771: When a person moves from poles to the equator, the population of plants and animals will:
(a) Increase
(b) Decrease
(c) Remain unchanged
(d) Not show any consistent behaviour
772: Milk fever in cows occurs due to the lack of:
(a) Phosphates
(b) Calcium
(c) Iron
(d) iodine
773: Which of the following is the correct group of Kharif crops?
(a) Rice, Millet, Maize, Cotton
(b) Groundnut, Bajra, Barley, Sorghum, Wheat
(c) Jowar, Bajra, Rice, Cotton, Jute, Gram
(d) Wheat, Barley, Gram, Mustard
774: With reference to Pondicherry (now Puducherry), consider the following statements:
1. The first European power to occupy Pondicherry were the Portuguese.
2. The second European power to occupy Pondicherry were the French.
3. The English never occupied Pondicherry.
Which of the statements given above is/are correct ?
(a) 1 only
(b) 2 and 3 only
(c) 3 only
(d) 1, 2 and 3
775: One local and another express train were proceeding in the same direction on parallel tracks at 29 km/hour and 65 km/hour respectively. The driver of the former noticed that it took exactly 16 seconds for the faster train to pass by him. What is the length of the faster train?
(a) 60 m
(b) 120 m
(c) 160 m
(d) 240 m