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Q:

Sunspots appear dark because they are

A) hotter than the rest of the Sun's surface. B) more magnetic than the rest of the Sun's surface. 
C) cooler than the rest of the Sun's surface. D) None of the above
 
Answer & Explanation Answer: C) cooler than the rest of the Sun's surface.

Explanation:

Sunspots are a magnetic phenomenon on the Sun.

The reason a sunspot appears dark is that they are cooler than the rest of the Sun's surface and also the gas inside the spot where the magnetic field is strongest is only emitting about 1/4 as much light as from the rest of the solar surface. 

 

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Filed Under: Physics
Exam Prep: Bank Exams , CAT

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Q:

The radius of curvature of a concave mirror is 30 cm. Following Cartesian Sign Convention, its focal length is expressed as

A) -30 cm B) -15 cm
C) +30 cm D) +15 cm
 
Answer & Explanation Answer: B) -15 cm

Explanation:
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Filed Under: Physics
Exam Prep: Bank Exams

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Q:

Panthera Tigris is the scientific name of

A) Panther B) Tiger
C) Whale D) Goat
 
Answer & Explanation Answer: B) Tiger

Explanation:
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Filed Under: General Science
Exam Prep: Bank Exams

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Q:

In the following question, out of the given four alternatives, select the one which is opposite in meaning of the given word.

 

Effervescent

 

A) Bouncy   B) Lively
C) Stale D) Resilient
 
Answer & Explanation Answer: C) Stale

Explanation:
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Filed Under: English
Exam Prep: Bank Exams

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Q:

Who among the following did Gandhiji regard as his political Guru?

A) Mahadev Desai B) Dayanand Saraswati
C) Acharya Narendra Dev D) Gopal Krishna Gokhale
 
Answer & Explanation Answer: D) Gopal Krishna Gokhale

Explanation:
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Filed Under: Honours and Awards

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Q:

Who was the winner of 2017 Australian Grand Prix?

A) Sebastian Vettel B) Lewis Hamilton
C) Valtteri Bottas D) Kimi Raikkonen
 
Answer & Explanation Answer: A) Sebastian Vettel

Explanation:
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Filed Under: Honours and Awards
Exam Prep: Bank Exams

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Q:

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select theappropriate option. If a sentence is free from error, select 'No Error'.

She was (1)/ quite amusing (2)/ at that story. (3)/ No error (4)

A) 1 B) 2
C) 3 D) 4
 
Answer & Explanation Answer: B) 2

Explanation:
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Filed Under: English
Exam Prep: Bank Exams

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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
Exam Prep: Bank Exams

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