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73
Q:

From the following pairs, find the one which is correctly matched?

 

A) Scurvy- Thiamine B) Tuberculosis- ATS
C) Tetanus- BCG D) Malaria- Chloroquine

Answer:   D) Malaria- Chloroquine



Explanation:

Chloroquine is a medication used to prevent and to treat malaria.

Subject: Biology
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Related Questions
Q:

Glaucoma is usually caused by

A) High pressure on the optic nerve B) Loss of hearing
C) Loss of Bone density D) None of the above
 
Answer & Explanation Answer: A) High pressure on the optic nerve

Explanation:

Glaucoma is usually caused by high pressure on the optic nerve which leads the loss of eye sight.

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2 1396
Q:

In a nucleosome, the DNA is wrapped around

A) histone octamer B) helix
C) double helix D) None of the above
 
Answer & Explanation Answer: A) histone octamer

Explanation:

In_a_nucleosome,_the_DNA_is_wrapped_around1542780589.jpg image

In a nucleosome, the DNA is wrapped around histone octamer.

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1 2414
Q:

Which formula represents an amino acid?

A) R-CH3(NH2)-COOH B) R-CH(NH2)-COOH
C) R-CH2(NH2)-COOH D) R-CH3(NH2)-COH
 
Answer & Explanation Answer: B) R-CH(NH2)-COOH

Explanation:

Amino acids are the building blocks of proteins. There are about 21 essential amino acids in the human body like histidine, leucine, lysine... The general formula for amino acid is R-CH(NH2)-COOH.

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0 2352
Q:

Which of these best describes genetic drift?

A) Random fluctuations in the gene frequencies within a population Eliminate B) The combining of alleles to create more genetic variations within a population
C) The movement of alleles between population D) A planned method to reduce the number of inferior genes in a population
 
Answer & Explanation Answer: A) Random fluctuations in the gene frequencies within a population Eliminate

Explanation:

Random fluctuations in the gene frequencies within a population Eliminate is the one which best describes genetic drift.

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1 1944
Q:

The notable hardness of bone is attributed to

A) the presence of inorganic hydroxyapatites B) the presence of glycoproteins
C) the presence of collagen fibers D) the presence of cartilage
 
Answer & Explanation Answer: A) the presence of inorganic hydroxyapatites

Explanation:
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2 1584
Q:

The energy in most ecosystems comes from

A) Water B) Carbon dioxide
C) Sun D) Soil
 
Answer & Explanation Answer: C) Sun

Explanation:

The energy in most ecosystems comes from sun light.

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4 1722
Q:

What is the proper term for a skeletal joint?

A) Articulation B) Compact Bone
C) Articular Cartilage D) Lacuna
 
Answer & Explanation Answer: A) Articulation

Explanation:

Articulation is the proper term for a skeletal joint.

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2 1404
Q:

What is the unit of heredity?

A) cell B) blood
C) gene D) All of the above
 
Answer & Explanation Answer: C) gene

Explanation:

Genes are units of heredity.

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1 1999