Lysosomes are known as suicidal bags of the cell. Why?

Important Questions on Cell Cycle, Cell Division and Structure of Chromosomes

EASY

10th ICSE

IMPORTANT

A New Approach to Biology>Chapter 2 - Cell Cycle, Cell Division and Structure of Chromosomes>Exercises>Q 2

Draw a diagram of the nucleus of a cell, having chromosome number 6, as it would appear in the Metaphase stage of mitosis and label the following parts in the diagram; (1) Aster (2) Achromatic spindle (3) Chromatid (4) Centromere.

HARD

10th ICSE

IMPORTANT

A New Approach to Biology>Chapter 2 - Cell Cycle, Cell Division and Structure of Chromosomes>Exercises>Q 2

Mention the difference between mitosis and meiosis with reference to number of daughter cells formed at the end of the cell division.

HARD

10th ICSE

IMPORTANT

A New Approach to Biology>Chapter 2 - Cell Cycle, Cell Division and Structure of Chromosomes>Exercises>Q 2

Mention the difference between mitosis and meiosis with reference to the chromosome number of daughter cells formed.

EASY

10th ICSE

IMPORTANT

A New Approach to Biology>Chapter 2 - Cell Cycle, Cell Division and Structure of Chromosomes>Exercises>Q 3

Why is meiosis referred to as reduction division?

EASY

10th ICSE

IMPORTANT

A New Approach to Biology>Chapter 2 - Cell Cycle, Cell Division and Structure of Chromosomes>Exercises>Q 4

State how meiosis maintains chromosome number in a species.

EASY

10th ICSE

IMPORTANT

A New Approach to Biology>Chapter 2 - Cell Cycle, Cell Division and Structure of Chromosomes>Test Yourself - 1>Q 1

Chromonema represents a chromatid in the early stages of condensation.

EASY

10th ICSE

IMPORTANT

A New Approach to Biology>Chapter 2 - Cell Cycle, Cell Division and Structure of Chromosomes>Test Yourself - 1>Q 1

The disc-shapded structure found on chromosome is called chromomere.

EASY

10th ICSE

IMPORTANT

A New Approach to Biology>Chapter 2 - Cell Cycle, Cell Division and Structure of Chromosomes>Test Yourself - 1>Q 1

Chromatin fibres condense to form chromosomes.