Questions

Q:

Most of the oxygen transported by the blood is

A) bound to hemoglobin B) dissolved in plasma
C) dissolved in water D) in ionic form as solute in plasma
 
Answer & Explanation Answer: A) bound to hemoglobin

Explanation:

Oxygen is transported throughout the body via hemoglobin in the red blood cells. Hence, most of the oxygen transported by the blood is bounded to hemoglobin.

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Q:

Which statements about viruses are true?

A) HIV contains reverse transcriptase. B) A retrovirus contains RNA.
C) Both A & B D) All RNA-containing viruses are retroviruses.
 
Answer & Explanation Answer: C) Both A & B

Explanation:

The statements true about viruses are :

 

1. The capsid enters the host cell if the virus is enveloped.

2. Enveloped viruses bud from the host cell. 

3. HIV contains reverse transcriptase.

4. A retrovirus contains RNA.

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Q:

Space Application Centre (SAC) is located at which place?

A) Ahmadabad B) Trivandrum
C) Hyderabad D) Mumbai
 
Answer & Explanation Answer: A) Ahmadabad

Explanation:

Space Applications Centre (SAC) is one of the major centres of the Indian Space Research Organisation (ISRO) which is located in Ahmadabad.

 

SAC focuses on the design of space-borne instruments for ISRO missions and development and operationalisation of applications of space technology for societal benefits. The applications cover communication, broadcasting, navigation, disaster monitoring, meteorology, oceanography, environment monitoring and natural resources survey.

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Q:

Why is secondary storage needed?

A) no need of power supply B) large storage capacity
C) Both A & B D) None of the above
 
Answer & Explanation Answer: C) Both A & B

Explanation:

Secondary storage therefore needed because it is non-volatile, meaning it retains its contents without the need for a power supply. It also has the large storage capacity needed to store the operating system and all the programs and files needed by a modern computer system.

secondary_storage1532340725.jpg image

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Q:

Air contains water in a gaseous form called

A) vapour B) droplets
C) humidity D) None of the above
 
Answer & Explanation Answer: A) vapour

Explanation:

Air contains water in a gaseous form called water vapour.

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Q:

Salts and sugars work to preserve foods by creating a

A) Hypertonic environment B) Lower pH
C) Depletion of nutrients D) Lower osmotic pressure
 
Answer & Explanation Answer: A) Hypertonic environment

Explanation:

Salts and sugars work to preserve foods by creating a Hypertonic environment.

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Q:

Father of Email

Email1498884677.jpg image

A) A B) B
C) C D) D
 
Answer & Explanation Answer: B) B

Explanation:

Ray Tomilson

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Q:

Read the passage carefully and choose the best answer to each question out of the four alternatives and click the button corresponding to it.

Reporters and city officials gathered at a Chicago railroad station one afternoon in 1953. The person they were meeting was the 1952 Nobel Peace Prize winner. A few minutes after the train came to a stop, a giant of a man - six feet four inches - with bushy hair and a large moustache stepped out from the train. Cameras flashed. City officials approached him with hands outstretched. Various people began telling him how honoured they were to meet him.

The man politely thanked them and then, looking over their heads, asked if he could be excused for a moment. He quickly walked through the crowd until he reached the side of an elderly black woman who was struggling with two large suitcases. He picked up the bags with a smile, escorted the woman to a bus. After helping her aboard, he wished her a safe journey. As he returned to the greeting party he apologized, "Sorry to have kept you waiting." Not many whites would have done what he did.

The man was Dr. Albert Schweitzer, the famous missionary doctor who had spent his life helping the poor in Africa. In response to Dr. Schweitzer's action, one member of the reception committee said with great admiration to the reporter standing next to him, "That's the first time I ever saw a sermon walking."


Dr. Albert Schweitzer was the winner of the _____ .

A) Nobel Prize in 1952 for Medicine B) Nobel Prize in 1952 for Peace
C) Nobel Prize in 1952 for Chemistry D) Nobel Prize in 1953 for Peace
 
Answer & Explanation Answer: B) Nobel Prize in 1952 for Peace

Explanation:
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