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

Distinguish between the following pair of words:
Myopia and hypermetropia

Write whether the following is true or false:
A convex lens is used for correcting myopia.

Given alongside is a diagram depicting a defect of the human eye. Study the same and then answer the questions that follow: 
(i) Identify the defect. 
(ii) Name the parts labelled 1, 2 and 3. 
(iii) Give labelled two possible reasons for this eye defect. 
(iv) Draw a labelled diagram to show how the above mentioned defect is rectified. 

The diagram alongside represents a section of a mammalian eye.
(i) Label the parts 1 to 5 of the diagram.
(ii) State the function of the parts labelled 4 and 5.
(iii) With the help of a diagram show the short sightedness.

Choose the correct answer : 
Presbyopia is a disease of _____________

In which one of the following options the two stages of mitosis have been given in correct sequence?

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:

Xylem and ______

Briefly explain how the rate of transpiration is affected by:

Humidity of the atmosphere

The figure given below represents an experimental setup with a weighing machine to demonstrate a particular process in plants. The experimental setup was placed in bright sunlight. Study the diagram and answer the following questions.

Define the above mentioned process. 

The figure given below represents an experimental setup with a weighing machine to demonstrate a particular process in plants. The experimental setup was placed in bright sunlight. Study the diagram and answer the following questions.

When the weight of the test tubes A and B is taken before and after the experiment, what change is observed? Justify. 

The figure given below represents an experimental setup with a weighing machine to demonstrate a particular process in plants.  The experimental setup was placed in bright sunlight. Study the diagram and answer the following questions.

What is the purpose of keeping the test tube B in the experimental setup? 

Name the following:

The source of carbon dioxide for aquatic plants. 

Mention one difference between the following on the basis of what is given in bracket.

Chlorophyll and chloroplast (part of plant cell)

The chemical substance used to test the presence of starch in the cell of a leaf is ______.

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

Destarching of the leaves of a potted plant can occur only at night.

Why is it not possible to demonstrate respiration in a green plant kept in sunlight?

How would you demonstrate that green plants release oxygen when exposed to light?

How do non-green plants such as fungi and bacteria obtain their nourishment?