1646: Among the following commodities imported by India during the year 2001-02, which one was the highest in terms of Rupee value?

(a) Edible oil
(b) Fertilizers
(c) Organic and inorganic chemicals
(d) Pearls, precious and semi-precious stones
1647: Neap tides are produced in the first and third quarters of the Moon. Then,

(a) The Moon and the Sun are in conjunction with the other planets

(b) The Moon and the Sun are in opposition with each other

(c) The attractions of the Sun and the Moon are at right angles to each other

(d) The Moon and the Sun are in quadrant position to each other
1648: The first Civil Disobedience Movement was started by Gandhiji after the:

(a) Rowlatt Act of 1919

(b) Jallianwala Bagh massacre in 1919

(c) Chauri Chaura incident in 1922

(d) Arrival of Cripps Mission in 1942
1649: Which one of the following pairs is correctly matched ?

(a) Teak : Jammu and Kashmir
(b) Deodar : Madhya Pradesh
(c) Sandalwood : Kerala
(d) Sundari : West Bengal
1650: Why does the Government of India promote the use of 'Neem-coated Urea' in agriculture?

(a) Release of Neem oil in the soil increases nitrogen fixation by the soil microorganisms
(b) Neem coating slows down the rate of dissolution of urea in the soil
(c) Nitrous oxide, which is a greenhouse gas, is not at all released into atmosphere by crop fields
(d) It is a combination of a weedicide and a fertilizer for particular crops