1731: The tropical deciduous trees shed their leaves in summer:

(a) Leaves get dried up due to the excessive heat

(b) To prevent excessive loss of water through transpiration

(c) Because rainfall is inadequate

(d) Days are longer
1732: In the given figure, all line segments of the shaded portion are of the same length and at right angles to each other. The same can be cut out of a board of side 10 cm. What is the area of the shaded portion ?


(a) 36 cm2
(b) 48 cm2
(c) 52 cm2
(d) 64 cm2
1733: Consider the following statements:

1. The Standard Mark of Bureau of Indian Standards (BIS) is mandatory for automotive tyres and tubes.

2. AGMARK is a quality Certification Mark issued by the Food and Agriculture Organisation (FAO).

Which of the statements given above is/are correct?

(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
1734: Match List I (Ores) with List II (States where they are mined) and select the correct answer by using the codes given below the lists :
List I List II
I. Manganese (A) Madhya Pradesh
II. Nickel (B) Orissa
III. Lead-zinc (C) Rajasthan
IV. Asbestos (D) Andhra Pradesh
Codes:
(a) I - A, II - C, III - B, IV - D
(b) I - D, II - C, III - B, IV - A
(c) I - A, II - B, III - C, IV - D
(d) I - D, II - B, III - C, IV - A
1735: Recently, Indias first National Investment and Manufacturing Zone was proposed to be set up in

(a) Andhra Pradesh
(b) Gujarat
(c) Maharashtra
(d) Uttar Pradesh