Exams


Q:

Select the correct statement about oxygen transport in blood

A) A 50% oxygen saturation level of blood returning to the lungs might indicate an activity level higher than normal B) During normal activity, a molecule of hemoglobin returning to the lungs carries one molecule of O2
C) During conditions of acidosis, hemoglobin is able to carry oxygen more efficiently D) Increased BPG levels in the red blood cells enhance oxygen-carrying capacity
 
Answer & Explanation Answer: B) During normal activity, a molecule of hemoglobin returning to the lungs carries one molecule of O2

Explanation:
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Filed Under: Biology
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1 4005
Q:

Who among the following was the Constitutional Advisor to the Constituent Assembly?

A) B. N. Rau B) V. N. Menon
C) Sachidanand Sinha D) H. N. Kunzuru
 
Answer & Explanation Answer: A) B. N. Rau

Explanation:

Who_among_the_following_was_the_Constitutional_Advisor_to_the_Constituent_Assembly1549343434.jpg image

Sir Benegal Narsing Rao (B N Rau), was the Constitutional Advisor to the Constituent Assembly. He was an Indian civil servant, jurist, diplomat and statesman known for his key role in drafting the Constitution of India.

He was also India's representative to the United Nations Security Council from 1950 to 1952.

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Filed Under: Indian Politics
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1 4005
Q:

From which direction does foul weather typically approach?

A) East B) North
C) West D) South
 
Answer & Explanation Answer: C) West

Explanation:

If the barometer rises, it indicates that good or fair weather is coming and if the falling barometer reading indicates that bad or foul weather is coming. Usually bad weather approaches from the west direction.

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Filed Under: General Science
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1 4005
Q:

The difference between Simple Interest and Compound Interest at the rate of 12% on the same amount for 3 years is Rs. 112.32. What is the principal amount if interest is compounded annually?

A) Rs. 25000 B) Rs. 2500
C) Rs. 50000 D) Rs. 5000
 
Answer & Explanation Answer: B) Rs. 2500

Explanation:

Let the principal amount be Rs. x
Calculating SI:
SI for 1 year at 12% rate is Rs (12/100)*x. For 3 years it will be Rs (36/100)*x ------ (1)
Calculating CI:
For 1st year, Interest = (12/100)*x
For 2nd year, interest = (12/100)*x + (12/100)*x + (144/10000)*x
For 3rd year, interest = (12/100)*x + (12/100)*x + (12/100)*x + (144/10000)*x + (144/10000)*x + (1728/1000000)*x. ------ (2)
Subtracting equation 2 and 1 and solving further,
312*144*x/1000000 = 112.32
X = Rs 2500.
Alternative way: Using formula for Difference
between CI and SI for 3 years

we can also use the above formula to find the value of P.

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Filed Under: Simple Interest
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3 4004
Q:

Suresh starts working as a analyst on an annual salary of Rs. 160000. If he receives a 15% pay-rise each year, the number of years he has worked for the company, when his annual salary became Rs. 279841 is

A) 3.5 yrs B) 4 yrs
C) 4.5 yrs D) 5 yrs
 
Answer & Explanation Answer: B) 4 yrs

Explanation:

From the given data in the question,

279841 = 160000 x 1+15100t279841160000 = 115100t

t = 4 years.

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Filed Under: Percentage
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6 4004
Q:

Which statement about tobacco use is true?

A) Smoking can lead to emphysema as well as strokes B) Smokeless tobacco can lead to cancer but is not addictive
C) Smoking relaxes people because it lowers the heart rate D) All of the above
 
Answer & Explanation Answer: A) Smoking can lead to emphysema as well as strokes

Explanation:

Smoking can lead to emphysema as well as strokes is the true statement regarding tobacco use. Emphysema is related to the failure of lungs air sacs and cilia that eliminate the dust from the body.

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Filed Under: General Science
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1 4003
Q:

Who wrote the Book "A Tale of Two Cities"

A) William Shakespeare B) Jane Austen
C) Leo Tolstoy D) Charles Dickens
 
Answer & Explanation Answer: D) Charles Dickens

Explanation:

A Tale of Two Cities, which is one of two historical novels written by Charles Dickens, is set in London and in Paris and the French countryside at the time of the French Revolution.

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Filed Under: Books and Authors
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13 4003
Q:

What is the name of the World's smallest republic which has an area of 21 sq.km.?

A) Palermo B) Nauru
C) Vatican City D) Namur
 
Answer & Explanation Answer: B) Nauru

Explanation:
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Filed Under: General Awareness
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2 4001