Disorders

Question: Klinefelter syndrome is a manifestation of which chromosome aneuploidy?
[A].

XXX

[B].

XYY

[C].

XXY

[D].

None of these

Answer: Option C

Explanation:

No answer description available for this question.

Question: If the RBC of human were kept in 0.9% NaCl solution, what sort of change will occur to RBC?
[A].

Cell will Burst

[B].

Cell will shrink

[C].

No change to RBC

[D].

RBC will destroy

Answer: Option C

Explanation:

No answer description available for this question.

Question: Which of the following sets belongs to a distinct class or category?
[A].

Ribose, sucrose, glucose, fructose

[B].

Sterols, waxes, fatty acids, amino acids.

[C].

Oils, sterols, waxes, fats

[D].

Nucleotide, nucleoside, nucleus, DNA

Answer: Option B

Explanation:

No answer description available for this question.

Question: A deficiency of the enzyme Hypoxanthine Guanine phosphoribosyl transferase (HGPRT) may cause
[A].

Gaucher’s disease

[B].

Ehlers-Danlos syndrome

[C].

Lesch- Nyhan syndrome

[D].

Kleinefelter’s syndrome

Answer: Option C

Explanation:

No answer description available for this question.

Question: Methotrexate is toxic to human cells because it inhibits
[A].

formation of CTP from UTP

[B].

reduction of H2 folate to H4 folate

[C].

synthesis of PRPP

[D].

none of the above

Answer: Option B

Explanation:

No answer description available for this question.

Question: During sickle cell anemia which of the following takes place?
[A].

Glutamine change to valine

[B].

Valine change to glutamine

[C].

Aspartic acid change to glutamic acid

[D].

Glutamic acid change to aspartic acid

Answer: Option A

Explanation:

No answer description available for this question.