536: Raja Rammohan Roy was supporter of:

(a) Sati

(b) Widow re-marriage

(c) Child marriage

(d) Learning of Sanskrit
537: Assertion (A) : Cellulose is used in making shatter proof glass.

Reason (R) : Polysaccharides are not soluble in water.

(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
538: Who was the last ruler of the Tughluq dynasty of the Delhi Sultanate?

(a) Firoz Shah Tughluq

(b) Ghiyas-ud-din Tughluq Shah II

(c) Nasir-ud-din Mahmud

(d) Nasrat Shah
539: With reference to the United Nations, consider the following statements:

1. The Economic and social council (ECOSOC) of UN consists of 24 member States.

2. It is elected by a 2/3rd majority of the General Assembly for a 3-year term.

Which of the statements given above is/are correct?

(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
540: Which pair is correct ?

(a) Sea horse, Sea cucumber, Sea urchin

(b) Star fish, Cuttle fish, Dog

(c) House fly, Dragon fly, Butterfly

(d) Earthworm, Ringworm, Tapeworm