2896: With reference to food chains. In ecosystems, consider the following statements:
1. A food chain illustrates the order in which a chain of organisms feed upon each other.
2. Food chains are found within the populations of a species.
3. A food chain illustrates the numbers of each organism which are eaten by others.
Which of the statements given above is/are correct?
(a) 1 only
(b) 1 and 2 only
(c) 1, 2 and 3
(d) None
2897: Consider the following statements regarding haemoglobin
1. It contains iron
2. It is a carrier of oxygen in the blood
3. It imparts red color to the blood
4. It provides immunity against certain diseases.
Of these statements
(a) 1, 2 and 4 are correct
(b) 1, 2 and 3 are correct
(c) 1, 3 and 4 are correct
(d) 2, 3 and 4 are correct
2898: Man cannot digest cellulose whereas cows can do so because
(a) Their gut contains certain bacteria capable of digesting cellulose
(b) They have a many-chambered stomach
(c) They have efficient grinding molars
(d) They produce an enzyme cellulose which can digest cellulose
2899: Who among the following streamlined the Maratha administration after Sambhaji ?
(a) Raja Ram
(b) Balaji Viswanath
(c) Ganga Bai
(d) Nanaji Deshmukh
2900: Starting with the Australian Open Lawn Tennis tournament, which one of the following is the correct chronological order of the other three major Lawn Tennis Tournaments?
(a) French Open - US Open - Wimbledon
(b) French Open - Wimbledon - US Open
(c) Wimbledon - US Open - French Open
(d) Wimbledon - French Open - US Open