Bank PO Questions


Q:

Which statement correctly describes the role of chance in evolution?

A) An allele that increases evolutionary fitness cannot be lost from a population by chance events. B) The ultimate source of new alleles is mutation, random changes in the nucleotide sequences of an organism's DNA
C) Evolutionary change proceeds by an accumulation of changes that occur by chance. D) None of the above
 
Answer & Explanation Answer: B) The ultimate source of new alleles is mutation, random changes in the nucleotide sequences of an organism's DNA

Explanation:
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Filed Under: Biology
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1 1847
Q:

3x3x3+3+3/3 = ?

A) 11 B) 3.33
C) 31 D) None of the above
 
Answer & Explanation Answer: C) 31

Explanation:

We all know about BODMAS rule, by using that

3x3x3+3+3/3

= 3x3x3+3+1

= 27+3+1

= 27 + 4

= 31

 

Hence,  3x3x3+3+3/3 = 31.

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Filed Under: Arithmetical Reasoning
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Q:

Factors that aid venous return include all except

A) pressure changes in the thorax B) urinary output
C) activity of skeletal muscles D) venous valves
 
Answer & Explanation Answer: B) urinary output

Explanation:
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Filed Under: Biology
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4 1847
Q:

A tank-full petrol in Veeru’s Car last for 20 days. If he starts using 25% more every day, how many days will the tank-full petrol last?

A) 18 days B) 12 days
C) 14 days D) 16 days
 
Answer & Explanation Answer: D) 16 days

Explanation:

The analogy here is like this: Veeru has 20 lt of petrol and he uses 1 lt per each day and consumes it in 20 days. If he uses 1.25 lt every day, in how many days it will be consumed?
We considered 1.25 lt here because it’s 25% more than 1 lt.

The answer would be  20/1.25=16 days.

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Filed Under: Team Work
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10 1847
Q:

Alliteration is an example of what?

A) Assonance B) Consonance
C) Tongue twisters D) None of the above
 
Answer & Explanation Answer: B) Consonance

Explanation:

Alliteration is an example of Consonance. Consonance is the repetition of consonant sounds in words that are close to one another in a piece of text.

Example is "Peter Piper picked a peck of pickled peppers."

Whereas

Assonance is the repetition of vowel sounds, sometimes creating end rhymes.

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Filed Under: English
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3 1846
Q:

A genus can best be defined as

A) a taxon composed of one or more species and a classification level lying below family B) a taxon composed of families
C) the most specific taxon D) a taxon comprised of classes
 
Answer & Explanation Answer: A) a taxon composed of one or more species and a classification level lying below family

Explanation:

A genus can best be defined as a taxon composed of one or more species and a classification level lying below family.

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Filed Under: Biology
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1 1845
Q:

Which statement describes the amount of rainfall in grasslands?

A) more than deserts B) less than forests
C) Both A & B D) None of the above
 
Answer & Explanation Answer: C) Both A & B

Explanation:
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Filed Under: World Geography
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2 1844
Q:

Who has become the first ever Indian shuttler to enter a badminton final at the Asian Games?

A) Saina Nehwal B) PV Sindhu
C) Hima Das D) None of the above
 
Answer & Explanation Answer: B) PV Sindhu

Explanation:
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Filed Under: Sports
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2 1843