NEET Biology Cell Division Mock Test-1

During this phase of cell cycle, cell is metabolically active without duplication of DNA

(A) M-phase
(B) S-phase
(C) G₁ phase
(D) G₂ phase



The amount of DNA per cell remains same during

(A) S, G₂ and metaphase
(B) G₁, G₂, M phase
(C) Anaphase, Telophase, G₂ phase
(D) (a) and (c)



The amount of DNA in a cell in G₁, phase is

(A) Half that of S-phase
(B) Half that of G₂ phase
(C) Half that of prophase
(D) All



In animal cell-cycle, centriole duplicates during

(A) G₁ phase
(B) G₂ phase
(C) S-phase
(D) M-phase



Proteins and RNA synthesis occurs during

(A) S phase and G₁ phase
(B) G₁ and G₂ phase
(C) G₁and M-phase
(D) S and G₂ phase



Cells in this stage can enter into G₀ stage

(A) S-phase
(B) G₂ phase
(C) G₁ phase
(D) M-phase



These cells of adult animals don’t divide

(A) Liver Cells
(B) Heart cells
(C) Nerve cells
(D) (b) and (c)



In animals, mitotic cell division is only seen in

(A) Haploid somatic cells
(B) Diploid somatic cells
(C) Diploid meiocytes
(D) (a) and (c)



Mitotic division is also called equational division because

(A) Chromosome number in daughter cells is same
(B) Chromosome number in daughter cells and parental cell is same
(C) Amount of DNA is same in both the daughter cells
(D) Amount of DNA is same in both daughter and parental cell



Two DNA molecules in a chromosome are observed but not distinct is these phases

(A) S and G₂
(B) G₂, prophase
(C) Metaphase and anaphase.
(D) G₁ and G₂ phases



Condensation of chromosomal material is initiated during

(A) Prophase
(B) Metaphase
(C) Anaphase
(D) Telophase



Prophase is chracterised by

(A) Condensation of chromosomal material
(B) Centrioles move towards opposite poles of the cell
(C) Initiation of assembly of mitoticspindle
(D) All



Spindle fibres are chemically

(A) Carbohydrates
(B) Proteins
(C) Proteins and carbohydrates
(D) Proteins and fats



The following disappear at the end of prophase

(A) Nucleolus
(B) Nuclear envelope
(C) Golgi and ER
(D) All



Chromosomes are scattered in the cytoplasm during

(A) Early metaphase
(B) Late metaphase
(C) Early anaphase
(D) Late anaphase



Condensation of chromosomes is completed and can be observed clearly under microscope during

(A) Prophase
(B) Metaphase
(C) Anaphase
(D) Telophase



Kinetochores are disc shaped structures associated with

(A) Telomeres
(B) Centromeres
(C) Chromomeres
(D) Secondary constriction



Spindle fibres are attached to kinetochores of chromosomes in

(A) Metaphase
(B) Anaphase
(C) Telophase
(D) (a) and (b)



Chromatids of each chromosome are separated during

(A) Anaphase
(B) Anaphase-I
(C) Anaphase-II
(D) (a) and (c)



Chromosomes with one chromatid move towards the poles of the spindle during

(A) Anaphase-I
(B) Anaphase
(C) Metaphase
(D) Metaphase-I