One day, Geeta asked her daughter aunt, " Why do breasts produce milk only after delivery ? Her aunt expalined her about the role of hormones in females.
(i) Which hormone stimulates milk production after delivery ? What is its other role ?
(ii) Which endocrine gland secretes this hormone ?
(iii) In what way is breast feeding good for the newly born ?

(i) Which hormone requires iodine for its formation ? What will happen if intake of iodine in our diet is low ? (ii) What is the importance of raivater harvesting ? (iii) What is colosturm ? How is milk production hormonally regulated ?

The two glands A and B which occur in pairs, are present in the endocrine system of humans. The pair of glands A is found onlyin females whereas the pair of glands B occurs only in males. The glands A make and secrete two hormones C and D whereas glands B make and secrete only one hormone E. In addition to hormones, glands A make gametes F whereas glands B make gametes G. What are glands A? What are hormones C and D? (c) What are glands B? Name the hormone E. (d) What are gametes (i) F, and (ii) G? (e) Which event in the life of males and females is associated with the secretion of hormones, C,D and E?

Ms. Jayshree recently completed her Postgraduate Diploma in Human Resource Management. A few months from now a large steel manufacturing company appointed her as its Human Resource Manager. As of no company employs 800 persons and has an expansion plan in hand which may require another 200 persons. for various types of additional requirements. Ms. Jayshree has been given complete charge of the company's human resource department. (i) Point out, what function does she suppose to perform? (ii) What problems do you forsee in her job? (iii) What steps is she going to take to perform her job efficiently? (iv) How significant is her role in the organisation?