Explore topic-wise MCQs in Life Sciences.

This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Life Sciences knowledge and support exam preparation. Choose a topic below to get started.

1.

Which of the following chromosomal aberration shows pseudodominance?

A. Deletion
B. Duplication
C. Inversions
D. Translocation
Answer» B. Duplication
2.

Which of the following is CORRECT for Turner syndrome?

A. Slanting eyes
B. Autosomal aneuploidy
C. Suppressive
D. Retarded sexual development
Answer» E.
3.

Mark the INCORRECT statement about Edward’s syndrome.

A. Trisomy of chromosome 18
B. Mental and motor retardation
C. Dwarfism
D. Clenched hand and overlapping fingers
Answer» D. Clenched hand and overlapping fingers
4.

The diagram which shows the arrangement of metaphasic chromosomes according to their position of centromere is called________

A. Histogram
B. Karyogram
C. Dendrogram
D. Ideogram
Answer» E.
5.

WHICH_OF_THE_FOLLOWING_IS_CORRECT_FOR_TURNER_SYNDROME??$

A. Slanting eyes
B. Autosomal aneuploidy
C. Suppressive
D. Retarded sexual development
Answer» E.
6.

Which_of_the_following_chromosomal_aberration_shows_pseudodominance?$

A. Deletion
B. Duplication
C. Inversions
D. Translocation
Answer» B. Duplication
7.

Mark the INCORRECT statement about Edward’s syndrome?#

A. Trisomy of chromosome 18
B. Mental and motor retardation
C. Dwarfism
D. Clenched hand and overlapping fingers
Answer» D. Clenched hand and overlapping fingers
8.

Alteration in which of the following chromosome shows Down syndrome?

A. Sex chromosome
B. 18
C. 21
D. 13
Answer» D. 13
9.

Name the term which defines the presence or absence of extra copies of a few chromosomes.

A. Extranuclear inheritance
B. Aneuploidy
C. Euploidy
D. Diploid
Answer» C. Euploidy
10.

Which of the following is NOT the dye-based chromosome banding?

A. Giemsa
B. Reverse
C. Centromere
D. Metacentric
Answer» E.
11.

Which of the following designation has given to human female chromosomes?

A. XX
B. XY
C. XO
D. ZZ
Answer» B. XY
12.

Human consists of 46 chromosomes or 23 pairs of chromosomes.

A. True
B. False
Answer» B. False
13.

What is Cytogenetics?

A. Genetic disorders
B. Phenotypic variation
C. Study of chromosomes
D. Qualitative traits
Answer» D. Qualitative traits