NEET 2024 (Re-Examination) | Cell Cycle and Cell Division Question 1 | Biology

Statement I: Failure of segregation of chromatids during cell cycle resulting in the gain or loss of whole set of chromosome in an organism is known as aneuploidy.

Statement II: Failure of cytokinesis after anaphase stage of cell division results in the gain or loss of a chromosome is called polyploidy.

In the light of the above statements, choose the correct answer from the options given below:

Statement I is true but Statement II is false

Statement I is false but Statement II is true

Both Statement I and Statement II are true

Both Statement I and Statement II are false

NEET 2024 (Re-Examination)

MCQ (Single Correct Answer)

-1

Recombination between homologous chromosomes is completed by the end of

Diakinesis

Zygotene

Diplotene

Pachytene

NEET 2024 (Re-Examination)

MCQ (Single Correct Answer)

-1

Match List-I with List-II :

	List - I		List - II
(A)	Metacentric chromosome	(I)	Chromosome has a terminal centromere
(B)	Sub-metacentric chromosome	(II)	Middle centromere forming two equal arms of chromosome
(C)	Acrocentric chromosome	(III)	Centromere is slightly away from the middle of chromosome resulting into two unequal arms
(D)	Telocentric chromosome	(IV)	Centromere is situated close to its end forming one extremely short and one very long arm

Choose the correct answer from the options given below:

A-II, B-I, C-IV, D-III

A-IV, B-I, C-II, D-III

A-I, B-II, C-III, D-IV

A-II, B-III, C-IV, D-I

NEET 2024 (Re-Examination)

MCQ (Single Correct Answer)

-1

Match List-I with List-II.

	List - I Event		List - II Stage of Prophase-I (Meiosis-I)
(A)	Chiasmata formation	(I)	Pachytene
(B)	Crossing over	(II)	Diakinesis
(C)	Synaptonemal complex formation	(III)	Diplotene
(D)	Terminalisation of chiasmata	(IV)	Zygotene

Choose the correct answer from the options given below :

A-III, B-I, C-IV, D-II

A-II, B-I, C-III, D-IV

A-III, B-I, C-II, D-IV

A-II, B-III, C-IV, D-I

NEET Subjects

Biology

Botany

Zoology

Human Health and Diseases Body Fluids and Its Circulation Locomotion and Movement Neural Control and Coordination Reproduction in Organisms Reproductive Health Structural Organisation in Animals Digestion and Absorption Excretory Products and Their Elimination Chemical Coordination and Integration Human Reproduction Animal Kingdom Breathing and Exchange of Gases Evolution