36.
Which of the following plants produce only seeds but no fruit?

37.
Consider the following plant
1. Guava
2. Mint
3. Sweet potato
The roots of which of these plants bear adventitious buds that developed into new individuals under favourable conditions.

38.
Potato is a

39.
The "eyes" of potato tubers are

40.
Which of the following is responsible for transport of food and other substances in plants?