500 General Science For Assam Agriculture, PNRD, Assam Police, Assam TET, SSC & Railway Exam (Part-20)

General Science

For Assam Agriculture, PNRD, Assam Police, Assam TET, Forest, DECT, APSC, Railway & SSC Exam (Part-20)

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500 General Science (Part-20)

1➤ (Q) What is a glass sided tank, bowl in which aquatic animals live?

Ans:- Aquarium

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2➤ (Q) Deficiency of which vitamin causes xerophthalmia?

Ans:- Vitamin A

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3➤ (Q) If a wire of resistivity p is stretched to double its length, then what will change in its new resistivity?

Ans:- Not change

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4➤ (Q) Cathode rays enter an electric field normal to the lines of force. Then how is their path in the electric field is ?

Ans:- Parabola

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5➤ (Q) The word “biodiversity” is a combination of which two words?

Ans:- Biology and diversity

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6➤ (Q) Which thing is the sweetest natural sugar?

Ans:- Lactose

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7➤ (Q) Jaundice in human beings affects which of the body part?

Ans:- Liver

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8➤ (Q) How many orangutans disappear each year as result of palm oil farming?

Ans:- 5000

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9➤ (Q) The sky wave propagation is suitable for radio waves of frequency form how many MHz?

Ans:- From 2 MHz to 30 MHz

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10➤ (Q) . Which is considered a hot-spot of biodiversity in India?

Ans:- Western Ghats

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11➤ (Q) Trunk of tree increases in grith due to cell division in which tissue?

Ans:- Meristematic tissue

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12➤ (Q) Which tissue in cells have lost the capicity of cell division?

Ans:- Permanent tissue

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13➤ (Q) Which scientist studied about wheat rust problem?

Ans:- K. C. Mehta

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14➤ (Q) Most of the plants obtain nitrogen from the soil in which from?

Ans:- Nitrates

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15➤ (Q) Which fungus is responsible for disease late blight of potato?

Ans:- Phytophthora infestans

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16➤ (Q) Which is responsible for red rot of sugarcane?

Ans:- Collectorichum falcatum

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17➤ (Q) Which stage of development of insect is most harmful for crop?

Ans:- Caterpillar

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18➤ (Q) In India famous Bengal famine accurred in 1942 by which disease?

Ans:- Leaf spot of rice

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19➤ (Q) Which factors are most responsible for disease in plant?

Ans:- Fungi

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20➤ (Q) Which fungus is responsible for the tikka disease of groundnut?

Ans:- Cercosplora personata

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