471: Satellites used for telecommunication relay are kept in a geostationary orbit. A satellite is said to be in such an orbit when:
1. The orbit is geosynchronous.
2. The orbit is circular.
3. The orbit lies in the plane of the Earth's equator.
4. The orbit is at an altitude of 22,236 km.
Select the correct answer using the codes given below:
(a) 1, 2 and 3 only
(b) 1, 3 and 4 only
(c) 2 and 4 Only
(d) 1, 2, 3 and 4
472: Genetically modified "golden rice" has been engineered to meet human nutritional requirements. Which one of the following statements best qualifies golden rice ?
(a) Its modified genes cause the fortification of its grains with vitamin D grains have been fortified with genes to provide three times higher grain yield per
(b) Its modified genes cause the synthesis of all the nine essential amino acids
(c) The grains have been fortified with genes to provide three times higher grain yield per acre than other high yielding varieties
(d) Its grains contain pro-vitamin A which upon ingestion is converted to vitamin A in the human body
473: Which of the following pairs of states and their important crops are correctly matched ?
I. Kerala : Tapioca
II. Maharashtra : Cotton
III. W. Bengal : Jute
IV. Gujarat : Groundnut
Select the correct answer using the codes given below :
Codes :
(a) I, II and III
(b) I, II and IV
(c) I, III and IV
(d) II, III and IV
474: Assertion (A) :
The basic weakness of the early nationalist movement lay in its narrow social base.
Reason (R) :
It fought for the narrow interests of the social groups which joined it.
(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
475: 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