Formation of hair takes place due to ___________ derivative.

At the base of hair follicles is present a swollen inverted cup-like structure called ______.

Select the appropriate words to fill in the blanks.

1. i theca interna ii granulosa cells iii secondary iv tertiary

2. i zona pellucida ii theca interna iii secondary iv tertiary

3. i granulosa cells ii zona pellucida iii secondary iv tertiary

4. i zona pellucida ii theca interna iii tertiary iv secondary

Formation of spectrum by a glass prism takes place because:

Select the appropriate words to fill in the blanks.

1. i zona pellucida ii theca interna iii tertiary iv secondary

2. i granulosa cells ii zona pellucida iii secondary iv tertiary

3. i theca interna ii granulosa cells iii secondary iv tertiary

4. i zona pellucida ii theca interna iii secondary iv tertiary