General Science - Mock Test 30

Question 291

Edward Jenner is associated with?

A) Paralysis B) Cholera C) Small Pox D) Typhoid

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Question 292

During burnings of fuels, carbon and hydrogen present in the fuels are?

A) Converted into carbon dioxide and water vapour B) Released into the atmosphere C) Absorbed by the surroundings D) Converted into alkanes

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Question 293

Dry ice is?

A) ) Ice which never melts B) ) A term used for insensitive persons C) ) Solid carbon dioxide D) ) Frozen heavy water

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Question 294

Deficiency of which vitamin leads to 'Rickets' (softening of bones)?

A) Vitamin A B) Vitamin B C) Vitamin C D) Vitamin D

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Question 295

Decibel unit is used to measure?

A) Light intensity B) Sound intensity C) Magnitude of Earthquake D) None of these

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Question 296

Damping off of seedlings is caused by?

A) Phythium debaryanum B) Albugo Candida C) Peronospola parasitica D) Phytophthora infestants

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Question 297

Contact lenses are made from?

A) Teflon B) Lucite C) Polyvinyl chloride D) Polystyrene

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Question 298

Cotton fibers are made of?

A) fats B) starch C) proteins D) cellulose

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Question 299

Cow milk is a rich source of?

A) Vitamin A B) Vitamin B1 C) Vitamin C D) Vitamin D

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Question 300

Crossing?

A) Diplotene B) Leptotene C) Zygotene D) Pachytene

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