The Leaf and Its Parts
Trending Questions
What is a leaf gap?
Which of the following is wrong?
- Petiole may or may not be present in a leaf
Pulvinus is the swollen base of the leaf
A single stipule is present at the base of a stalk of a leaf
Thalamus is present at the tip of a floral stalk
- Lamina
- Petiole
- Stipules
- Node
The Pulvinus helps the touch-me-not to
rapidly close the leaves on touch
supports the leaves
make the leaves more stiff
provide water to the leave during emergency
The apical stem of the shoot apex is
Lateral meristem
Primary meristem
Intercalary meristem
Secondary meristem
In some plants, the leaf base can swell up and form a
∙ It helps in elongation of plant organs.
∙ It allows fallen stems of cereals to become erect.
The above statements are true for
- Intercalary meristem
- Shoot apical meristem
- Lateral meristem
- Root apical meristem
- Protein
- Malic acid
- Starch
- Sugar
What is cortex, protoderm, leaf primordium?
The pulvinus helps the touch-me-not to
Rapidly close the leaves on touch
Supports the leaves
Provide water to the leave during emergency
Make the leaves more stiff
On which part of the stem will you find the leaves?
Apex
Nodes
Anywhere on the stem
Both A and B
In some plants, the leaf base can swell up and form a
Why is the colour of a leaf kept in the dark frequently yellow , or pale green ?Which pigment do you think is more stable?
- pedicel
- peduncle
- petiole
- stipule
Which of the following is wrong?
Stipule — occurs singly at the base of stalk of a leaf
Thalamus — occurs at the tip of floral stalk
Bract — occurs singly at the base of stalk of a flower
Bracteole — occurs in pairs on the stalk of a flower
Q. State three effects of manganese if it is absorbed in excess by the plants.
- Pulvinus
- Petiole
- Thalamus
- Disc
- 1.3m
- 1m
- 4m
- 3m