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

With respect to human eye explain:
(i) How is the image formed on the retina?
(ii) How is the amount of light entering the eye-controlled?
(iii) What type of lens is used for the correction of ‘Long sight’ defect?
(iv) With the help of a ray, diagram show the defect of the eye and then its correction after the use of a lens.

Mention, if the following statement is True or False
Hypermetropia is a defect of the eye caused due to the eyeball elongation

 Choose the Odd One Out: 

 Choose the Odd One Out: 

Write the overall chemical equation for photosynthesis.

A teacher drew the diagram of the heart on the blackboard and told the students to copy it in their notebooks. Mahesh couldn't see the diagram clearly as it appeared blurred to him.

1. Name the defect of the eye Mahesh is suffering from.
2. Where is the image formed in this defect?
3. Mahesh consults an eye doctor and is prescribed suitable lenses to correct the defect. Which type of lens do his spectacles have?

The diagram given below represents a stage in mitosis.

1. Identify the stage given above.
2. Give one reason to support your answer in (a).
3. Mention the number of chromosomes given in the diagram.

During Mitosis what is the position of chromatids in metaphase?

During Mitosis what is the position of chromatids in the anaphase?

The phase of karyokinesis which is almost the reverse of prophase is ______.

Name these:

Two steps of the process Mitosis

Transpiration is significant for all except ______.

Give a reason/suitable explanation.

Forests tend to bring more rains.

An outline sketch of a tree is shown in a diagram below. Study the same and answer the questions that follow:

1. Name and define the phenomenon labelled A in the diagram.
2. Write the significance of the process mentioned in A for the plants.
3. What do the direction of the arrows in B and C indicate? Name the phenomena.
4. Draw a neat and labelled diagram of an opened stomata.

Which of the following is used to remove chlorophyll from the leaves?

Name two aquatic plants which can be used for the experiment of photosynthesis.

Name two plants having variegated leaves.

Match the terms given in column A with column B:

Given below is the figure of an experimental set-up, showing a physiological act of the plants. Study and answer the following questions:

1. What is the objective of this experiment?
2. Name and define the process shown here.
3. Why do we destarch the leaves before performing the experiment?
4. How do we destarch the leaves?
5. What will be the observation when we pour iodine solution over the bleached experimental leaf?
6. Write a well-balanced equation for the above process.

Give reasons/explain:

During the starch test, the leaf is boiled in water.