500 General Science For Assam Agriculture, PNRD, Assam Police, Assam TET, SSC & Railway Exam (Part-19)

General Science

For Assam Agriculture, PNRD, Assam Police, Assam TET, Forest, DECT, APSC, Railway & SSC Exam (Part-19)

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500 General Science (Part-19)

1➤ (Q) Acetylene is used as an anaesthetic under which name?

Ans:- Narcylene

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2➤ (Q) In daily requirement basis which vitamin is required in largest quantity by the human body?

Ans:- Vitamin C (Ascorbic acid)

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3➤ (Q) When does not No current flows between two charged bodies?

Ans:- If they have same potential

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4➤ (Q) Denatured spirit is a mixture of ethyl alcohol, methyl alcohol and which other thing?

Ans:- Pyridine

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5➤ (Q) Consumption of fish is considered to be healthy compared to flesh of other animals why?

Ans:- Because it contains polyunsaturated fatty acids

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6➤ (Q) What is the reason for excessive solubility of ethyl alcohol in water?

Ans:- Due to hydrogen bonding with water

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7➤ (Q) Through which are the characters are transferred from parents to progeny?

Ans:- DNA

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8➤ (Q) A radioactive substance has a half life of 4 months. In how many months will three fourths of the substance will decays?

Ans:- 8 months

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9➤ (Q) The cause of fractional atomic weights of elements?

Ans:- The presence of Isotopes

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10➤ (Q) Which gas, is used for artificial ripening of fruit?

Ans:- C2H4

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11➤ (Q) Which branch of biology deal with the study of heredity?

Ans:- Genetics

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12➤ (Q) The maximum number of photo electrons released in photocell is independent of which thing?

Ans:- Frequency

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13➤ (Q) A fruity smell is produced by the reaction of C2H5OH with which formula?

Ans:- CH3COOH

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14➤ (Q) By which can Evolutionary development of a species be best studied?

Ans:- Studying fossils of this species

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15➤ (Q) What is the process by which vegetable ghee is manufactured?

Ans:- Hydrogenation

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16➤ (Q) Early atmosphere contained methane and other hydrocarbons they have been now replaced by which gas?

Ans:- Carbon dioxide

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17➤ (Q) For an electric dipole, how are the field at a point on the equatorial line and the dipole moment?

Ans:- In opposite direction

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18➤ (Q) Crop sown soon after the onset of south-west monsoon in India, what is this called?

Ans:- Kharif

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19➤ (Q) Thermal decomposition of alkanes is known as which name?

Ans:- Cracking

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20➤ (Q) If a diamagnetic substance is brought near north and south pole of a oar magnet, what will be then?

Ans:- It is Repelled by poles

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