1916: Which of the following periods can be considered as the era of mass revolution?

(a) 1856-1885 A.D.

(b) 1757-1857 A.D.

(c) 1920-1947 A.D.

(d) 1901-1919 A.D.
1917: Which one of the following can be used to confirm whether drinking water contains a gamma emitting isotope or not?

(a) Microscope

(b) Lead plate

(c) Scintillation counter

(d) Spectrophotometer
1918: Consider the following statements :

The striking feature of the Jama Masjid in Kashmir completed by Zain-ul-Abidin include(s)

I. turret.

II. similarity with Buddhist pagodas.

III. Persian style.

Which of the above statements is/are correct ?

(a) I alone
(b) I, II and III
(c) II and III
(d) I and III
1919: Snake bite first affects the:

(a) Nervous system

(b) Blood circulation

(c) Brain

(d) Lungs
1920: Vitamins do not act as a/an:

(a) Source of energy

(b) Stimulant in the growth of the body

(c) Agent in regulating the chemical processes in the body metabolism

(d) All of the above