526: The Ghadr (Ghadar) was a
(a) revolutionary association of Indians with headquarters at San Francisco
(b) nationalist organization operating from Singapore
(c) militant organization with headquarters at Berlin
(d) communist movement for India's freedom with headquarters at Tashkent
527: Man cannot digest cellulose whereas cows can do so because
(a) Their gut contains certain bacteria capable of digesting cellulose
(b) They have a many-chambered stomach
(c) They have efficient grinding molars
(d) They produce an enzyme cellulose which can digest cellulose
528: The parent script of the Indo-Aryan and Dravidian language is
(a) Indus
(b) Brahmi
(c) Kharosti
(d) Aramic
529: Consider the following statements :
1. Natural gas occurs in the Gondwana beds.
2. Mica occurs in abundance in Kodarma.
3. Dharwars are famous for petroleum.
Which of the statements given above is / are correct?
(a) 1 and 2
(b) 2 and 3
(c) 2 only
(d) None
530: In an examination, every candidate took Physics or Mathematics or both. 65.8% took Physics and 59.2% took Mathematics. The total number of candidates was 2000. How many candidates took both Physics and Mathematics ?
(a) 750
(b) 500
(c) 250
(d) 125