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WorksheetsLeaf Appendages and Modifications
Total questions: 20
Worksheet time: 10mins
What is isophyllly?
The condition where all leaves in a plant are similar in shape.
The condition where leaves vary in shape and size.
The phenomenon of leaves changing color in autumn.
The process of leaves absorbing sunlight for photosynthesis.
What is a leaf tendril?
A type of flower that attracts pollinators.
Leaves modified for climbing, which can take various forms.
A structure that stores water in arid environments.
A part of the plant responsible for photosynthesis.
Give an example of a plant with foliaceous stipules.
Lathyrus aphaca
Rosa rubiginosa
Quercus robur
Cucumis sativus
Provide an example of a plant with sheathing stipules.
Hydrophylax maritima
Rosa rubiginosa
Quercus robur
Acer saccharum
What are ochreate stipules?
Stipules that fuse to form a tube-like structure covering the internode and axillary bud.
Stipules that are free and not fused to the stem.
Stipules that are modified leaves that grow at the base of the leaf stalk.
Stipules that are small, leaf-like structures found on the stem.
What is a foliaceous stipule?
A stipule modified and enlarged to function like a leaf.
A type of leaf that grows in clusters.
A small leaf-like structure found at the base of a leaf stem.
A stipule that has no function in the plant.
What is an auricle?
A type of bird's call
Outgrowths from the sides of the junction of the leaf sheath and lamina, resembling ears.
A part of the human heart
A musical instrument used in orchestras.
Describe free lateral stipules.
Two stipules that are fused at the base and grow upwards.
Two stipules that are free and hang or lie on either side of the leaf base.
Two stipules that are absent in the plant species.
Two stipules that are attached directly to the stem.
Provide an example of a plant with auricles.
Wheat
Corn
Rice
Barley
Provide an example of a plant with stipels.
Dolichos lablab
Rosa rubiginosa
Quercus robur
Pinus sylvestris
What is the role of glandular hairs in Drosera?
To provide structural support to the plant.
To secrete sticky fluid that traps and digests insects.
To absorb water and nutrients from the soil.
To perform photosynthesis and produce energy.
What are sheathing stipules?
Stipules that unite to form a thin, membranous ring around the stem.
Stipules that are thick and fleshy, providing support to the plant.
Stipules that are absent in most flowering plants.
Stipules that are modified leaves that grow at the base of the flower.
What is habitual heterophylly?
Different kinds of foliage leaves present on the same plant.
The ability of a plant to change its leaf shape based on environmental conditions.
The phenomenon of having leaves that are all the same size and shape.
A type of leaf arrangement where leaves are clustered at the tips of branches.
Provide examples of plants with food storage leaves.
Aloe vera
Cactus
Fern
Maple
Provide an example of a plant exhibiting environmental heterophylly.
Limnophylla heterophylla
Quercus robur
Pinus sylvestris
Acer saccharum
Provide an example of a plant with a leaf pitcher.
Nepenthes truncata
Sarracenia purpurea
Drosera capensis
Utricularia vulgaris
What are interpetiolar stipules?
Stipules that are fused together between the petioles of opposite leaves.
Stipules that are located at the base of the leaf petiole.
Stipules that are absent in most flowering plants.
Stipules that are found only in monocotyledons.
What is the significance of heterophylly in plants?
It allows plants to adapt to varying environmental conditions.
It enhances photosynthesis efficiency.
It increases the rate of water absorption.
It promotes faster growth in all seasons.
Provide an example of a plant with tendrillar stipules.
Smilax species
Cactus
Oak tree
Maple tree
Provide examples of plants with intrapetiolar stipules.
Gardenia jasminoides, Tabernaemontana divericata
Rosa rubiginosa, Salvia officinalis
Cucumis sativus, Solanum lycopersicum
Quercus robur, Betula pendula
