3761: Which one among the following has the maximum number of National Parks?

(a) Assam

(b) Meghalaya

(c) Andaman and Nicobar Islands

(d) Arunachal Pradesh
3762: Antigen is a substance which

(a) destroys harmful bacteria
(b) is used to treat poisoning
(c) lowers body-temperature
(d) stimulates formation of antibody
3763: Isotopes of the same element differ in the number of:

(a) Protons

(b) Neutrons

(c) Electrons

(d) Positrons
3764: Which of the following phenomena might have influenced the evolution of organisms?

1. Continental drift
2. Glacial cycles

Select the correct answer using the code given below.

(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
3765: The oldest monarchy in the world is that of

(a) U.K.

(b) Nepal.

(c) Saudi Arabia

(d) Japan