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

Complete the following sentence with appropriate word:

The dissimilar pairs of genes present in an individual are known as _______________.

Complete the following sentence with appropriate word:

Upon _______the diploid condition is restored.

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

Most genetic diseases in man are recessive in character.

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

DNA has a double-helical structure.

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

Genes are responsible for genetic characters.

Explain why the grass in your lawn becomes greener if you add a little fertilizer to it, but it dies if you add a lot of it.

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

Mutation can be brought about artificially.

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

A female is responsible for the sex of the progeny.

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

Mendel experimented upon plants of Oryza sativa.

Write the functional activity of the following structure:

Genes

Write the functional activity of the following structure:

Autosomes

Choose the Odd One Out

Choose the Odd One Out

Choose the Odd One Out

Multiple Choice Question

Genetics is a branch of biology dealing with:

Multiple Choice Question

When an individual has both the genes of a contrasting character, it is said to be:

Multiple Choice Question

A cross was made between tall and dwarf plants. In F1 generation all plants were tall, when the F1 plants were selfed, the tall and dwarf plants appeared in a 3 : 1 ratio in the F2 generation. This phenomenon is known as:

Name the following:

The membrane which allows water molecules to pass through, but not sugar molecules.

Fill in the Blank
______  serves as a medium for the transport of inorganic salts and food molecules in the plant.

Fill in the Blank
Water and mineral salts absorbed by root is known as ______.