Explore topic-wise MCQs in Cytogenetics.

This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Cytogenetics knowledge and support exam preparation. Choose a topic below to get started.

1.

The synaptonemal complex is a portentous complex, which of the protein is not present in it?

A. Rec 11
B. Cohesins
C. Actin
D. Zip 1
Answer» D. Zip 1
2.

The pairing of the chromosome is mediated by _______________ interactions.

A. Hydrophilic
B. Hydrophobic
C. Covalent
D. Electrostatic
Answer» E.
3.

The zygosome has ________________ head and _________ tail connecting to the opposite zygosome.

A. Straight, straight
B. Folded, folded
C. Folded, straight
D. Straight, folded
Answer» D. Straight, folded
4.

Which of the following doesn’t lead to pairing in meiosis?

A. 0.3% DNA replication that was left after S phase
B. Retardation factor
C. Turbulence factor
D. Precocity factor
Answer» D. Precocity factor
5.

THE_PAIRING_OF_THE_CHROMOSOME_IS_MEDIATED_BY_________________INTERACTIONS.?$

A. Hydrophilic
B. Hydrophobic
C. Covalent
D. Electrostatic
Answer» E.
6.

The_synaptonemal_complex_is_a_portentous_complex,_which_of_the_protein_is_not_present_in_it?$

A. Rec 11
B. Cohesins
C. Actin
D. Zip 1
Answer» D. Zip 1
7.

The zygosome has ________________ head and _________ tail connecting to the opposite zygosome?

A. Straight, straight
B. Folded, folded
C. Folded, straight
D. Straight, folded
Answer» D. Straight, folded
8.

During pairing of the chromosomes which of the following is not true?

A. There are 3 lateral filaments A, B, C
B. The A point pairs with adjacent A of other chromatid
C. The B point pairs with adjacent B of other chromatid
D. The C point pairs with C
Answer» C. The B point pairs with adjacent B of other chromatid
9.

Which of the following is incorrect about lateral filaments?

A. The lateral filaments are composed of chromatids
B. They can be spaced as much as 100-125 nm apart
C. The lateral filaments have DNA elements along with RNA and Proteins
D. The lateral filaments are connected by longitudinal connections
Answer» E.
10.

The fibers of the lateral filament are called____________

A. Synaptomes
B. Synaptomere
C. Synaptic clefts
D. Synaptososome
Answer» C. Synaptic clefts
11.

The synaptonemal complex has ____________ filaments.

A. 1
B. 2
C. 3
D. 4
Answer» D. 4
12.

What is the size of each fiber of the synaptonemal complex?

A. 5 nm
B. 10 nm
C. 15 nm
D. 20 nm
Answer» C. 15 nm
13.

The uncoiling of chromosomal relics leads to pairing.

A. True
B. False
Answer» B. False
14.

Which of the following doesn’t lead to pairing in meiosis?

A. 0.3% DNA replication that was left after S phase
B. Retardation factor
C. Turbulence factor
D. Precocity factor
Answer» D. Precocity factor