16: 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
17: Match List I with List II and select the correct answer using the codes given below the lists :
List I (Disease)
I. Malaria
II. Poliomyelitis
III. Tuberculosis
IV. Ringworm
List II (Organism)
(A) Fungi
(B) Bacteria
(C) Virus
(D) Protozoan
Codes:
(a) I-D, II-C, III-B, IV-A
(b) I-D, II-C, III-A, IV-B
(c) I-C, II-D, III-A, IV-B
(d) I-C, II-D, III-B, IV-A
18: Anekantavada is a core theory and philosophy of which one of the following?
(a) Buddhism
(b) Vaishnavism
(c) Jainism
(d) Sikhism
19: What is Agent Orange?
(a) An ace spying group trained by the Police in London
(b) A weed-killing chemical used by the US Military in the Vietnam War
(c) A technique used in the advanced railway safety procedure
(d) A special chemical used in making alloy steel
20: Which of the following is/are tributary tributaries of Brahmaputra?
1. Dibang
2. Kameng
3. Lohit
Select the correct answer using the code given below.
(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3