1. In the given figure, which component has thin outer walls and highly thickened inner walls?

(1).A

(2). B

(3). C

(4). D

2. Bulliform cells are responsible for-

(1).Increased photosynthesis in monocots

(2). Providing large spaces for storage of sugars

(3). Inward curling of leaves in monocots

(4). Protecting the plant from salt stress

3. Formation of interfascicular cambium from fully developed parenchyma cells is an example for

(1).Dedifferentiation

(2). Maturation

(3). Differentiation

(4). Redifferentiation

4. Find the statement that is NOT correct with regard to the structure of monocot stem.

(1).Phloem parenchyma is absent.

(2). Hypodermis is parenchymatous.

(3). Vascular bundles are scattered.

(4). Vascular bundles are conjoint and closed.