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

Guttation takes place through:

Name the following: 

The process by which the intact plant loses water in the form of droplets. 

Name the following:

The structure in a leaf that allows guttation.

Name the following:

Loss of water as droplets from the margins of certain leaves. 

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:

Hydathodes and ______

The diagram below represents a stage during cell division. Study the same and then answer the questions that follow: 

1. Name the parts labelled 1, 2, and 3.
2. Identify the above stage and give a reason to support your answer.
3. Mention where in the body this type of cell division occurs.
4. Name the stage prior to this stage and draw a diagram to represent the same.

Given below is a diagram representing a stage during mitotic cell division in an animal cell Examine it carefully and answer the questions which follow.

1. Identify the stage. Give one reason in support of your answer.
2. Name the cell organelle that forms the ‘aster’.
3. Name the parts labelled 1, 2 and 3.
4. Name the stage that follows the one shown above; how is that stage identified?
5. Mention two differences between mitosis and meiosis with regards to:
   1. The number of daughter cells produced.
   2. The chromosome number in the daughter cells.

 Give suitable biological reasons for the following statement: 
Root hairs become flaccid and droop when excess fertilizers are added to the moist soil around them. 

Describe anaphase in mitosis.

Define the following:

Karyokinesis

Fill in the blank:

______ takes place in body cells resulting in growth and development.

Fill in the blank:

______ is the indirect cell division.

The diagram given alongside represents a stage in cell division.
Study the same and answer the questions that follow:

(i) Identify the stage of cell division.
(ii) Name the parts labeled A,B,C and D.
(iii) What is the unique feature observed in this stage?
(iv) Where does this type of cell division usually occur?
(v) How many daughter cells are formed from this type of cell division?
(vi) Is the dividing cell shown a plant or an animal cell?
Give a reason to support your answer.

The fig given alongside shows a certain stage in a cell division in a cell  with four chromosomes.

(i) Name the parts of the chromosome labeled A and B.
(ii) Name the structure C. what is its function?
(iii) Name the type of division . Give a reason.
(iv) Name the stage of division.
(v) Name the stages before and after the stage shown in diagram.