4216: In summer, man with excess perspiration feels weak, because of the:

(a) Loss of more water through evaporation

(b) Loss of salts through evaporation

(c) Loss of carbohydrates through evaporation

(d) All factors mentioned above
4217: The great Indian bustard is a/an:

(a) Animal

(b) Reptile

(c) Bird

(d) Mammal
4218: Consider the following statements :

The price of any currency in international market is decided by the

I. World Bank.
II. demand for goods/services provided by the country concerned.
III. stability of the government of the concerned country.
IV. economic potential of the country in question.

Of these statements :

(a) I, II, III and IV are correct
(b) II and III are correct
(c) III and IV are correct
(d) I and IV are correct
4219: "Go back to the Vedas" was the motto of:

(a) Swami Vivekananda

(b) Raja Ram Mohan Roy

(c) Swami Dayanand Saraswati

(d) M. G. Ranade
4220: Atoms of the same element having the same atomic number but different atomic weight are called

(a) Isobars

(b) Isotopes

(c) Polymers

(d) Isomers