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

Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:

The raw materials for photosynthesis include water and CO₂.

Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:

Land plants obtain their CO₂ from the atmosphere.

Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:

A variegated leaf (one that has green as well as white patches) will only photosynthesize in the green areas.

Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:

The dark reaction of Photosynthesis is light-independent.

Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:

Photosynthesis can also occur n artificial light such as that of a 100-watt electric lamp.

Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:

KOH absorbs CO₂.

Place the words at the bottom of the page next to the number that shows the location of the Endocrine Glands.

(1) ________
(2) ________
(3) ________
(4) ________
(5) ________
(6) ________
(7) ________
(8) ________
(9) ________

Pancreas Hypothalamus Pituitary Parathyroid Ovaries Adrenal Thyroid Thymus Testes

A thin strip of epidermal cells of a leaf was observed in a drop of water. They all looked turgid and normal.
(a) Draw a diagram of such a cell.
(b) Draw a diagram of a cell if this strip is transferred to a strong concentrated solution of sugar. What is term used for the effect on the cells ?

Given below is an outline of the human body showing the important glands.

(i) Name the glands marked 1 to 5.
(ii) Name the hormone secreted by 2. Give one important function of this hormone.
(iii) Name the endocrine cells present in part 3.
(iv) Name the hormone secreted by part 3. Give one important function of this hormone.

Some of the endocrine glands are shown by the guidelines.

(i) Name the glands 1 to 5.
(ii) Name any two endocrine glands which are not shown in the diagram.
(iii) Name one gland which is both exocrine and endocrine.

Study the diagram given below and then answer the questions that follow:

1. Name the cells of the pancreas that produce (1) glucagon (2) insulin.
2. State the main function of (1) glucagon and (2) insulin.
3. Why is the pancreas referred to as an exo-endocrine gland?
4. Why is insulin not given orally but is injected into the body?
5. What is the technical term for the cells of the pancreas that produce endocrine hormones?
6. Where in the body is the pancreas located?

Given alongside are the diagrammatic sketches of some endocrine glands. Observe the figures and answer the following questions:

(i) Label the parts numbered 1 to 5.
(ii) Name the hormones secreted by (2) and (5).
(iii) Which chemicals in our body are greatly affected by hormones?
(iv) What is the chemical nature of hormones?
(v) Name the elements related to the functioning of hormones secreted by the structure (2) and (5).

The sketch below shows a certain condition in an individual:

(i) Name the condition.
(ii) What is the underlying cause of this condition?
(iii) Name two other conditions that could have resulted due to a similar cause.
(iv) Which hormone is required for iodine synthesis?
(v) Where is the thyroid gland located?
(vi) The hormone secreted by the thyroid gland is controlled from which hormone?

Write the functional activity of the following structure:
Granum

Write the functional activity of the following structure:
Stroma

Write the functional activity of the following structure:
Chloroplasts

Write the functional activity of the following structure:
Thylakoids

State the Location

Prostate gland

Choose the Odd One Out

Choose the Odd One Out