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
1906. The gas usually filled in the electric bulb is
A. hydrogen
B. oxygen
C. nitrogen
D. carbon dioxide
Explanation:
1907. Consider the following statements about a thermos flask : 1. It is a practical device in which the heat folowing into or out of the system by conduction, convection or radiation is reduced as much as possible. 2. It consists of a double - walled glass vessel. 3. The heat transfer by convection is minimised by silvering the surfaces and the radiation is minimised by evacuating the space between the walls.Of these, the correct ones are
A. 1 and 2
B. 2 and 3
C. 1 and 3
D. 1, 2 and 3
Explanation:
1908. A seed can germinate in the absence of
A. suitable moisture
B. suitable temperature
C. adequate light
D. supply of oxygen
Explanation:
1909. Greenhouse is
A. a building ehiefly of glass in which the temperature is very low.
B. a building in which green plants are cultivated.
C. a building chiefly of glass in which the temperature is maintained within the desired range.
D. None of these
Explanation:
1910. conservation of momentum items is not provided in a first aid box ?
A. A pair of scissors
B. Rectified spirit
C. Boric acid
D. Pain killing tablets like anacin
Explanation: