Explore the different ways stems adapt in plants, including their roles in storage, support, and reproduction. This section covers modifications like runners, tubers, and tendrils with clear explanations and examples.
Rhizomes are underground stems that store food and help in vegetative propagation, as seen in ginger.
Ref: NCERT Class 11 Biology Chapter 5: Morphology of Flowering Plants Stem - Modifications and Functions
Not all plants exhibit whorled phyllotaxy. It is found only in certain plants like Alstonia.
Ref: NCERT Class 11 Biology Chapter 5: Morphology of Flowering Plants Stem - Modifications and Functions
Not all plants exhibit opposite phyllotaxy. Some have alternate or whorled arrangements.
Ref: NCERT Class 11 Biology Chapter 5: Morphology of Flowering Plants Stem - Modifications and Functions
Anchorage is a function of the root system, not the stem.
Ref: NCERT Class 11 Biology Chapter 5: Morphology of Flowering Plants Stem - Modifications and Functions
Monocots, such as grasses, exhibit parallel venation, where veins run parallel to each other.
Ref: NCERT Class 11 Biology Chapter 5: Morphology of Flowering Plants Stem - Modifications and Functions
Leaves play a crucial role in transpiration, which helps in water transport and cooling.
Ref: NCERT Class 11 Biology Chapter 5: Morphology of Flowering Plants Stem - Modifications and Functions
Tendrils in cucurbits, such as pumpkin, are modified stems that help in climbing.
Ref: NCERT Class 11 Biology Chapter 5: Morphology of Flowering Plants Stem - Modifications and Functions
In cucurbits (e.g., pumpkin and cucumber), tendrils are modified stems, not leaves, that help in climbing.
Ref: NCERT Class 11 Biology Chapter 5: Morphology of Flowering Plants Stem - Modifications and Functions
Thorns in citrus plants are modified stems, not leaves. They protect the plant from herbivores.
Ref: NCERT Class 11 Biology Chapter 5: Morphology of Flowering Plants Stem - Modifications and Functions
Grasses, which are monocots, exhibit parallel venation, where veins run parallel to each other.
Ref: NCERT Class 11 Biology Chapter 5: Morphology of Flowering Plants Stem - Modifications and Functions
Tendrils in pea plants are modified leaves, not stems. They help the plant climb.
Ref: NCERT Class 11 Biology Chapter 5: Morphology of Flowering Plants Stem - Modifications and Functions
The petiole connects the leaf to the stem, not the root.
Ref: NCERT Class 11 Biology Chapter 5: Morphology of Flowering Plants Stem - Modifications and Functions
