Questions

Q:

Plant cells perform photosynthesis, which occurs in the

A) Nucleus B) Mitochondria
C) Cytoplasm D) Chloroplasts
 
Answer & Explanation Answer: D) Chloroplasts

Explanation:

Photosynthesis takes place inside plant cells in small things called chloroplasts.

Chloroplasts contain a green substance called chlorophyll and this absorbs the light energy needed to make photosynthesis happen.

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Q:

Name the company that has recently created the world’s smallest magnet using a single atom which can store one bit of data on it.

A) TCS B) Microsoft
C) IBM D) Infosys
 
Answer & Explanation Answer: C) IBM

Explanation:

A team of researchers at IBM has created the world’s smallest magnet using a single atom which can store one bit of data on it.

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Q:

What is the first step in Photosynthesis?

A) Formation of ATP B) Joining of 3-carbon atom to form glucose
C) Ionization of water D) Excitement of an electron of chlorophyll photon of light
 
Answer & Explanation Answer: D) Excitement of an electron of chlorophyll photon of light

Explanation:

The first step in Photosynthesis is Excitement of an electron of chlorophyll photon of light.

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Q:

The process of copying dna is called

A) Copying B) Replication
C) Repulsion D) Replying
 
Answer & Explanation Answer: B) Replication

Explanation:

The process of copying dna is called Replication.

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Q:

The lining of the marrow cavity is

A) Endosteum B) Sarcolemma
C) Episteum D) Periosteum
 
Answer & Explanation Answer: A) Endosteum

Explanation:

The marrow cavity is also known as the medullary cavity. It is the central cavity of bone shafts where adipose tissue is stored. It is lined with a thin, vascular membrane called endosteum.

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Q:

What is the lowest layer of the atmosphere called as

A) Ionosphere B) Thermosphere
C) Troposphere D) Mesosphere
 
Answer & Explanation Answer: C) Troposphere

Explanation:

The troposphere is the lowest layer of the Earth's atmosphere. The air is very well mixed and the temperature decreases with altitude. Air in the troposphere is heated from the ground up. The surface of the Earth absorbs energy and heats up faster than the air does.

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Q:

What can you catch but not throw?

Answer

A cold or flu illness.

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Q:

Which one of the following National Highways is the longest

A) NH-2 B) NH-7
C) NH-8 D) NH-15
 
Answer & Explanation Answer: B) NH-7

Explanation:
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