3881: 'Water flows through a pipeline at a steady rate. At a point on the pipeline, water is withdrawn continuously through a branch line'.
Consider the following statements in this regard.
1. Pipe line beyond the branch line will not be full.
2. Flow velocity in the main line will be less after the branch line than before it.
3. Flow velocity in the main line beyond the branch line will become unsteady.
Of these statements
(a) 1 is true
(b) 2 is true
(c) 3 is true
(d) None is true
3882: Which one of the following is not an essential micronutrient for plants ?
(a) Boron
(b) Zinc
(c) Sodium
(d) Copper
3883: With reference to soil conservation, consider the following practices :
1. Crop rotation
2. Sand fences
3. Terracing
4. Wind breaks
Which of the above are considered appropriate methods for soil conservation in India ?
(a) 1, 2 and 3 only
(b) 2 and 4 only
(c) 1, 3 and 4 only
(d) 1, 2, 3 and 4
3884: When a number is divided by 13, the remainder is 6. When the same number is divided by 7, then remainder is 1. What is the number ?
3885: The term apabhramsa was used in medieval Sanskrit texts to denote
(a) outcastes among the Rajputs
(b) deviations from Vedic rituals
(c) early forms of some of the modern Indian languages
(d) non-Sanskrit verse metres