(a) Draw a diagrammatic sectional view of a mature anatropous ovule and label the following parts in it :
(i) that develops into seed coat.
(ii) that develops into an embryo after fertilization.
(iii) that develops into an endosperm in an albuminous seed.
(iv) through which the pollen tube gains entry into the embryo sac.
(v) that attaches the ovule to the placenta.
(b) Describe the characteristic features of wind pollinated flowers.

Explanation

### Step-by-Step Solution

#### (a) Diagrammatic Sectional View of a Mature Anatropous Ovule

1. **Draw the Outline of the Ovule**: Start by sketching a bean-shaped structure to represent the mature anatropous ovule.

2. **Label the Funicle**: At one end of the ovule, draw a short stalk-like structure and label it as the "Funicle." This part attaches the ovule to the placenta.

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