Questions

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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Q:

Indian captain Virat Kohli became the first captain to hit six double centuries in Test cricket. He has surpassed -

A) Steve Smith B) Brian Lara
C) Michael Clarke D) Don Bradman
 
Answer & Explanation Answer: B) Brian Lara

Explanation:

Virat Kohli surpasses Brian Lara with sixth Test double hundred as captain.

After reaching the milestone, Virat Kohli became the first captain to score six double tons in Test cricket. He has also become the first player to score six double centuries in just a span of 17 months. He also became the second Indian to score back-to-back double centuries, only after Vinod Kambli.

Apart from him, the only other cricketers who have scored back-to-back double Test tons are Wally Hammond, Don Bradman, Kambli, Kumar Sangakkara and Michael Clarke.

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Q:

International Workers' Day or Labour Day is celebrated on ?

A) April 1st B) May 1st
C) June 1st D) July 1st
 
Answer & Explanation Answer: B) May 1st

Explanation:
  • International Workers' Day, also known as Labour Day in some countries, is a celebration of labourers and the working classes that is promoted by the international labour movement, socialists, communists or anarchists. 
  • It occurs every year on May Day which is May 1st. It is the day to pay tribute to the Labourers. Without them nothing will complete. 
  • In India, the first Labour Day, or May Day, was celebrated in 1923 in Chennai.
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Q:

Whcih one is the compound in the following

A) mercury B) ozone
C) air D) ammonia
 
Answer & Explanation Answer: C) air

Explanation:
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Filed Under: Chemistry

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Q:

A five-member committee has been formed to select the candidate for the post of editor-in-chief of Rajya Sabha TV (RSTV). Who will head this committee ?

A) Shashi Shekhar Vempati B) Rahul Srivastava
C) Swapan Dasgupta D) A Surya Prakash
 
Answer & Explanation Answer: D) A Surya Prakash

Explanation:
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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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Q:

Goitre is due to the deficiency of

A) Calcium B) Zinc
C) Selenium D) Iodine
 
Answer & Explanation Answer: D) Iodine

Explanation:
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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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