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

In a certain species of animals, black fur (B) is dominant over brown fur (b) Predict the genotype and phenotype of the offspring when both parents are ‘Bb’ or have heterozygous
black fur . 

Active transport is one in which the ions outside the roots are ___________.

Active transport is in a direction ______ to that of diffusion.

Name the following:

A plant in which the stomata are sunken 

Closing of ______ and shedding of leaves reduce ______.

Given below is an example of a certain structure and its special functional activity:

Chloroplasts and photosynthesis

In a similar way, write the functional activity against the following: 

Leaf spines and ______

Mention whether the following statement is (T) Or (F). Give reason in support of your answer. 

As you grow from childhood to adulthood, your skin cells divide only to replace such cells that are lost from the surface.

Shown below are four stages (A, B, C, D) (not in sequence) of a certain kind of cell division.

1. Is it a plant cell or an animal cell? Give two reasons.
2. Is it undergoing mitosis or meiosis?
3. What should be the correct sequence of these four stages among themselves?
4. Name the stage that should precede the earliest of these stages.
5. Draw the stage names above inside the blank space provided.

Why is cell division necessary?

Fill in the blank:

The energy for cell division is stored as ______.

Write a sentence of the following:
Secondary constriction

Identify the false statement and rewrite it correctly by changing the first or last word only.

Photosynthesis requires enzymes.

Identify the false statement and rewrite it correctly by changing the first or last word only.

Photosynthesis stops at a temperature of about 35°C.

Are the following statement true or false? Give a reason in support of your answer.

The outside atmospheric temperature has no effect on the rate of photosynthesis.

List two major harmful effects of the following:

Prolonged noise such as the one produced by crackers.

Mention any two measures to minimise noise pollution.

Look at a cartoonist's presentation of a kind of pollution given below.

1. Name the kind of pollution.
2. List the sources of pollution.
3. Mention any two harmful effects of this pollution.

Define cell division.