The structures that are formed by stacking of organized flattened membranous sacs in the chloroplasts are:
Stroma lamellae
Stroma
Cristae
Grana
As discussed in
Types of Plastids -
Plastids bear some specific pigments, thus imparting colours to the plants. Base on the type of pigments, plastids can be classified into:
1. Choloroplats
2. Chromoplasts
3. Leucoplasts
- wherein
Chloroplasts -
Chloroplasts contains chlorophyll and carotenoid pigments which are responsible for trapping light energy essential for photosynthesis.
- wherein
Figure depicts Granum (grana) as stacked structure
Option 1)
Stroma lamellae
Option is incorrect
Option 2)
Stroma
Option is incorrect
Option 3)
Cristae
Option is incorrect
Option 4)
Grana
Option is correct