Previous 10 Years Question Papers with Answers for TRB Science - 2

Question: 6

Quartz crystals normally used in quartz clocks etc is chemically

(A) Carbon dioxide 

(B) Germanium oxide

(C) Silicon dioxide

(D) Sodium silicate

Question: 7

The metal which is used in making jewels is

(A) Copper

(B) Platinum

(C) Silver

(D) Gold

Question: 8

Blood pressure is dependent on

(A) Peripheral resistance

(B) Cardiac output

(C) Systolic acid

(D) All of these

Question: 9

Bar is the unit of

(A) Atmospheric pressure

(B) Current

(C) Temperature

(D) Heat

Question: 10

The two metals which are called as Noble metals are

(A) Platinum and gold

(B) Platinum and mercury

(C) Gold and silver

(D) Silver and iron