12 MARCH 2021 CURRENT AFFAIRS QUIZ

Klinefelter syndrome is a manifestation of which chromosome aneuploidy?

XXY

XXX

None of these

XYY

TRUE ANSWER : ?
YOUR ANSWER : ?

What is the defective enzyme in the glycogen storage Von Gierke's disease?

Glucose-6-phosphatase

Phosphofructokinase

None of these

Phosphorylase

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YOUR ANSWER : ?

If the RBC of human were kept in 0.9% NaCl solution, what sort of change will occur to RBC?

Cell will shrink

No change to RBC

RBC will destroy

Cell will Burst

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YOUR ANSWER : ?

Which of the modification in hemoglobin is the cause of sickle cell anemia?

A mutation in the beta chain

None of these

Replacement of the B chain by D chain

A deletion in the beta chain

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YOUR ANSWER : ?

During sickle cell anemia which of the following takes place?

Glutamine change to valine

Aspartic acid change to glutamic acid

Glutamic acid change to aspartic acid

Valine change to glutamine

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YOUR ANSWER : ?

Which of the protein is involved in Alzheimer's disease?

Alzhemin

Fibrin

Amylin

A4

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A deficiency of the enzyme Hypoxanthine Guanine phosphoribosyl transferase (HGPRT) may cause

Kleinefelter's syndrome

Gaucher's disease

Ehlers-Danlos syndrome

Lesch- Nyhan syndrome

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following sets belongs to a distinct class or category?

Sterols, waxes, fatty acids, amino acids.

Oils, sterols, waxes, fats

Ribose, sucrose, glucose, fructose

Nucleotide, nucleoside, nucleus, DNA

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Methotrexate is toxic to human cells because it inhibits

synthesis of PRPP

formation of CTP from UTP

reduction of H2 folate to H4 folate

None of these

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YOUR ANSWER : ?

The disorder in which of the following may cause "Ehlers-Danlos Syndrome"?

Globulin protein

Fibrin protein

Collagen protein

Dlashin protein

TRUE ANSWER : ?
YOUR ANSWER : ?

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