Roots play an insignificant role in the absorption of water in:

1. Sunflower 

2. Pistia

3. China rose

4. Wheat

Example of an edible underground stem is:

1. Carrot

2. Groundnut

3. Sweet potato 

4. Potato

Which one of the following is correctly matched?

1. Onion - Bulb

2. Ginger - Sucker

3. Chlamydomonas - Conidia

4. Yeast - Zoospores

Vegetative propagation in pistia occurs by:

1. offset

2. Runner

3. Sucker

4. Stolon

Vegetative propagation in mint occurs by:

1. runner

2. offset

3. rhizome

4. sucker