571: Which of the following crops has the highest photosynthetic activity?

(a) Cotton

(b) Sugarcane

(c) Rice

(d) Wheat
572: The paintings of Abanindranath Tagore are classified as

(a) realistic

(b) socialistic

(c) revivalistic

(d) impressionistic
573: When one enters a dark room, he is not able to see anything but after some time his vision improves. This is because:

(a) The retina of the eye comes forward

(b) The retina of the eye moves backward

(c) The pupil of the eye contracts

(d) The pupil of the eye dilates
574: 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
575: Which one of the following companies is associated with the exploration and commercial production of oil in Barmer-Sanchore basin of Rajasthan?

(a) Cairn Energy
(b) ONGC
(c) Reliance Energy Ventures
(d) Reliance Energy Ventures