Q1. If people sleep in closed rooms where charcoal fire is burning , they die due to

A) carbon dioxide

B) carbon monoxide

C) phosgene

D) methane

βœ” Correct Answer: carbon monoxide

View Explanation β†’

Q2. The properties of several unknown solids were measured. Choose the correct option.

A) A, C, D

B) A, C

C) A, B, C, D

D) B, D

βœ” Correct Answer: A, B, C, D

View Explanation β†’

Q3. Who Invented Microwave Oven ?

A) Levi Strauss

B) Lewis Edson Waterman

C) Sir Sandford Fleming

D) Percy LeBaron Spencer

βœ” Correct Answer: Percy LeBaron Spencer

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Q4. When was Barb Wire patented

A) 1868

B) 1898

C) 1866

D) 1874

βœ” Correct Answer: 1874

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Q5. Galton’s whistle is most commonly associated with

A) Horses

B) Shark

C) Dogs

D) Elephants

βœ” Correct Answer: Dogs

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Q6. As per the news reports, MTNL recently launched its 3G service and became the first telecome operator to launch the same in India. What is the full form of 'G' in 3G

A) Generation

B) Global

C) Gravity

D) Growth

βœ” Correct Answer: Generation

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Q7. What color is a giraffe's tongue?

A) Brown

B) Purple

C) Yellow

D) Black

βœ” Correct Answer: Purple

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Q8. Dust particles in the air of large industrial cities are removed by

A) Electrophoresis

B) Sedimentation

C) Brownian movement

D) Tyndall effect

βœ” Correct Answer: Electrophoresis

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Q9. Which of the following crops Β would be preffered for sowing in order to enrich the soil with nitrogen?

A) Mustard

B) Wheat

C) Gram

D) Sunflower

βœ” Correct Answer: Gram

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Q10. Desertification refers to

A) forest improving to tundras

B) forest degrading to dense taiga

C) forest degrading to sparse vegetation

D) forest improving to deserts

βœ” Correct Answer: forest improving to deserts

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Q11. Organisms that feed on the excreta of other organisms are called

A) heterotrophs

B) autotrophs

C) saprotrophs

D) coprophagous

βœ” Correct Answer: coprophagous

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Q12. Which of the following are elements of the colder principle?

A) Repair clothing as necessary

B) Keep clothing clean and dry

C) All the above

D) Wear clothing loose and layered

βœ” Correct Answer: All the above

View Explanation β†’

Q13. When one enters a dark room after being in bright light one is not able to see anything clearly for a while because

A) the retina of the eye moves backward

B) the retina of the eye moves forward

C) the eye has no power of accommodation

D) the iris is unable to dilate the pupil immediately to be able to see things

βœ” Correct Answer: the iris is unable to dilate the pupil immediately to be able to see things

View Explanation β†’

Q14. Which of the following is malleable?

A) Gold

B) Ice

C) Pottery

D) Stone

βœ” Correct Answer: Gold

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Q15. Damage to hearing is caused by sounds which exceed

A) 80 decibles

B) 70 decibles

C) 120 decibles

D) 100 decibles

βœ” Correct Answer: 120 decibles

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Q16. Iodex, a pain relief balm, has the smell of __________ .

A) Ethyl salicylate

B) Methyl salicylate

C) Butyl salicylate

D) Propyl salicylate

βœ” Correct Answer: Methyl salicylate

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Q17. Which would provide the body with the most energy?

A) Forming bonds between two amino acids

B) Breaking a single carbon bond

C) Breaking the bonds in a monosaccharide

D) Creating bonds to form a carbohydrate

βœ” Correct Answer: Breaking the bonds in a monosaccharide

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Q18. Who invented Gramophone?

A) Fahrenheit

B) Michael Faraday

C) Thomas Alva Edison

D) Alexander Graham Bell

βœ” Correct Answer: Alexander Graham Bell

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Q19. Which of the following is not a fossil fuel?

A) Uranium

B) Natural Gas

C) Petroleum

D) Coal

βœ” Correct Answer: Uranium

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Q20. An astronaut in outer space will observe sky as

A) Black

B) White

C) Red

D) Blue

βœ” Correct Answer: Black

View Explanation β†’

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