The Leaf and Its Parts
- Leaf base
Which of the following is wrong?
Bract — occurs singly at the base of stalk of a flower
Stipule — occurs singly at the base of stalk of a leaf
Bracteole — occurs in pairs on the stalk of a flower
Thalamus — occurs at the tip of floral stalk
The pulvinus helps the touch-me-not to
make the leaves more stiff
rapidly close the leaves on touch
supports the leaves
provide water to the leave during emergency
In some plants, the leaf base can swell up and form a
- Anywhere on the stem
Study the following statements and select the option with correct statements.
I. Pulvinus leaf base is present in some leguminous plants.
II. In Eichhornia, the petioles expand, becomes green and synthesize food.
III. Opposite phyllotaxy is seen in guava.
I and III
I and II
I, II and III
II and III
- Central vein
- Connects to stem
- Absorbs sunlight
- Transports water
- none of these
- The lamina is undivided
- When the lamina is divided, the incisions of the lamina do not touch the midrib
- The lamina does not bear leaflets
- Bud is absent in the axil of the petiole of simple leaf