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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Q:

Innate immune system defenses include

A) phagocytosis B) B cells
C) plasma cells D) T cells
 
Answer & Explanation Answer: A) phagocytosis

Explanation:
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1 1578
Q:

The temperature danger zone for food is

A) 5 - 63 deg B) above 45 deg
C) below 15 deg D) None of the above
 
Answer & Explanation Answer: A) 5 - 63 deg

Explanation:

The temperature danger zone for the food that cannot be stored for long time is between 5 degrees to 63 degrees centigrade.

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1 1347
Q:

Which RNA base pairs with the adenine in DNA?

A) Thymine B) Cytosine
C) Both A & B D) Uracil
 
Answer & Explanation Answer: D) Uracil

Explanation:

In DNA, adenine pairs with Thymine. Similarly, in RNA, due to absence of thymine in RNA and the same structure with uracil helps to pair with adenine.

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1 1454
Q:

All bones stop growing by the end of adolescence.

A) TRUE B) FALSE
Answer & Explanation Answer: B) FALSE

Explanation:

The given statement "All bones stop growing by the end of adolescence" is a FALSE statement.

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2 1971
Q:

Genes contain instructions for assembling what?

A) Amino acids B) Proteins
C) Nucleotides D) All of the above
 
Answer & Explanation Answer: B) Proteins

Explanation:

Genes which are segment of DNA of a cell contains instructions for assembling proteins.

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5 2423
Q:

Which of the following is not true of color blindness?

A) Color blind people learn to rely on shapes, patterns, and positions of signs and signals. B) Red-green color blindness is the most common type of color blindness.
C) A color blind person cannot see any colors. D) For some people, it might be difficult to recognize colors of traffic lights and signs.
 
Answer & Explanation Answer: C) A color blind person cannot see any colors.

Explanation:
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2 1544
Q:

What is the structural unit of compact bone?

A) Osteon B) Spongy bone
C) Lamellae D) Periosteum
 
Answer & Explanation Answer: A) Osteon

Explanation:

what_is_the_structural_unit_of_compact_bone1536568861.jpg image

 

The structural unit of compact bone is Osteons or Haverisan systems.

 

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0 4722
Q:

When does DNA replication happen?

A) S - phase B) M - Phase
C) Prophase D) Anaphase
 
Answer & Explanation Answer: A) S - phase

Explanation:

DNA is replicated during the S-Phase in the interphase of a cell.

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3 1426