521: The basic aim of Lead Bank Scheme is that

(a) big banks should try to open offices in each district

(b) there should be stiff competition among the various nationalized banks

(c) individual banks should adopt particular districts for intensive development

(d) all the banks should make intensive efforts to mobilize deposits
Explanation:
The lead bank scheme, launched way back in 1969, is an integrated mechanism to extend banking services to the doorsteps of consumers, especially the poor.

And this can be done only when individual banks adopt particular districts for intensive development.
522: Gilt-edged market means

(a) bullion market

(b) market of Government securities

(c) market of guns

(d) market of pure metals
Explanation:
Gilt edged market means the market of Government securities. They are Gilt edged because it is certain that interest will be paid and they will be redeemed on the due date.
523: The Minimum Alternative Tax (MAT) was introduced in the Budget of the Government of India for the year

(a) 1991-92

(b) 1992-93

(c) 1995-96

(d) 1996-97
Explanation:
The Minimum Alternative Tax (MAT) was introduced for the first time in the Budget for the year 1996-97. MAT was introduced to curb the practice of some companies achieving zero tax status by paying out huge dividends, issuing bonus shares and efficient tax planning leading to their escaping the tax net. Kelkar Committee wants MAT obolished. Now the MAT rate is 10 percent of the book profits (2006-07).
524: A balloon filled with air is weighed (W) so that it just floats in water as shown in the figure. When it is further pushed by a short distance in water, it will:

(a) Sink to the bottom.

(b) Stay at the depth where it stands submerged.

(c) Come back to its original position.

(d) Sink down a little further but will not reach the bottom.
525: Which one of the following is useful for biological control of pests?

(a) Honey bees and locusts

(b) Scorpions and spiders

(c) Wasps and birds

(d) Parrots and kites