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 Biology Questions

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Q:

Which of the following represents the pair of sex chromosomes in women?

A) XY B) XX
C) YY D) None of these
 
Answer & Explanation Answer: B) XX

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Q:

_____ is the cell organelle, in which the biochemical processes of respiration and energy production occur.

A) Mitochondria B) Chloroplast
C) Ribosomes D) Nucleus
 
Answer & Explanation Answer: A) Mitochondria

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Q:

Zika virus which damages the brain of the foetus is

A) Mosquito borne B) Water borne
C) Air borne D) Food borne
 
Answer & Explanation Answer: A) Mosquito borne

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Q:

Which one reveals, more appropriately, functioning of the heart?

A) Electrocardiogram B) Echocardiogram
C) Stethoscope D) Lipid profile
 
Answer & Explanation Answer: B) Echocardiogram

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Q:

Which subatomic particle determines the identity of an element?

A) Electrons B) Protons
C) Neutrons D) All the above
 
Answer & Explanation Answer: B) Protons

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Q:

Which of the following animal is not triploblastic?

A) Earthworm B) Ascaris
C) Jelly fish D) Planaria
 
Answer & Explanation Answer: C) Jelly fish

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Q:

The process of copying genetic information from one strand of DNA into RNA is termed as

A) translation B) transcription
C) replication D) mutation
 
Answer & Explanation Answer: B) transcription

Explanation:

The process of copying genetic information from one strand of the DNA into RNA is termed as transcription. In transcription, only a segment of DNA and only one of the strands is copied into RNA. This necessitates defining the boundaries that would demarcate the region and the strand of DNA that would be transcribed.

 

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Q:

The fat digesting enzyme Lipase is secreted by which of the following

A) Kidneys B) Pancreas
C) Large Intestine D) Liver
 
Answer & Explanation Answer: B) Pancreas

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