Pneumatophores occur in:
1. Halophytes
2. Free-floating hydrophytes
3. Carnivorous plants
4. Submerged hydrophytes

Among bitter gourd, mustard, brinjal, pumpkin, China rose, lupin, cucumber, sunnhemp, gram, guava, bean, chili, plum, Petunia, tomato, rose, Withania, potato, onion, aloe and tulip, how many plants have hypogynous flower?

1. Six

2. Ten

3. Fifteen

4. Eighteen

  is the floral formula of:

Perigynous flowers are found in:

Placenta and pericarp are both edible portions in:

1. Apple

2. Banana

3. Tomato

4. Potato

Vexillary aestivation is characteristic of the family:

1. Fabaceae

2. Asteraceae

3. Solanaceae

4. Brassicaceae