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

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

Choose the Odd One Out

Choose the Odd One Out

State the Function

Thyroxin

State the Function

Testosterone

State the Function

Oestradiol

State the Function

Progesterone

State the Function of Relaxin.

State the Function

Oxytocin

Choose the Odd One Out

Choose the Odd One Out

Choose the Correct Answer:
Which one of the following would not be a limiting factor for photosynthesis?

Choose the Odd One Out

Choose the Odd One Out.

Choose the Odd One Out