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

The diagram given below represents an experimental set – up to demonstrate a certain process. Study the same and answer the questions that follow: 

Keeping in mind the root- hair, cell and its surroundings, name the parts that correspond to

(1) concentrated sugar solution

(2) parchment paper and

(3) water in the beaker.

The diagram given below represents an experimental set – up to demonstrate a certain process. Study the same and answer the questions that follow: 

Name any other substance that can be used instead of parchment paper in the above experiment.

The diagram given below represents an experimental set-up to demonstrate a certain process. Study the same and answer the questions that follow: 

Mention two advantages of the process to the plants.

Identify the false statements and rewrite them correctly by changing the first or last word only.

Starch produced in a leaf remains stored in it for 2-3 weeks before it is used by other parts of the plant.

In the flowering plants, food is transported in the form of ______.

Enumerate the steps involved in testing a green leaf for the presence of starch.

A higher concentration of ethylene is found in

The figure given below shows the stages of ripening in a banana. Answer the questions that follow:

1. Name the plant hormone responsible for the above changes.
2. Mention two characteristic features of this hormone.

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.