Gut and Glands

Q. Match the following:
$\begin{array}{cc}\text{Layers of the alimentary canal}& \text{Description}\\ \text{1. Serosa}& \text{i) It is the innermost layer. It contains irregular folds and}\\ & \text{gastric glands in the stomach region.}\\ \text{2. Muscularis}& \text{ii) It is made up of loose connective tissues. It contains}\\ & \text{lymph blood and nerves}\\ \text{3. Submucosa}& \text{iii) It is the outermost layer. It is made up of mesothelium}\\ & \text{and connective tissue.}\\ \text{4. Mucosa}& \text{iv) It is made up of smooth muscles. It is longitudinal from}\\ & \text{outside and circular from inside.}\end{array}$

1. 1-i, 2-iii, 3-iv, 4-ii
2. 1-ii, 2-ii, 3-iv, 4-iii
3. 1-iv, 2-i, 3-iii, 4-ii
4. 1-iii, 2-iv, 3-ii, 4-i

Q.

Regarding the assertion and reason; choose the correct option.

Assertion [A]: Salivary glands and intestinal glands are intrinsic glands.

Reason [R]: They aid in intracellular digestion.

1. [A] is True and [R] is False.

2. [R] is True and [A] is False

3. [A] and [R] are True, and [R] is a correct explanation to [A]

4. [A] and [R] are True, but [R] is not a correct explanation to [A].