421: Pulse reading is done by doctors to find out:
(a) Temperature
(b) Heart beat
(c) Blood pressure
(d) Respiration rate
422: River Luni drains into:
(a) Ganga delta
(b) Kerala coast
(c) Rann of Kutchh
(d) Godavari delta
423: Selence-1, the lunar orbiter mission belongs to which one of the following?
(a) China
(b) USA
(c) European Union
(d) Japan
424: Which one of the following stars is nearest to the earth ?
(a) Polaris
(b) Alpha Centauri
(c) Sun
(d) Sirius
425: Assertion (A):
Harshavardhana convened the Prayag Assembly.
Reason (R):
He wanted to popularise only the Mahayana form of Buddhism.
(a) Both A and R are individually true, and R is the correct explanation of A
(b) Both A and R are individually true, but R is NOT a correct explanation of A
(c) A is true, but R is false
(d) A is fasle, but R is true