Golgi complex and endoplasmic reticulum cannot be seen during

b) late prophase | Cells, when viewed under microscope at the end of prophase, do not show golgi complex, endoplasmic reticulum, nucleolus and nuclear envelope.

Cell plate grows from

b) centre to the walls | Cell plate grows during cytokinesis from centre to the walls

Choose the correct sequence. A. Chromatin condensation B. Protein synthesis C. Duplication of centrioles D. Centrioles moves towards opposite poles

b) C, B, A, D | Duplication of centrioles occurs in S-phase.Protein synthesis occurs in G2 phase.chromatin condensation is followed by centrioles movement towards the poles. (Prophase)

Karyokinesis is the term used for

d) separation of daughter chromosomes | Karyokinesis means separation of daughter chromosomes.Cytokinesis means division of cytoplasm

Arrange the following events of meiosis in the correct sequence: I. Terminalization II. Crossing over III. Synapsis IV. Disjunction of genomes The correct sequences

b) III, II, I, IV | III, II, I, IV

The major event that occurs during the anaphase of mitosis, which brings about the equal distribution of chromosomes, is

a) splitting of the centromeres |

Choose the correct sequence. A. Pachytene B. Zygotene C. Leptotene D. Diakinesis E. Diplotene

c) C, B, A, E, D | These are the five phases of prophase I of Meiosis I based on the chromosomal behaviour

How many chromosomes are there in onion root tip cell?

b) 16 | There are 16 chromosomes in onion root tip cell.

Which of the following cellular structures always disappears during mitosis and meiosis?

b) Nucleolus and nuclear envelope |

In which phase of cell cycle, proteins are synthesised?

c) G2 | In G2 phase of cell cycle, proteins are synthesised for mitosis and cell growth continues

Synaptonemal complex dissolves in _____ stage.

d) Diplotene | Synaptonemal complex dissolves in diplotene stage of Prophase I.

Synapsis occurs between

d) Two homologous chromosomes | Two homologous chromosomes

The number of chromosome and the amount of DNA are changed in

b) Anaphase and S phase | Anaphase and S phase

In mitosis, nuclear envelope and nucleolus disappear during

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Q.7. In mitosis, nuclear envelope and nucleolus disappear during

Metaphase
Interphase
Prophase
Telophase

Answer: (c) Prophase

Cell Division And Cell Cycle (Class 11th Biology) Revision Test | MCQs For NEET

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Pratice these important questions from the chapter - cell division and cell cycle (class 11th Biology) for the viva, neet, and other competitive entrance exams. Start Test without Login in
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Q.No.	Que title	Option 1 (a)	Option 2 (b)	Option 3 (c)	Option 4 (d)
1	Golgi complex and endoplasmic reticulum cannot be seen during	late telophase	late prophase	early anaphase	late metaphase
2	Cell plate grows from	walls to the centre	centre to the walls	in patches	simultaneously
3	Choose the correct sequence. A. Chromatin condensation B. Protein synthesis C. Duplication of centrioles D. Centrioles moves towards opposite poles	C, A, B, D	C, B, A, D	C, D, B, A	A, C, D, B
4	If you are provided with root-tips of onion in your class and are asked to count the chromosomes which of the following stages can you most conveniently look into	Prophase	Anaphase	Telophase	Metaphase
5	Karyokinesis is the term used for	division of cytoplasm	division of nucleoplasm	division of nucleus	separation of daughter chromosomes
6	During which stage the chromosomes first become visible	Anaphase	Metaphase	Prophase	Telophase
7	In mitosis, nuclear envelope and nucleolus disappear during	Metaphase	Interphase	Prophase	Telophase
8	Arrange the following events of meiosis in the correct sequence: I. Terminalization II. Crossing over III. Synapsis IV. Disjunction of genomes The correct sequences	II, I, IV, III	III, II, I, IV	IV, III, II, I	I, IV, III, II
9	The major event that occurs during the anaphase of mitosis, which brings about the equal distribution of chromosomes, is	splitting of the centromeres	splitting of the chromatids	replication of the genetic material	condensation of the chromatin
10	what type of plant is formed when colchicine is used in the process of development of Raphanobrassica?	Autotetraploid	Haploid	Triploid	Allotetraploid
11	Meiosis occurs for the human female in ______.	Pancreas	Liver	Ovary	Kidney
12	Choose the correct sequence. A. Pachytene B. Zygotene C. Leptotene D. Diakinesis E. Diplotene	C, B, A, D, E	C, A, B, E, D	C, B, A, E, D	D, B, C, E, A
13	How many chromosomes are there in onion root tip cell?	6	16	26	36
14	Lampbrush chromosomes are observed in	Mitotic prophase	Mitotic metaphase	Meiotic metaphase	Meiotic prophase
15	Which of the following cellular structures always disappears during mitosis and meiosis?	Plasma membrane	Nucleolus and nuclear envelope	Plastids	none of these
16	Centromere is a constituent of	Ribosome	ER	Chromosome	Mitochondrion
17	In which phase of cell cycle, proteins are synthesised?	G0	G1	G2	S
18		Early prophase	Early metaphase	Early telophase	Early anaphase
19	The stage in which daughter chromosomes move toward the poles of the spindle is	Anaphase	Metaphase	Prophase	Telophase
20	Synaptonemal complex dissolves in _____ stage.	Zygotene	Pachytene	Diakinesis	Diplotene
21	Synapsis occurs between	A male and female gametes	Ribosome and m-RNA	Spindle fibres and centromeres	Two homologous chromosomes
22	Division of nucleus without being followed by cytokinesis results into	Phargmoplast	Polyploidy	Uninucleate condition	Multinucleate condition
23	A cell plate is laid down during	Cytokinesis	Interphase	Karyokinesis	None of these
24	Crossing over results the exchange of genetic material, which occurs between	Non-sister chromosomes	Sister chromatids	Non-homologous chromosome	Homologous chromosomes
25	The number of chromosome and the amount of DNA are changed in	Metaphase and M phase	Anaphase and S phase	Interphase and S phase	None of these

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