(English Medium) ICSE Class 10 - CISCE Important Questions for Biology

1. Name the endocrine gland shown in the diagram.
2. Name the secretion of the gland which regulates basal metabolism.
3. Name the mineral element required for the synthesis of the above mentioned hormone.
4. Name the disease caused due to undersecretion of the above mentioned hormone in children.
5. Name the disease caused due to hypersecretion of the above mentioned hormone.

Gigantism and Acromegaly are due to :
A. Hyposecretion of Thyroxine
B. Hyposecretion of Growth hormone
C. Hypersecretion of Thyroxine
D. Hypersecretion of Growth hormone

Given below is the outline of the human body showing the important glands:

1. Name the glands marked 1 to 4.
2. Name the hormone secreted by part 2. Give one important function of this hormone.
3. Name the endocrine part of the numbered 3.
4. Why is the part labelled 1 called the master gland? Which part of the forebrain controls the gland labelled 1?
5. Name the gland that secretes the ‘emergency hormone’.

Briefly explain the following terms: Hormone

Rewrite the correct form of the statement : Alpha cells of pancreas secrete Insulin.

Rewrite the correct form of the statement: Cretinism is caused due to deficiency of Adrenaline.

fill in the blanks with suitable functions: Thyroid gland and _________

The hormone secreted by islets of langerhans.

Identify the odd one in each set : Oxytocin, Insulin, Prolactin, Progesterone

Cretinism and Myxoedema are due to

A. Hypersecretion of thyroxin

B. Hypersecretion of growth hormone

C. Hyposecretion of thyroxin

D. Hyposecretion of growth hormone

Explain Hormones.

Give technical terms for the A method of contraception in which the sperm duct is cut and ligated

Give technical terms for Group of hormones which influence other endocrine glands to produce hormones

Match the items given in Column A with the most appropriate ones in Column B and rewrite the correct matching pairs

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

Testosterone and Oestrogen [organ which secrets]

 Identify the ODD term in each set and name the CATEGORY to which the remaining three belong : 
Example : glucose, starch, cellulose, calcium
Odd term : calcium
Category : others are different types of carbohydrates 
Addison’s disease, Cushing’s Syndrome, Acromegaly, Leukemia 

 Identify the ODD term in each set and name the CATEGORY to which the remaining three belong :
Example : glucose, starch, cellulose, calcium
                 Odd term : calcium Category : others are different types of                            carbohydrates
 Insulin, Adrenaline, Pepsin, Thyroxine 

 The diagram given below represents an organ system in the human body. Study the same and answer the questions that follow : 

Draw a neat, labelled diagram showing the longitudinal section of part 1. 

The diagram given below represents an endocrine gland in the human body. Study the  diagram and answer the following questions:

1. Identify the endocrine gland. Where is it located?
2. Why is the above gland referred to as the ‘Master gland’?
3. Name the hormone which in deficiency causes Diabetes Insipidus. How does this disorder differ from Diabetes Mellitus?
4. Explain the term ‘Hormone’. What is the role of Tropic hormones in the human body?
5. Which lobe of the above gland secretes:
   1. Oxytocin
   2. ACTH
   3. Growth hormone