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

Given below is a group of terms. In the group, one pair indicates the relationship between the two terms. Rewrite and complete the second pair on a similar basis.

Sperm : Spermatogenesis :: Ovum : ______.

Given below is a group of terms. In the group, one pair indicates the relationship between the two terms. Rewrite and complete the second pair on a similar basis.

Follicle cells : Ova :: ______ : Sperms.

Choose the odd one out from the group of terms given below and write the category for the remaining terms:

Choose the odd one out from the group of terms given below and write the category for the remaining terms:

Write important function of the following:

Testis

Can there be any abnormal situation regarding testes location? If so, what is that and what is the harm caused due to it?

The figure given ahead is an organ system of humans. Study the same and answer the following questions.

1. Identify the organ system.
2. Label the guidelines 1 to 7.
3. Write one important role of parts 3 and 6.
4. Name the cells of part 1 that produce testosterone.
5. What is the significance of the part 1 being located in a separate sac suspended outside the body?

The figure given below is an important gonad of humans. Study the figure and answer the following questions.

1. Identify the organ. Write its specific location in the body.
2. Label the parts shown in the figure as 1 to 4.
3. Write important functions of parts 2 and 4.
4. Name one cellular structure and one hormone which are produced in part 3.
5. Draw a neat and labelled diagram of the cellular structure mentioned by you in (d).

Given below is the outline of the male reproductive system. Name the parts labelled 1 to 8. Also name the corresponding structure of part (4) in female reproductive system.

The accumulation of high quantities of urea in the human body is termed as ______.

Differentiate between Diuresis and Uremia (problem).

Differentiate between Diffusion and Osmosis (Definition)

Differentiate between Turgor pressure and Wall pressure (explain)

A candidate in order to study the process of osmosis has taken 3 potato cubes and put them in 3 different beakers containing 3 different solutions. After 24 hours, in the first beaker the potato cube increased in size, in the second beaker the potato cube decreased in size and in the third beaker there was no change in the size of the potato cube. The following diagram shows the result of the same experiment:

(i) Give the technical terms of the solutions used in beakers, 1, 2 and 3.
(ii) In beaker 3, the size of the potato cube remains the same. Explain the reason in brief.
(iii) Write the specific feature of the cell sap of root hairs which helps in absorption of water.
(iv) What is osmosis?
(v) How does a cell wall and a cell membrane differ in their permeability?

Give appropriate biological or technical terms for the following :

Movement of molecules of a substance from their higher concentration to lower concentration when they are in direct contact.

Differentiate between the following pairs on the basis of what is indicated in the brackets.

Hypotonic solution and Hypertonic solution [condition of a plant cell when placed in them]

A plant cell placed in a certain solution got plasmolysed. What was the kind of solution?

Movement of molecules of a substance from the region of their higher concentration to the region of their lower concentration without the involvement a separating membrane, is called

Osmosis and diffusion are the same except that osmosis there is:

The highest water potential (capacity to move out higher concentrated solution) is that of ______.