Plant Morphology: Parts and Structures
Learn about the various parts and structures of plants including leaves, flowers, stomata, and their internal components.
Questions
The leaf is attached to the stem by a stalk called
- twig
- petiole
- leaf base
- stalk
- tube
The network of thin tubes in the leaf is known as ___________.
- cluster
- branch
- network
- vein
- veinule
Which of the following structures is absent in parallel venation?
- Stomata
- Veins
- Petiole
- Leaf venation
- Mid rib
Which of the following structures helps in the exchange of gases?
- Leaf blade
- Petiole
- Stomata
- Mid rib
- Veins
Which of the following structures is absent in (or around) stomata?
- Stoma
- Chloroplast
- Epidermal cells
- Guard cells
- Nucleus
The release of excess water from the stomata of the leaves is known as __________.
- transpiration
- respiration
- photosynthesis
- reproduction
- none of these
The green pigment present in the leaves, which is essential for the food making process of the plant is called __________.
- stomata
- chlorophyll
- water
- stoma
- epidermal cells
Which of the following is the main reproductive part of the plant?
- Leaf
- Root
- Stem
- Flower
- Root tip
Which of the following structures protects the flower in the bud stage?
- Calyx
- Petals
- Leaves
- Pedicel
- Seed
A single unit of corolla is called
- node
- internode
- petal
- pedicel
- thalamus
The flowers lacking which of the following structures are known as incomplete?
- Petal only
- Sepal only
- Androecium only
- Gynoecium only
- Any of the above
Which of the following statements is wrong with respect to the androecium?
- It is the male part of the flower.
- The fourth whorl from outside consists of stamens.
- Each stamen has a stalk.
- Each stamen has a filament.
- The tip of the filament is known as the anther.