General Knowledge Questions

Q:

Which gas in the atmosphere is essential for respiration?

A) Argon B) Carbon dioxide
C) Oxygen D) Nitrogen
 
Answer & Explanation Answer: C) Oxygen

Explanation:

Inhaling of oxygen and releasing of carbon dioxide to make our living is the process called as respiration. We know that, air is a mixture several gases like 78% of nitrogen, 21% of oxygen and several other gases with watervapour.

 

Hence, Oxygen is essential for respiration process.

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Q:

Which of the following is a risk factor for osteoporosis?

A) Smoking cigarettes B) Drinking alcohol
C) Both A & B D) None of the above
 
Answer & Explanation Answer: C) Both A & B

Explanation:

Osteoporosis makes you more likely to loss bone mass and density resulting in fractures. Smoking cigarettes and drinking alcohol can lead to loss bone mass and density. Oseoporosis is more common in women than men.

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Q:

In the following question, out of the four alternatives, select the word opposite in meaning to the word given.

Irk

A) Attract B) Discourage
C) Irritate D) Please
 
Answer & Explanation Answer: D) Please

Explanation:
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Q:

Scientific medicine typically develops in

Answer

Scientific medicine typically develops in industruial societies.

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Q:

What is the name of the acid in grapes?

A) Lactic acid B) Formic acid
C) Acetic acid D) Tartaric acid
 
Answer & Explanation Answer: D) Tartaric acid

Explanation:
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Q:

Which one of the following is a true fish as per the biological system of classification?

A) Silverfish B) Jellyfish
C) Cuttlefish D) Flying fish
 
Answer & Explanation Answer: D) Flying fish

Explanation:

Cuttlefish or cuttles are marine animals of the order Sepiida. They belong to the class Cephalopoda, which also includes squid, octopuses, and nautiluses. Cuttlefish have a unique internal shell, the cuttlebone. Despite their name, cuttlefish are not fish but molluscs.

Jellyfish are soft bodied, free-swimming aquatic animals with a gelatinous umbrella-shaped bell and trailing tentacles.

 

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Q:

In the following question, four words are given out of which one word is incorrectly spelt. Select the incorrectly spelt word

A) Conceive B) Leisure
C) Neice D) Reign
 
Answer & Explanation Answer: C) Neice

Explanation:
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Q:

The modern periodic table consists of 18 groups and 7 periods. What is the atomic number of the element placed in the 1st group and the 4th period?

A) 21 B) 17
C) 19 D) 9
 
Answer & Explanation Answer: C) 19

Explanation:
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