Bank PO Questions and Answers with Explanation, Job Roles

Q:

The fastest growing plant is ______ ?

A) Ashoka	B) Banyan
C) Eucalyptus	D) Rose

Answer & Explanation Answer: C) Eucalyptus

Explanation:

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

32 7167

Q:

If the radius of a circle is decreased by 50% , find the percentage decrease in its area.

A) 75%	B) 65%
C) 35%	D) 25%

Answer & Explanation Answer: A) 75%

Explanation:

let original radius = r and new radius = (50/100) r = r/2

original area = ${πr}^{2}$ and new area = $π {(r / 2)}^{2}$

decrease in area = $3 {πr}^{2} / 4$ * $\frac{1}{{πr}^{2}}$ *100 = 75%

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Filed Under: Area
Exam Prep: Bank Exams
Job Role: Bank PO

0 7167

Q:

Who is the father of Tissue Culture ?

A) Gautheret	B) Haberlandt
C) Bonner	D) Laibach

Answer & Explanation Answer: B) Haberlandt

Explanation:

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Filed Under: General Science
Exam Prep: AIEEE , Bank Exams
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14 7158

Q:

Gammaxene, D.D.T. & Bleaching powder are important compounds of

A) Nitrogen	B) Phosphorus
C) Chlorine	D) Sulphur

Answer & Explanation Answer: C) Chlorine

Explanation:

Gammaxene, D.D.T. & Bleaching powder are important compounds of Chlorine.

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

5 7157

Q:

Which value is equal to 5% of 1,500?

A) 35	B) 55
C) 75	D) 45

Answer & Explanation Answer: C) 75

Explanation:

In the question it is asked for 5% of 1500

5 x 1500/100 = 15 x 5 = 75.

Hence, 5% of 1,500 is equal to 75.

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Filed Under: Percentage
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO , Database Administration , IT Trainer

10 7156

Q:

Wireless transmission can be done via

A) Infrared waves	B) Radio waves
C) Microwaves	D) All of the above

Answer & Explanation Answer: D) All of the above

Explanation:

Wireless transmission can be done via any of the Infrared waves, Radio waves or Microwaves.

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

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Q:

Which best describes transformation in bacteria?

A) Bacteria take DNA from their environment.	B) Bacteria inject DNA into another cell.
C) Bacteria lie dormant for many weeks.	D) Bacteria transfer DNA with a bacteriophage.

Answer & Explanation Answer: A) Bacteria take DNA from their environment.

Explanation:

"Bacteria take DNA from their environment" is what best describes transformation in bacteria.

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Filed Under: Biology
Exam Prep: AIEEE , Bank Exams
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4 7151

Q:

Which part of a computer performs calculations?

A) Control unit	B) Arithmetic and logical unit
C) Both A & B	D) Logic bus

Answer & Explanation Answer: B) Arithmetic and logical unit

Explanation:

A computer has a CPU which is called as Central Processing UNit or a Processor builton the mother board. It has many components like control unit and Arithmetic and logical unit.

The Arithmetic and logical unit of the CPU performs the arithmetic operations or mathematical calculations.

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

6 7148

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