Breasts Structure and Function

Q. What is true of gametes?

[Review question: Pg. No: 257]

1. They produce hormone
2. They are diploid
3. They are formed from gonads
4. They give rise to gonads

Q.

The type of breast tissues are

1. Glandular

2. Fatty

3. Fibrous connective tissue

4. All of the above

Q.

$\text{Match the following:}$
$\begin{array}{cc}ColumnI& ColumnII\\ \text{(i). Vellus hair}& \text{a. Surround and support the glandular tissue}\\ \text{(ii). Acini}& \text{b. Regulates temperature}\\ \text{(iii). Oxytocin, prolactin, progesterone}& \text{c. Modified sweat gland}\\ \text{(iv). Fatty tissue}& \text{d. Milk producing cuboidal cells}\\ \text{(v). Breast}& \text{e. Regulate pregnancy and lactation}\end{array}$

1. (i)➡d, (ii)➡c, (iii)➡a, (iv)➡b, (v)➡e

2. (i)➡b, (ii)➡c, (iii)➡d, (iv)➡a, (v)➡e

3. (i)➡b, (ii)➡d, (iii)➡e, (iv)➡a, (v)➡c

4. (i)➡d, (ii)➡b, (iii)➡a, (iv)➡c, (v)➡e

Q.

Identify the labelled parts in the given cross-section of female breast.

1. (i) Lobe (ii) Lobule (iii) Acini (iv) Lactiferous duct

2. (i) Lactiferous duct (ii) Lobule (iii) Lobe (iv) Acini

3. (i) Lobule (ii) Acini (iii) Lobe (iv) Lactiferous duct

4. (i) Lactiferous duct (ii) Acini (iii) Lobe (iv) Lobule