2726: Consider the following statements :
1. Caffeine, a constituent of tea and coffee is a diuretic.
2. Citric acid is used in soft drinks.
3. Ascorbic acid is essential for the formation of bones and teeth.
4. Citric acid is a good substitution for ascorbic acid in our nutrition.
Which of the statements given above are correct ?
(a) 1 and 2, only
(b) 1, 2 and 3, only
(c) 3 and 4 only
(d) 1, 2, 3 and 4
2727: Who among the following translated the Autobiography of Madam Curie in Hindi?
(a) Gobind Vallabh Pant
(b) Atal Bihari Vajpayee
(c) Choudhary Charan Singh
(d) Lal Bahadur Shastri
2728: Which of the following types is used by computed tomography employed for visualization of the internal structure of human body ?
(a) Magnetic resonance
(b) X-rays
(c) sound Waves
(d) Radioisotopes
2729: What is the most important factor for the growth of pests in stored grains?
(a) The moisture of grains
(b) The temperature of grains
(c) The moisture and temperature of grains
(d) None of the above
2730: With reference to the cultural history of India, the term 'Panchayatan' refers to
(a) an assembly of village elders
(b) a religious sect
(c) a style of temple construction
(d) an administrative functionary