1136: Azolla gives a good biofertilizer when mixed with:
(a) Blue-green algae
(b) Cow dung
(c) Bone-meal
(d) Urea
1137: Which feature of some, species of blue-green algae helps promote them as bio-fertilizers?
(a) They convert atmospheric methane into ammonia which the crop plants can absorb readily
(b) The induce the crop plants to produce the enzymes which help convert atmospheric nitrogen to nitrates
(c) They have the mechanism to convert atmospheric nitrogen into a form that crop can absorb readily
(d) The induce the roots of the crop plants to absorb the soil nitrates in larger quantities
1138: Consider the following statements :
1. Sikkim has the minimum area among the 28 Indian States (Delhi and Pondicherry not included).
2. Chandigarh has the highest literacy rate among Pondicherry, NCT of Delhi and other Union Territories.
3. Maharashtra has the highest population after Uttar Pradesh among the 28 Indian States (Delhi and Pondicherry not included).
Which of the statements given above is/are correct ?
(a) 1 only
(b) 1 and 2
(c) 2 and 3
(d) 3 only
1139: Weights of two pieces, one of gold and one of silver each weighing 100 gm were recorded on a spring balance. Then they were fully immersed in a liquid bath, by letting them hang through a light thread tied to the balance. Compare the recorded weights of the two pieces under that condition. Then
(a) The gold piece will weigh more than the silver piece
(b) The silver piece will weigh more than the gold piece
(c) The weights of the two pieces will be equal
(d) Nothing can be said without knowing the density of the liquid bath
1140: Consider the following pairs:
Large Bank : Country of origin
1. ABN Amro Bank : USA
2. Barclays Bank : UK
3. Kookmin Bank : Japan
Which of the above pairs is/are correctly matched?
(a) 1 only
(b) 1 & 2
(c) 2 only
(d) 2 & 3