(English Medium) ICSE Class 10 - CISCE Question Bank Solutions

Give Technical Terms

The stage at which progressive condensation and coiling of chromatin fibers.

Give Technical Terms

The stage at meiosis at which there are two cells, each with sister chromatids aligned at the equator.

Complete the following sentence with appropriate word  :

_______is the point at which sister chromatids are held together.

Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:

Chromosomes are arranged in the form of chromatids at the equator in prophase.

List four common diseases prevalent in India. What measures have been taken to eradicate them?

State three bacterial diseases. For each disease mention one preventive measure.

How are humans protected against bacterial infection?

Multiple Choice Question:

The centromere divides into two in

Name the Following: List any three common health problems in India.

Name the Following: When was the universal immunization program launched in India?

What is a gene? How is it related to heredity?

 Give the significance of mutation.

What is crossing-over? What are the factors affecting it?

Mutation alerts the hereditary material. Give reasons.

Differentiate Between Homozygous shows Heterozygous.

Differentiate between genotype and phenotype.

State Mendel’s Law of Dominance.

A pure tall plant (TT) is crossed with a pure dwarf plant (tt).
Draw Punnet squares to show
(1) F₂ generation
(2) F₂ generation.

Give the Phenotype of the F₂ generation.

Give the Phenotypic and Genotypic ratio of the F₂ and F₂ generation.