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

Which part of the eye is grafted in a needy patient from a donated eye?

Name the following:

The photosensitive pigment present in the rods of the retina.

Name the following:

The eye defect caused due to shortening of the eye ball from front to back.

Differentiate between members of the following pair with reference to what is asked in bracket.

Myopia and hyperopia (cause of the defect)

Differentiate between members of the following pair with reference to what is asked in the bracket.

Rods and cones (sensitivity).

Name an old age eye defect. What happens in it?

What is meant by optical illusion? Give one example.

Describe the mechanism of focusing the image of a distant object in your eye when you raise your head after reading a book.

By closing the eyes and gently pressing them by your palms, you may see some specks of brilliant light. How do you get this sensation while there is no light entering your eyes?

Explain the terms ‘adaptation’ and ‘accommodation’ with reference to the eye.

You do not enjoy watching a movie from a very short distance from the screen in a cinema hall. Why?

Enumerate the common defects of vision, their causes and the possible methods of correcting them.

Given below is a diagram depicting a defect of the human eye. Study the same and answer the question that follow:

Name the defect shown in the diagram.

Have a look at the posture of this girl who is reading a book and answer the questions which follow:

Name the problem she is facing.

State the main functions of the following: 
 Tears 

Given below is an apparatus which has setup to investigate a physiological process in plants. The setup was placed in bright sunlight. Answer the questions that follow:

Name the process being studies. Define the process.

Given below is an apparatus which has setup to investigate a physiological process in plants. The setup was placed in bright sunlight. Answer the questions that follow:

Why was the pot enclosed in a rubber sheet? 

 Given below is an apparatus which has setup to investigate a physiological process  in plants. The setup was placed in bright sunlight. Answer the questions that follow:

List two adaptations in plants to reduce the above process. 

Given below is an apparatus which has setup to investigate a physiological process in plants. The setup was placed in bright sunlight. Answer the questions that follow:

 Draw a neat, labelled diagram of a stomatal apparatus.