Explore topic-wise MCQs in Biotechnology.

This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Biotechnology knowledge and support exam preparation. Choose a topic below to get started.

1.

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» C. Oils, sterols, waxes, fats
2.

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» C. synthesis of PRPP
3.

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

A. Phosphorylase
B. Phosphofructokinase
C. Glucose-6-phosphatase
D. None of the above
Answer» D. None of the above
4.

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

A. A4
B. Amylin
C. Fibrin
D. Alzhemin
Answer» B. Amylin
5.

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

A. A mutation in the beta chain
B. A deletion in the beta chain
C. Replacement of the B chain by D chain
D. None of the above
Answer» B. A deletion in the beta chain
6.

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» D. RBC will destroy
7.

Klinefelter syndrome is a manifestation of which chromosome aneuploidy?

A. XXX
B. XYY
C. XXY
D. None of these
Answer» D. None of these
8.

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» B. Valine change to glutamine
9.

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» D. Kleinefelter's syndrome
10.

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

A. Dlashin protein
B. Collagen protein
C. Fibrin protein
D. Globulin protein
Answer» C. Fibrin protein