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Chapters
1: Living World
2: Plant Kingdom
UNIT II : Plant Morphology and Taxonomy of Angiosperm
3: Vegetative Morphology
4: Reproductive Morphology
5: Taxonomy and Systematic Botany
UNIT III : Cell biology and Biomolecules
6: Cell: The Unit of Life
▶ 7: Cell Cycle
8: Biomolecules
UNIT IV : Plant Anatomy (Structural Organisation)
9: Tissue and Tissue System
10: Secondary Growth
UNIT V : Plant Physiology (Functional Organisation)
11: Transport in plants
12: Mineral Nutrition
13: Photosynthesis
14: Respiration
15: Plant Growth and Development
![Samacheer Kalvi solutions for Botany [English] Class 11 TN Board chapter 7 - Cell Cycle - Shaalaa.com](/images/botany-english-class-11-tn-board_6:5f2b1b2038084cf381bfa42c826a928c.jpg "Samacheer Kalvi solutions for Botany [English] Class 11 TN Board chapter 7 - Cell Cycle")
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Solutions for Chapter 7: Cell Cycle
Below listed, you can find solutions for Chapter 7 of Tamil Nadu Board of Secondary Education Samacheer Kalvi for Botany [English] Class 11 TN Board.
Samacheer Kalvi solutions for Botany [English] Class 11 TN Board 7 Cell Cycle Evaluation [Page 274]
The correct sequence in cell cycle is
S-M-G1-G2
S-G1-G2-M
G1-S-G2-M
M-G-G2-S
If the mitotic division is restricted in G1 phase of the cell cycle then the condition is known as ______.
S Phase
G2 Phase
M Phase
G0 Phase
Anaphase promoting complex APC is a protein degradation machinery necessary for proper mitosis of animal cells. If APC is defective in human cell, which of the following is expected to occur?
Chromosomes will be fragmented
Chromosomes will not condense
Chromosomes will not segregate
Recombination of chromosomes will occur
In S phase of the cell cycle ______.
Amount of DNA doubles in each cell
Amount of DNA remains same in each cell
Chromosome number is increased
Amount of DNA is reduced to half in each cell
Centromere is required for ______.
transcription
crossing over
Cytoplasmic cleavage
movement of chromosome towards pole
Synapsis occur between ______.
mRNA and ribosomes
Spindle fibres and centromeres
Two homologous chromosomes
A male and a female gamete
In meiosis crossing over is initiated at ______.
Diplotene
Leptotene
Pachytene
Zygotene
Colchicine prevents the mitosis of the cells at which of the following stage______.
Anaphase
Prophase
Metaphase
interphase
The paring of homologous chromosomes on meiosis is known as ______.
Bivalent
Disjunction
Synapsis
Synergids
Anastral mitosis is the characteristic feature of
Lower animals
Higher animals
Higher plants
All living organisms
Write any three significance of mitosis.
Differentiate between mitosis and meiosis.
Given an account of G0 phase
Differentiate cytokinesis in plant cells and animal cells.
Write about Pachytene and Diplotene of Prophase I
Solutions for 7: Cell Cycle
Samacheer Kalvi solutions for Botany [English] Class 11 TN Board chapter 7 - Cell Cycle
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Concepts covered in Botany [English] Class 11 TN Board chapter 7 Cell Cycle are History of a Cell, Cell Cycle, Introduction of Cell Division, Mitogens, Differences Between Mitosis and Meiosis.
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