2331: Consider the following statements regarding bones in the human body :
1. They consist of 80% solid matter and 20% water.
2. Solid matter in the bones is made mainly of cartilage.
3. Impregnation of salts including carbonates and phosphates of lime imparts hardness to the bones.
4. In old age, the proportion of lime decreases and bones become brittle and break easily.
Of these statements :
(a) 1, 2 and 3 are correct
(b) 2 and 4 are correct
(c) 2 and 3 are correct
(d) 1, 2, 3 and 4 are correct
2332: In the context of which of the following do some scientists suggest the use of cirrus cloud thinning technique and the injection of sulphate aerosol into stratosphere?
(a) Creating the artificial rains in some regions
(b) Reducing the frequency and intensity of tropical cyclones
(c) Reducing the adverse effects of solar wind on the Earth
(d) Reducing the global warming
2333: With reference to the cultural history of India, the memorizing of chronicles, dynastic histories and Epictales was the profession of who of the following?
(a) Shramana
(b) Parivraaj
(c) Agrahaarika
(d) Magadha
2334: Which one of the following can be prorogued but cannot be dissolved ?
(a) Rajya Sabha
(b) State Council
(c) Municipal Corporation
(d) Governing Council in a Union Territory
2335: If the difference in time of the two places is 2 hours and 20 minutes, then the difference in their longitudes would be
(a) 30°
(b) 35°
(c) 40°
(d) 45°