Home > General Knowledge > General Science

General Science - Questions and Answers

Practice questions on General Science.

Ready to test your skills?

Take a timed mock test specifically for General Science.

Start Mock Test
736. What should be the minimum interval between two successive blood donations ?
A. 6 weeks
B. 3 months
C. 6 minths
D. 8 months
Explanation:
737. Which of the following pairs of materials serves as electrodes in chargeable batteries commonly used in devices such as torch lights, electric shavers etc. ?
A. Iron and cadmium
B. Nickel and cadmium
C. Lead peroxide and lead
D. Zinc and carbon
Explanation:
738. Which of the following is the lightest metal ?
A. Mercury
B. Silver
C. Lithium
D. Lead
Explanation:
739. Man cannot survive without taking minimum amount of
A. Carbohydrates
B. fats
C. proteins
D. minerals
Explanation:
740. The element nickel is a
A. magnetic metal
B. radioactive metal
C. non magnetic metal
D. complex element
Explanation: