Which of the following is the best conductor of electricity?

A. Copper
B. Mica
C. Zinc
D. Silver

Which form of phosphorus is used in safety matches?·

A. White phosphorus
B. Yellow phosphours
C. Red phosphours
D. Black phosphours

The element common to all acids is:

A. Carbon
B. Hydrogen
C. Oxygen
D. Sulphur

The gas used to extinguish fire, is:

A. Neon
B. Nitrogen
C. Carbon dioxide
D. Carbon monoxide

‘Arboriculture’ is a science of:

A. The raising of silk worms for the production of raw silk
B. The cultivation of flowers, furits and ornamental plants
C. The-cultivation of trees
D. The study of insects

The substances human body produces to fight against disease germs are called:

A. Vaccines
B. Serums
C. Viruses
D. Antibodies

Green vegetables are a good source of:

A. Protein
B. Minerals and vitamins
C. Fats and oil
D. Starch

A “Normative Science” explains:

A. What is?
B. What ought to be?
C. What will be?
D. Investment theory

“Micro” means:

A. A tenth part
B. A thousandth part
C. A hundredth part
D. A millionth part

Economics is also called as

A. An art of possibility
B. A science of choices
C. A game of money
D. A circus of, fortune