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

Is ozone depletion related to global warming?

What is the difference between stratospheric and ground level ozone?

Which Gas is present in large amount in the upper part of stratosphere.

Number of Oxygen atom in Ozone.

The chemicals leading to the formation of ozone holes.

Give Technical Terms:

The chemicals leading to the formation of ozone holes.

Fill in the Blanks:

The ______ is the layer of the atmosphere that contains the protective ozone layer

What is cytokinesis?

Fill in the Blanks:

______ is manmade compounds that have been widely used as refrigerants and in spray propellants and foam blowing.

True or False:

Ozone in the Troposphere is a harmful pollutant.

Ozone is abundant in this layer. Ozone heats this layer as it absorbs from incoming ultraviolet radiation from the sun:

Explain the significance of mitosis.

Give Reasons for the following
The mitosis is called equational division.

Differentiate between
Centrifugal cytokinesis and Centripetal cytokinesis.

Give a labeled diagram to illustrate amitosis.

Give Technical Terms

The shortest phase of mitosis.

Give Technical Terms

The division which brings about vegetative growth.

Complete the following sentence with appropriate word  :

The type of cell division that occurs in the apical meristem of plants is ______.

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

Somatic cells of a multicellular organism arise from a single cell by mitosis.

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

Asexual reproduction is accomplished through mitosis.