Bank PO Questions


Q:

Which shows a correctly paired DNA molecule?

A) AT B) TC
C) AC D) TG
 
Answer & Explanation Answer: A) AT

Explanation:

The nucleotides that are present in DNA molecule are 4. They are Thymine (T), Guanine (G), Adenine (A) and Cytosine (C).

 

Here in this Adenine pairs with Thymine (A - T) and Cytosine pairs with Guanine (C - G).

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Filed Under: Biology
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Q:

What provides electrons for the light reactions?

A) Water B) Oxygen
C) Carbon dioxide D) Light
 
Answer & Explanation Answer: A) Water

Explanation:

Electrons are stripped from water in the light reactions of photosynthesis. Light provides the energy to excite electrons.

 

ATP and NADPH are both products of the light reactions and are used to power the Calvin cycle.

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Filed Under: Biology
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Q:

How many pints of blood in the human body?

A) 6 - 8 B) 10 - 12
C) 8 - 10 D) 5 - 7
 
Answer & Explanation Answer: B) 10 - 12

Explanation:

Scientists estimate the volume of blood in a human body to be approximately 7 percent of body weight. An average adult body with a weight of 150 to 180 pounds will contain approximately 4.7 to 5.5 liters of blood. An average child with a body weight of 80 pounds will have approximately half the amount of blood as an adult.

The amount of blood in a human body varies, depending on factors such as age, sex, overall health and even where a person lives. For example, men tend to have more blood than women of comparable size and weight.

Interestingly, people who live at high altitudes may have up to two liters of extra blood compared to those who live at lower altitudes. Because the air at higher altitudes has less oxygen, people who live at high altitudes need extra blood to deliver the right amount of oxygen to their lungs.

 

We know that 1 Pint = 0.473 liters

 

Hence, an average amount of blood in the human body = 4.7 - 5.5 lit = 10 - 12 pints.

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Filed Under: Biology
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Q:

Crack the relationship puzzle?

blood_relation_puzzle1562232420.jpg image

A) Sister B) Mother
C) Grand Mother D) Sister-in-law
 
Answer & Explanation Answer: C) Grand Mother

Explanation:

From drawing the relationships given above,

Sana is Grand mother of Sony.

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Filed Under: Blood Relations
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Q:

A showroom on its anniversary gives a discount of 18% on marked price of bikes. Raghuram purchases a bike in Rs. 54,540. What is the marked price of bike?

A) Rs. 63548 B) Rs. 66512
C) Rs. 65000 D) Rs. 67857
 
Answer & Explanation Answer: B) Rs. 66512

Explanation:

The discount offered by showroom = 18%

Raghu purchased at Rs. 54540

Then,

The marked price is given by 

54540 x 100/82

=~ Rs. 66,512

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Filed Under: Percentage
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Q:

What is 6% of 3,50,000?

A) 19500 B) 21000
C) 23600 D) 24000
 
Answer & Explanation Answer: B) 21000

Explanation:

6% of 350000

 

6100 x 3,50,000= 6 x 3500= 21,000.

 

Hence, 6% of 3,50,000 = 21,000.

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Q:

A number when subtracted by 1/7 th of itself gives the same value as the sum of all the angles of a triangle. What is the number?

A) 420 B) 210
C) 70 D) 35
 
Answer & Explanation Answer: B) 210

Explanation:

Let the required number be 'p'

We know, sum of angles in a triangle are 180 deg

According to given data,

p - p/7 = 180

7p - p = 180 x 7

=> 6p = 1260

=> p = 1260/6 = 210

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Filed Under: Problems on Numbers
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Q:

GDPR means

A) General Data Protection Regulation B) Generic Data Per Random
C) Generic Data Protection Regulation D) Gross Data Protection Regulation
 
Answer & Explanation Answer: A) General Data Protection Regulation

Explanation:

GDPR stands for the General Data Protection Regulation. The GDPR is a piece of EU legislation passed by the European Parliament in 2016.

 

It aims to make it simpler for people to control how companies use their personal details.

Companies will not be allowed to collect and use personal information without the person's consent.

Data includes things like a person's name, email address and phone number, and also internet browsing habits collected by website cookies.

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Filed Under: General Awareness
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