Chloroplasts:
I. have their own DNA and make all proteins needed by them
II. have a uniparental inheritance
III. cannot be made by the plant cell
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct

The absorption spectrum shown in the given figure can be of:

   
1. Chlorophyll a
2. Chlorophyll b
3. Carotenoids
4. Either 1 or 2