Science Based GK from HSSC Question Papers

Q. What is the chemical name of common salt?

Ans. A. Sodium Chloride 

Q. Who is associated with the theory of relativity?

Ans.  Einstein

Q. Which of the following is converted into glucose in the human body before being utilized to provide energy ?

Ans. Carbohydrates 

Q. Excess of water that the plants absorb is lost to the air mostly through the ?

Ans. Upper surface of the leaf

Q. A person want to see his full erect image in the same size, which of the following can he use?

Ans. Convex mirror

Q. Chemical formula of water is?

Ans. H_2o

Q. Vitamin B1 deficiency causes ?

Ans. Beri-Beri

Q. The major harmful gas emitted by automobile vehicle which causes air pollution is ?

Ans. Carbon mono-oxide 

Q. Which among the following is a water borne disease ?

Ans. Cholera.

Q. The condition called simple goitre is caused due to the deficiency of ?

Ans. Thyroxine secretion 

Q. Which of the following is not an elementary particle ?

Ans. Photon 

Q. Meningitis is a disease which affects the 

Ans. Brain 

Q.  What causes common cold?

Ans. Virus 

Q. Turpentine oil is extracted from which tree ?

Ans. Pine 

Q. In which part of the earth is value of 'g' is maximum ?

Ans. Poles 

Q. Which organ is called "graveyard of RBC" ?

Ans. Spleen

Q. Greenockite is the ore of which metal ?

Ans. Cadmium 

Q. Rain drops are spherical in shape due to ?

Ans. Surface tension 

Q. Baking soda is -

Ans. Sodium Bicarbonate 

Q. Acid rain contains ?

Ans. Both Sulphuric Acid and Nitric Acid  

Q. Ecology means-

Ans.  The study of the relationship of organisms with their environment.

Q. Two simple pendulums have the same period of oscillation. The necessary condition for this is ?

Ans. The masses of the suspended particles must be in the inverse ratio of the lengths of the pendulums.

Q. Which one of the following metals does not react with water to produce Hydrogen ?

Ans. Cadimium

Q. From which of the following trees quinine is obtained?

Ans, Cinchona

Q. The hardest part of human body is ? 
Ans. Enamel 
Q. Dry ice is 
Ans. Solid carbon dioxide 

Q. The image formed by a pin hole camera is 
Ans. Real and Inverted 

Q. The material used in the manufacture of lead pencil is 
Ans. Graphite 

Q. The number of chambers in the human heart is 
Ans. 4 

Q. Alcoholic beverages are generally made of 
Ans. Ethanol 

Q. Plaster of Paris is made from 
Ans. Gypsum 

Q. Small Pox is caused by ?
Ans. Variola Virus 

Q. The age of Earth can be determined by ?
Ans. Radiometric dating

Q. This is bacterial disease ?
Ans. Gonorrhoea 

Q. Laughing gas is the name given to
Ans. Nitrous oxide 

Q. A red light is used in traffic signals because ?
Ans. It has the longest wave length and can be seen from a long distance.

Q. Carbon mono-oxide is an inflammable gas, which one of the following is also inflammable gas?
Ans. Hydrogen 

Q. Angioplasty is a procedure of clearing ?
Ans. The blocked coronary arteries 

Q. When you break a bar magnet into two pieces you get ?

Ans. Two shorter complete magnets