Q:

The International Waste Picker's Day is observed on which date?

A) 1 March	B) 3 March
C) 5 March	D) 7 March

Answer & Explanation Answer: A) 1 March

Explanation:

The International Waste Picker's Day is observed on 1st March in memory of the massacre in Colombia in which 11 workers were brutally killed University of Barranquilla.

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Filed Under: Important Days and Years
Exam Prep: Bank Exams

1 9577

Q:

Which insect sits on uncovered food?

A) bees	B) flies
C) Both A & B	D) None of the above

Answer & Explanation Answer: C) Both A & B

Explanation:

Both flies and bees can sit on the uncovered food and contaminate the food.

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Filed Under: General Science
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

16 9573

Q:

Sound waves cannot travel in

A) Vacuum	B) Water
C) Glass	D) Hydrogen gas

Answer & Explanation Answer: A) Vacuum

Explanation:

A Sound wave needs a medium for propogation. Hence, Sound cannot travel through a vacuum.

A vacuum is an area without any air, like space. So sound cannot travel through space because there is no matter for the vibrations to work in.

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Filed Under: Physics
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

6 9564

Q:

Computer process data into information by working exclusively with

A) numbers	B) multimedia
C) characters	D) words

Answer & Explanation Answer: C) characters

Explanation:

Computers process data into information by working exclusively with characters.

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Filed Under: Computer
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO , IT Trainer

13 9560

Q:

Dicotyledonous weeds are destroyed by a chemical called

A) Indole - acetic acid	B) 2- 4 dichlorophenoxy acetic acid
C) Abscisic acid	D) Naphthalene acetic acid

Answer & Explanation Answer: B) 2- 4 dichlorophenoxy acetic acid

Explanation:

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Filed Under: Biology

68 9560

Q:

Which of the following carbon compounds is used as a fire- extinguisher?

A) Carbon disulphide	B) Chloroform
C) Carbon tetrachloride	D) Methyl ene chloride

Answer & Explanation Answer: C) Carbon tetrachloride

Explanation:

Vapour of carbon tetra chloride $(c c l_{4})$ is non-inflammable and is heavier than air. Hence it is used as a fire extinguisher under the trade name of pyrene.

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Filed Under: Chemistry

16 9557

Q:

How much water can be used by a camel in drinking in a single time ?