Modifications of Leaf (Level :Competitive)
Botanical quiz about leaf modifications, adaptations, and arrangements in plants.
Questions
What is the function of leaves with large parenchymatous cells and a big central vacuole?
- Defense
- Conserve loss of water
- Floating over the surface of water
- To prepare food for the plant
The entire leaf is modified into tendril in
- sweet pea
- wild pea
- naravelia
- smilax
In which plant is petiole modified into tendrils?
- Smilax
- Glory lily
- Clematis
- Zizyphus
The thick and fleshy part of onion is
- stem
- flower
- scale leaves
- leaves
The leaves of aloe are modified to perform the function of
- defense
- absorption
- support
- storage
Which part of the leaf is modified into lid in pitcher plant?
- Leaf base
- Peiole
- Leaf apex
- Lamina
Bladder of Utricularia and pitcher of Nepenthes are
- stems
- leaves
- flowers
- fruits
In which of the following plants are leaves modified into roots?
- Bignonia
- Acacia
- Salvinia
- Agave
In bipinnately compound leaf of parkinsonia, the secondary rachis gets modified to
- phylloclade
- phyllode
- tendrils
- spines
The spine in Opuntia is a modification of
- whole leaf
- margin and leaf apex
- minute leaves of the axillary bud
- leaf-apex
Which leaf modification helps Bignonia in climbing?
- Leaf tendrils
- Leaflet hooks
- Leaf roots
- Scale leaves
Opposite superposed phyllotaxy is seen in
- hibiscus
- ocimum
- nerium
- guava
What does phyllotaxy refer to?
- Emerging out of shoot and root from the seed
- Arrangement of leaves on stem
- Arrangement of petals on the flower
- Arrangement of flowers on shoot system
In which phyllotaxy leaf are the pairs at 90 degrees to each other?
- Opposite superposed
- Opposite decussate
- Verticillate
- Distichous
Which of the following plants exhibits anisophylly?
- Ranunculus
- Datura
- Heterophylla
- Limnophylla