Lactation

Read the following statements and select the correct option:

I. Breastfeeding in the initial period of infant growth is recommended by doctors.

II. Colostrum contains several antibodies absolutely necessary for the growth and development of the newborn.

Which of the following antibodies is present abundantly in the colostrum secreted during the initial days of human lactation?

Which of the following is a method of off-the-job training?

Which livestock is most commonly associated with pastoralism in the Maasai community of East Africa?

What is the primary purpose of pastoralism?

In which region is nomadic pastoralism most commonly practiced?

Which type of pastoralism involves the seasonal movement of people along with their livestock?

Cotyledons are also called-

The correct pathway of milk ejection from mammary glands is

(i) Sensory impulses are transmitted through somatic nerves from the nipples to the mother's spinal cord and then to her hypothalamus.
(ii) Expulsion of milk from alveoli into the ducts.
(iii) Suckling action of baby on the breast.
(iv) Contraction of myoepithelial cells.
(v) Secretion of oxytocin.

Given below is a labelled diagram of the mammary gland, of which some parts are labelled as A, B, C and D.
Based on these labels, choose the part that contains the cluster of cells which secrete milk.

During the initial days of lactation, the milk produced is termed as