CDS GENERAL SCIENCE QUIZ

Question 1:

A local wind system characterized by a flow from sea to land during the day is called sea breeze. Sea breeze is formed in areas near to sea shores due to the process of _____________ of heat.

Radiation

Emission

Conduction

Convection

Question 2:

The minimum energy required to liberate an electron from a substance is called-

Stopping potential

Kinetic energy

Work function

Potential energy

Question 3:

The band gap (EG) is the gap in energy between the bound state and the free state. The energy band gap is maximum in

Metals

Semiconductors

Superconductors

Insulator

Question 4:

What type of energy is possessed by flowing water?

Gravitational

Electrical

Kinetic

Radiant Energy

Question 5:

Which of the following is the source of radioactive pollution?

Pollution created from fuels used in atomic reactors.

Pollution created from discharge of untreated domestic sewage into rivers

Pollution created from incomplete combustion of fuels

Pollution created from fertilizers and chemical industries

Question 6:

Match the following-

A-III,B-I,C-IV,D-II

A-I,B-III,C-II,D-IV

A-III,B-II,C-I,D-IV

A-III,B-I,C-II,D-IV

Question 7:

Which of the following non-metal is used in the manufacture of gun powder?

Phosphorus

Sulphur

Nitrogen

Chlorine

Question 8:

Which of the following is a male plant genital?

Stamens

Pistil

Sepals

Style

Question 9:

Which of the following statements are correct regarding the flow of blood from the heart and lungs?

Tricuspid Valve: Allows blood to flow from the right atrium into the right ventricle.

Pulmonary valves: They open to let blood flow from your heart's left ventricle into the aorta.

Mitral valves: They allow blood to be pumped from the right ventricle into the pulmonary artery.

Aortic valves: They allow blood to flow from the lungs into the left atrium.

Question 10:

What are the different modes of heterotrophic nutrition?

Parasitic

Saprophytic

Holozoic

All of the above