Explore topic-wise MCQs in Biology.

This section includes 16 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.

1.

Antibodies are secreted against the _____

A. antigen
B. animals
C. cells
D. antibodies
Answer» B. animals
2.

In ELISA ______ synthesized by the pathogen can be detected.

A. proteins
B. urine
C. serum
D. antibody
Answer» B. urine
3.

In ELISA the antigens can be _____

A. antibody
B. urine
C. serum
D. proteins
Answer» E.
4.

Which technique depends on the antigen- antibody reaction?

A. PCR
B. ELISA
C. Chromatography
D. RDT
Answer» C. Chromatography
5.

ELISA is based on the principle of _______ reaction.

A. antibody-antibody
B. antigen-antigen
C. antigen-antibody
D. DNA-RNA
Answer» D. DNA-RNA
6.

Autoradiography is used for the detection of ______

A. cold
B. cancer
C. fatigue
D. fever
Answer» C. fatigue
7.

The hybrid of the radioactive probe and its complementary DNA is detected by ______

A. ELISA
B. RIA
C. autoradiography
D. PCR
Answer» D. PCR
8.

Probes ________ with its complementary DNA.

A. separate
B. stand
C. add
D. hybridize
Answer» E.
9.

A single-stranded DNA or RNA tagged with a radioactive molecule is called ______

A. prove
B. ssDNA
C. probe
D. ssRNA
Answer» D. ssRNA
10.

______ can be used to identify genetic disorders.

A. Centrifugation
B. PCR
C. Chromatography
D. RIA
Answer» C. Chromatography
11.

PCR is used to detect _______ in cancer patients.

A. fever
B. mutations
C. cold
D. cough
Answer» C. cold
12.

PCR is used to detect _____ in patients having AIDS.

A. pneumonia
B. fever
C. HIV
D. cough
Answer» D. cough
13.

Amplification of nucleic acid can be done with the help of ______

A. Centrifugation
B. RDT
C. ELISA
D. PCR
Answer» E.
14.

Low concentration of any pathogen can be detected by ______ of their nucleic acid.

A. cutting
B. amplification
C. joining
D. denaturation
Answer» C. joining
15.

A ______ of a disease helps to suspect the presence of pathogen within the body.

A. disease
B. symptom
C. consequence
D. effect
Answer» C. consequence
16.

ELISA stands for _______

A. Enzyme Like Immuno-sorbent Assay
B. Enzyme-Linked Immuno-sorbent Assay
C. Enzyme-Linked Immuno-similar Assay
D. Enzyme-Linked Immuno-sorbent Array
Answer» C. Enzyme-Linked Immuno-similar Assay