691: The loss of Qandhar was a big blow to the Mughal empire from the view point of

(a) natural resources

(b) buffer territory

(c) communication

(d) strategic stronghold
692: Mycorrhizal biotechnology has been used in rehabilitating degraded sites because mycorrhiza enables the plants to

1. resist drought and increase absorptive area

2. tolerate extremes of pH

3. resist disease infestation

Select the correct answer using the codes given below.

(a) 1 only
(b) 1 and 3 only
(c) 2 and 3 only
(d) 1, 2 and 3
693: Pneumoconiosis afflicts the workers who work mainly in:

(a) Tanneries
(b) Coal mining industry
(c) Glass industry
(d) Distilleries
694: Consider the following statements:

1. The maximum limit of shareholding of Indian promoters in private sector banks in India is 49 per cent of the paid up capital.

2. Foreign Direct Investment up to 49 per cent from all sources is permitted in private sector banks in India under the automatic route.

Which to these statements is/are correct?

(a) Only 1
(b) Only 2
(c) Both 1 and 2
(d) Neither 1 nor 2
695: Out of a total of 120 musicians in a club, 5 percent can play all the three instruments-guitar, violin and flute. It so happens that the number of musicians who can play any two and only two of the above instruments is 30. The number of musicians who can play the guitar alone is 40. What is the total number of those who can play violin alone or flute alone ?

(a) 45

(b) 44

(c) 38

(d) 30