance
B. Malini Rajurkar 2. Hindustani vocal music
C. Pratibha Prahlad 3. Kuchipudi dance
D. Vempati Chinna Satyam 4. Puppetry
Codes:
A B C D
(a) 4 2 1 3
(b) 3 1 2 4
(c) 4 1 2 3
(d) 3 2 1 4
893: Assertion
Solar eclipse occurs on a new moon day
Reason
Moon is in conjunction with the sun
(a) if A and R both are correct and R is the correct explanation of A
(b) if A and R both are correct but R is not the correct explanation of A
(c) if A is correct and R is incorrect
(d) if A is incorrect and R is correct
894: Consider the following statements regarding Kautilya's Arthshastra
1. It places morality higher than political expediency
2. It argues the case for a fully-centralised government for the empire
3. It deals with problems of administration as well as laws of property and crime
4. It includes section on government of the State and diplomatic relations with other States
Of these statements
(a) 1, 2 and 3 are correct
(b) 2 and 3 are correct
(c) 3 and 4 are correct
(d) 1, 2 and 4 are correct
895: Isotopes of the same element differ in the number of:
(a) Protons
(b) Neutrons
(c) Electrons
(d) Positrons