Questions

Q:

............. elements have the largest atoms

A) F B) O
C) H D) Li
 
Answer & Explanation Answer: D) Li

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Q:

What is nature of pH of Milk?

A) Slightly Acidic B) Slightly Basic
C) Highly Acidic D) Highly Basic
 
Answer & Explanation Answer: A) Slightly Acidic

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Q:

If we take a small amount of washing soda and add approximately 1 mL of dilute hydrochloric acid to it, what will we observe?

A) only neutralisation reaction occurs, no gas is released B) white-coloured precipitate is formed
C) CO2 gas comes out with brisk effervescence D) H2 gas comes out with pop sound
 
Answer & Explanation Answer: C) CO2 gas comes out with brisk effervescence

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Q:

Which one of the following statements regarding haemoglobin is correct?

A) Haemoglobin present in RBC can carry only oxygen but not carbon dioxide B) Haemoglobin of RBC can carry both oxygen and carbon dioxide
C) Haemoglobin of RBC can carry only carbon dioxide D) Haemoglobin is only used for blood clotting and not for carrying gases.
 
Answer & Explanation Answer: B) Haemoglobin of RBC can carry both oxygen and carbon dioxide

Explanation:

During respiration, about 97% of oxygen is transported by Red Blood Cells in blood and the remaining 3% gets dissolved in the plasma.Around 20-25% of carbon dioxide is carried by haemoglobin as carbamino-haemoglobin.

Oxygen enters the blood from the lungs and carbon dioxide is expelled out of the blood into the lungs. The blood serves to transport both gases. Oxygen is carried to the cells. Carbon dioxide is carried away from the cells.

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Filed Under: Biology
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Q:

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

A) Establish B) Sorrow
C) Disdain D) Elation
 
Answer & Explanation Answer: B) Sorrow

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Filed Under: English
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Q:

The Jammu and Kashmir State Legislative Assembly has a tenure of __________________

A) Six years B) Five years
C) Four years D) Seven years
 
Answer & Explanation Answer: A) Six years

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Filed Under: Indian Politics

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Q:

Which of the following is NOT a storage device?

A) Hard Disk B) CD ROM
C) Flash Drive D) Modem
 
Answer & Explanation Answer: D) Modem

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Filed Under: Computer
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Q:

Why metals conduct electricity?

A) Because of low melting point B) Because of high tensile strength
C) Because of free electrons D) Because of high atomic density
 
Answer & Explanation Answer: C) Because of free electrons

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