Q16 of 54 Page 51

Copy the diagram and label the parts with the help of the clues given:


i) It is otherwise called supra renal gland.


ii) It secretes two hormones, namely aldosterone and cortisone.

i) It is otherwise called supra-renal gland.



ii) It secretes two hormones, namely aldosterone, and cortisone.


a) It is otherwise called supra renal gland – Adrenal gland


b) It secretes two hormones, namely aldosterone, and cortisone -


More from this chapter

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14

Here are a few statements about the endocrine system in man. State whether each of them is true or false. If the statement is false write the correct statement.

i) The endocrine system controls and co-ordinates the physical process of growth, reproduction, and sustenance of life.


ii) Endocrine glands are duct bearing glands which secrete chemical substances called hormones.


iii) The pancreas is a dual gland.


iv) Malfunctioning of the thymus gland causes goiter.

15

Copy and complete the following table:

 17

Copy and identify the types of neurons given below:

 18

Here are some statements about meiosis. State whether each of them is true or false:

i) It takes place in somatic cells.


ii) Meiosis is also called reduction division.


iii) The pairing of homologous chromosomes is called crossing over.


iv) Meiosis leads to variations which form the raw material for evolution.