Write a name of disorder caused by thyroid.

A person lacks iodine in this diet. Which disorder he likely to suffer from?

Unscramble the underlined words in the following sentences.

(a) Reproductive life of a woman lasts from hacreemn to spauoemen.

(b) The development of a caterpillar to an adult butterfly is termed as poommertaissh.

(c) The overgrowth of sumselc in xalnyr leads to the hoarse voice in adolescent boys.

(d) Dannalier helps the body to adjust and fight the stress.

Complete the following sentences.

(a) In females, the uterine wall thickens to receive the __________.

(b) Endocrine glands release hormones directly into _________for transportation to the __________.

(c) The sex hormones, _________________ and estrogen are responsible for the development of __________ characters.

(d) Release of sex hormones is under the control of a hormone secreted from the __________.

The dramatic changes in body features associated with puberty are mainly because of the secretions of:

A) Thyroxine

B) Estrogen

C) Adrenaline

D) Testosterone

Which of the following is a mis-matched pair?

It was observed that the tadpoles are not growing into adult frogs in a village pond. A scientist who was asked to find the reason for this concluded that the pond water did not contain sufficient amount of a mineral P which could make a hormone Q. The hormone Q can causes a phenomenon R in tadpoles so that they become adult frogs.

(a) What are (i) P (ii) Q, and (ii) R?

(b) name one human disease which can also be caused due to the deficiency of P in the food and water.

A gland W is located just below the stomach in the human body. The gland W secrets a hormone X. The deficiency of hormone X in the body causes a disease Y in which the blood sugar level of a person rises too much. The person having high blood sugar is called Z. What are W, X, Y and Z?

A doctor advised a person to take injection of insulin because:

The hormone which is associated with male puberty is called:

Iodine is necessary for the synthesis of one of the following hormones. This hormone is: