3126: Higher plants take up Nitrogen as:
(a) Nitrites only
(b) Nitrates only
(c) Nitrates and ammonia
(d) Urea
3127: Three of the following criteria have contributed to the recognition of western Ghats-Sri Lanka and Indo-Burma regions as hotspots of biodiversity:
1. Species richness
2. Vegetation density
3. Endemism.
4. Ethno-botanical importance
5. Threat perception
6. Adaptation of flora and fauna to warm arid humid conditions
Which three of the above are correct criteria in this context?
(a) 1, 3 and 5
(b) 3, 4 and 6
(c) 1, 2 and 6
(d) 2, 4 and 6
3128: Consider the following statements:
1. Molasses is a by-product of sugar production process.
2. Bagasse obtained in the sugar mills is used as a fuel in the boilers to generate steam for the sugar factories.
3. Sugar can only be produced from sugarcane as the raw material.
Which of these statement are correct?
(a) 1 and 2
(b) 2 and 3
(c) 1 and 3
(d) 1, 2 and 3
3129: Which of the following metals is used in the electromagnets?
(a) Soft iron
(b) Stainless steel
(c) Cobalt
(d) Copper
3130: Which of the following proposals were made by the Cripps Mission?
(i) Participation of Indian States in the Constitution-making body
(ii) Forming separate State for the Muslims
(iii) Election of the Constitution-making body by the members of the lower house of the Provincial Legislature
(a) (i) and (ii)
(b) (i) and (iii)
(c) (ii) and (iii)
(d) (i), (ii) and (iii)