3741: Who among the following, was the President of the All-India States Peoples Conference in 1939 ?

(a) Jaya Prakash Narayan

(b) Jawaharlal Nehru

(c) Sheikh Abdullah

(d) Sardar Vallabhbhai Patel
3742: Which one of the following is associated with the issue of control and phasing out of the use of ozone-depleting substances?

(a) Bretton Woods Conference
(b) Montreal Protocol
(c) Kyoto Protocol
(d) Nagoya Protocol
3743: Zero was invented by

(a) Aryabhata

(b) Varahamihira

(c) Bhaskara I

(d) an unknown Indian
3744: Chapchar Kut is a festival celebrated in the state of

(a) Arunachal Pradesh

(b) Assam

(c) Mizoram

(d) Sikkim
3745: Assertion (A) :

Oral Rehydration Therapy (ORT) has been strongly recommended for reducing infant mortality

Reason (R) :

Gastrointestinal problems are very common among children especially in the developing countries

(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