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

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.

1. A pure tall plant (TT) is crossed with a pure dwarf plant (tt). Draw Punnett squares to show
   1. F₁, generation
   2. F₂ generation.
2. Give the phenotype of F₂ generation.
3. Give the phenotype and genotypic ratios of the F₁ and F₂ generations.

Give the Phenotype of the F₂ generation.

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

Explain the Term Heredity.

Explain the Term Variation.

Explain the Term Dominance.

Explain the Term Mutation.

Explain the Term Crossing-over.