Among China rose, mustard, brinjal, potato, guava, cucumber, onion and tulip, how many plants have superior ovary?

1. Five

2. Six

3. Three

4. Four

 is the floral formula of:

Keel is the characteristic feature of a flower of:

Perigynous flowers are found in:

Leaves become modified into spines in the:

The hilum is a scar on the:

Placenta and pericarp are both edible portions in:

1. Apple

2. Banana

3. Tomato

4. Potato

When the margins of sepals or petals overlap one another without any particular direction, the condition is termed as:

1. Vexillary

2. Imbricate

3. Twisted

4. Valvate

Which one of the following statements is correct?

Example of an edible underground stem is:

1. Carrot

2. Groundnut

3. Sweet potato 

4. Potato