500 General Science For Assam Agriculture, PNRD, Assam Police, Assam TET, SSC & Railway Exam (Part-2)

General Science

For Assam Agriculture, PNRD, Assam TET, Assam Police, Forest, DECT, APSC, Railway & SSC Exam (Part-2)

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500 General Science (Part-2)

1➤ (Q) What is the temperature at which the speed of sound in air becomes double of its value at 27°C?

Ans:- 927°C

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2➤ (Q) For television broadcasting. how much MHz frequency employed normally?

Ans:- 30-300 MHz

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3➤ (Q) Which insect spreads kala-azar?

Ans:- Sand fly

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4➤ (Q) By which enzyme is Urea converted into ammonia and carbon dioxide?

Ans:- Urease

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5➤ (Q) In the leaf of tobacco what is found?

Ans:- Nicotin

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6➤ (Q) Which property occurs in alkali metals?

Ans:- Largest atomic radil

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7➤ (Q) A number of images of a candle flame are seen in thick mirror which image will be brightest?

Ans:- The second image is the brightest

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8➤ (Q) Parthenogenesis is seen generally in which fruit?

Ans:- Grapes

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9➤ (Q) Inert gases (Except Helium) comes in which block in the periodic table?

Ans:- p-block

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10➤ (Q) Whose experiments proved that the speed of light was always the same?

Ans:- Michelson and Marley

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11➤ (Q) Why do Blood cells do not shrink in blood?

Ans:- Because blood is isotonic

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12➤ (Q) Which stem is modified to perform the function of leaf and many internodes called?

Ans:- Phylloclade

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13➤ (Q) What is the process of slow and homogeneous cooling of glass called?

Ans:- Annealing of glass

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14➤ (Q) Which is largest cell organelles?

Ans:- Plastid

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15➤ (Q) An endoscope is employed to view the internal parts of the body organ. It is based on the principle of which reflection?

Ans:- Internal reflection

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16➤ (Q) A solution contains 1 mole alcohol and 4 mole water. What will mole fraction of water and alcohol be?

Ans:- 4/5 and 1/5

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17➤ (Q) What is the process in which loss of water occurs in the form of water vapor through aerial part of plant?

Ans:- Transpiration

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18➤ (Q) A strong magnetic field is applied on a stationary electron, then how will the electron?

Ans:- Remains stationary

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19➤ (Q) Why does Pure water not conduct electricity?

Ans:- Because it is almost not ionized

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20➤ (Q) Besides water and light which is more essential as a raw material for photosynthesis?

Ans:- CO2

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