721: 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
722: Consider the following pairs: National Park River flowing through the Park
1. Corbett National Park : Ganga
2. Kaziranga National Park : Manas
3. Silent Valley National Park : Kaveri
Which of the above pairs is/are correctly matched?
(a) 1 and 2
(b) 1 and 3
(c) 3 only
(d) None
723: The limit beyond which stars suffer internal collapse is called:
(a) Chandrashekhar limit
(b) Eddington limit
(c) Hoyle limit
(d) Fowler limit
724: Which of the following can be threats to the biodiversity of a geographical area?
1. Global warming
2. Fragmentation of habitat
3. Invasion of alien species
4. Promotion of vegetarianism
Select the correct answer using the codes given below :
(a) 1, 2 and 3 only
(b) 2 and 3 only
(c) 1 and 4 only
(d) 1, 2, 3 and 4
725: The original name of Mahabharata was
(a) Brihit Katha
(b) Sahastra Samhita
(c) Jaya Samhita
(d) Rajatarangini