4000+ Latest Bank Exams Questions and Answers with Explanation

Q:

Who developed the idea of Crop rotation?

A) Lily Thomas	B) Carrot Cornwick
C) Cabbage Carlson	D) Turnip Townsend

Answer & Explanation Answer: D) Turnip Townsend

Explanation:

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Filed Under: Famous Personalities
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Q:

Polynucleotide chain of DNA contains

A) a nitrogenous base, deoxyribose sugar and phosphate group	B) a nitrogenous base, ribose sugar and phosphate group
C) deoxyribose sugar, ribose sugar and phosphate group	D) a nitrogenous base and phosphate group only

Answer & Explanation Answer: A) a nitrogenous base, deoxyribose sugar and phosphate group

Explanation:

The two DNA strands are called polynucleotidesbecause they are composed of simpler monomer units called nucleotides. Eachnucleotideis composed of one of four nitrogen-containingnucleobases (cytosine, guanine, adenine or thymine), a sugar called deoxyribose, and a phosphate group.

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Filed Under: Biology
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Q:

AIDS is caused by the Human Immunodeficiency Virus (HIV). The transmission of HIV infection generally occurs through

A) eating contaminated food and water	B) transfusion of contaminated blood and blood products
C) inhaling polluted air	D) shaking hand with infected person

Answer & Explanation Answer: B) transfusion of contaminated blood and blood products

Explanation:

AIDS is caused by the Human Immuno deficiency Virus (HIV), a member of a group of viruses called retrovirus, which have an envelope enclosing the RNA genome. Transmission of HIV-infection generally occurs by (a) sexual contact with infected person, (b) by transfusion of contaminated blood and blood products, (c) by sharing infected needles as in the case of intravenous drug abusers and (d) from infected mother to her child through placenta.

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Filed Under: Biology
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Q:

Find the potential energy gained by a body of mass 25 kg, if it is raised by 5 m. (use g = 10 m/s2)

A) 1250	B) 50
C) 625	D) 25

Answer & Explanation Answer: A) 1250

Explanation:

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Filed Under: Physics
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Q:

The ratio between the weights of gold and silver in an alloy is 17:3. If the weight of silver in the alloy is 2.7 gm, find the weight of gold in the alloy?

A) 12.6 gm	B) 15.3 gm
C) 18 gm	D) 21.2 gm

Answer & Explanation Answer: B) 15.3 gm

Explanation:

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Filed Under: Ratios and Proportions
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Q:

A man buys 7 shirts at Rs 300 each, 2 trousers at Rs 450 each and 1 pair of shoes at Rs 500 each. What is the average expenditure (in Rs) per article?

A) 210	B) 250
C) 320	D) 350

Answer & Explanation Answer: D) 350

Explanation:

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Filed Under: Average
Exam Prep: Bank Exams , CAT

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Q:

The instrument used to determine the rotation speed of a shaft is called

A) Speedometer	B) Tachometer
C) Anemometer	D) Chronometer

Answer & Explanation Answer: B) Tachometer

Explanation:

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Filed Under: Physics
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Q:

In August 2017, Indian Government has launched a portal to provide a platform to sell agricultural produce called ‘e-RAKAM’. What does ‘M’ stand for?

A) Market	B) Mandi
C) Management	D) Messaging

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