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

Define the following:    
Implantation

Label the folowing diagram 

Name the following:
Hormone regulating metamorphosis

Name the following:
The hormone that controls the basal metabolic rate

Give the special function of the following:
Thyroid stimulating hormone

Select the odd one out of the following:
TSH, ACTH, Insulin

Define the following:
Hypothyroidism

Name the hormone produced by the following glands giving one function of each:
(i) Thyroid (ii) Pancreas (iii) Adrenal medulla

Define the following:
Exophthalmic goiter

Name the hormone responsible for the following function:
Regulates basal metabolism

Write briefly about
Exophthalmic goitre (symptoms and cause).

Name the following:

The compound which stores energy in the cells.

Identify the false statement and rewrite it correctly by changing the first or last word only.

Dark reaction of photosynthesis occurs during night time.

The dark reaction of photosynthesis is known as ______.

Are the following statement true or false? Give a reason in support of your answer.

If a plant is kept in bright light all the 24 hours for a few days, the dark reaction (biosynthetic phase) will fail to occur.

Given below are five terms. Rewrite the terms in the correct order so as to be in logical sequence with regard to photosynthesis:

(i) water molecules, (ii) oxygen, (iii) grana, (iv) hydrogen and hydroxyl ions, (v) photons.

Why is it necessary to place a plant in the dark before starting an experiment on photosynthesis? Explain.

Describe the main chemical changes which occur during photosynthesis in a dark reaction.

List two major harmful effects of the following:

Pesticides such as DDT used in agriculture.