Mock Test: Science Questions
Que-1. Match Column I with Column II.
Column I Column II
(item) (Toxic Substance)
- CFL lamp 1. Nitrogen oxide
- Automobile battery 2. Phthalates
- Polymer 3. Lead
- Diesel engine 4. Mercury
Codes
A B C D
(a) 4 3 2 1
(b) 3 2 1 4
(c) 2 1 4 3
(d) 1 4 3 2
Que-2. Assertion (A) Methane is one of the major GHGs (Green House Gases).
Reason (R) Methane has more potential for global warming then carbon dioxide.
(a) Both A and R are true and R is correct explanation of A.
(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true.
Que-3. Match Column I with Column II.
Column I Column II
- Primary pollutants 1. PAN, O3, Cl
- Secondary pollutants 2. H2SO4
- Bhopal gas tragedy 3. SO2, CO
- Stone leprosy 4. Methyl isocyanate
Codes
A B C D
(a) 3 1 4 2
(b) 1 4 2 3
(c) 4 2 3 1
(d) 2 3 1 4
Que-4. Consider the following statements
- Baking soda is used in fire extinguishers.
- Quicklime is used in the manufacture of glass.
- Gypsum is used in the manufacture of Plaster of Paris.
Which of the statement(s) given above is/are correct?
(a) 1 and 2
(b) 2 and 3
(c) Only 1
(d) 1, 2 and 3
Que-5. Consider the following statements
- The chlorine gas is used for the manufacture of bleaching powder.
- Bleaching powder is used for disinfecting.
- Bleaching powder is used for bleaching cotton and linen in the textile industry.
Which of the statements given above are correct?
(a) 1 and 2
(b) 1 and 3
(c) 2 and 3
(d) 1, 2 and 3
Que-6. Regular intake of fresh fruits and vegetables is recommended in the diet since they are a good source of antioxidants. How do antioxidants help a person maintain health and promote longevity?
(a) They activate the enzymes necessary for vitamin synthesis in the body and help prevent vitamin deficiency
(b) They prevent excessive oxidation of carbohydrates, fats and proteins
(c) They neutralize the free radicals produced in the body during metabolism
(d) They activate certain genes in the cells of the body and help delay the ageing process
Que-7. In the context of global oil prices. “Brent crude oil” is frequently in the news. What does this term imply?
- It is a major classification of crude oil.
- It is sourced from North Sea.
- It does not contain sulphur.
Which of the statement(s) given above is/are correct?
(a) Only 2
(b) 1 and 2 Only
(c) 1 and 3 Only
(d) 1, 2 and 3
Que-8. Consider the following
- Carbon dioxide
- Oxides of nitrogen
- Oxides of sulphur
Which of the above is/are the emission/emissions from coal combustion at thermal power plants?
(a) Only 1 (b) 2 and 3
(c) 1 and 3 (d) 1, 2 and 3
Que-9. Assertion (A) cellulose is used in making shatter-proof glass.
Reason (R) Polysaccharides are not soluble in water.
Codes
(a) Both A and R are true and R is correct explanation of A.
(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true.
Que-10. Most of the carbon dioxide in the blood is carried in the form of
(a) Carbonic acid.
(b) Bicarbonates
(c) Carbaminohemoglobin
(d) Dissolved CO2
Solutions to Science Question Mock test :-
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