UPSC Science and technology

Q. After hatching by the hen, the young chicks come out of eggs within (a) One week (b) Two weeks […]

Q. Milk fever in cows occurs due to the lack of (a) Phosphates (b) Calcium (c) Iron (d) Iodine Show

Q. Stripes on the back of the animals are the indication of (a) Mating habit (b) Food habit (c) Cave

Q. Green plants in the sea are useful for the respiration of fish because (a) They give out oxygen (b)

Q. Higher plants take up Nitrogen as (a) Nitrites only (b) Nitrates only (c) Nitrates and ammonia (d) Urea Show

Q. It is not advisable to sleep under a tree at night because of the (a) Release of oxygen in

Q. If a large number of people are enclosed in a room, then (a) Oxygen decreases and carbon dioxide increases

Q. You are travelling in a car and a thunder storm suddenly takes place. What will be your first step?

Q. The water in an open pond remains cool even in hot summer because (a) Of continuous evaporation of water

Q. The Vitamin responsible for anti-sterile activity is (a) Vitamin A (b) Vitamin B (c) Vitamin C (d) Vitamin D