500 General Science For Assam Agriculture, PNRD, Assam Police, Assam TET, SSC & Railway Exam (Part-23)

General Science

For Assam Agriculture, PNRD, Assam Police, Assam TET, Forest, DECT, APSC, Railway & SSC Exam (Part-23)

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500 General Science (Part-23)

1➤ (Q) What is the transmission of characters from one generation to next?

Ans:- Heredity

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2➤ (Q) Who got noble prize for artificial synthesis of DNA?

Ans:- Kornberg

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3➤ (Q) What is the smallest part of DNA that undergoes recombination?

Ans:- Recon

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4➤ (Q) By whom was Artificial gene synthesis first done in laboratory?

Ans:- Khurana

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5➤ (Q) By whom the concept of survival of the fittest as advanced?

Ans:- Herbert Spencer

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6➤ (Q) From the evolutionary point of view, which is the most primitive animal?

Ans:- Turtle

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7➤ (Q) Which was the Russian scientist who proposed the theory of origin of life?

Ans:- Oparin

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8➤ (Q) Who published the book ‘Origin of species by natural selection in 1859’?

Ans:- Darwin

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9➤ (Q) Which is most primitive ancestor of man ?

Ans:- Australopithecus

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10➤ (Q) Which harmful element tobacoo exists in tobacoo ?

Ans:- Nicotine

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11➤ (Q) What is abiotic component of ecosystem?

Ans:- Water

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12➤ (Q) What is Study of inter relationship between living organism and their environment?

Ans:- Ecology

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13➤ (Q) Epiphytes are plant which depend on other plants for which purpose?

Ans:- Mechanical support

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14➤ (Q) What amount of energy transferred from one trophic level to next?

Ans:- 10%

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15➤ (Q) Plant and animal living in a particular area, what is it called?

Ans:- Community

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16➤ (Q) Reduced leaves and sunken stomata are the main feature of which thing?

Ans:- Xerophytes

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17➤ (Q) What ratio of forest area needed for ecological balance in India?

Ans:- 33.3%

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18➤ (Q) Ultimate environmental hazard to mankind, why?

Ans:- Due to Nuclear pollution

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19➤ (Q) Sound become hazardous noise pollution at which level?

Ans:- Above 80 dB

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20➤ (Q) Which energy do not have the problem of pollution?

Ans:- Sun

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