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प्रश्न
Rhizome of ginger is like the roots of other plants that grows underground. Despite this fact ginger is a stem and not a root. Justify.
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उत्तर
The rhizome is an underground stem growing parallel to the soil surface. Ginger is a stem which can be differentiated from the root as it has nodes and internodes.
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संबंधित प्रश्न
What is meant by modification of root? What type of modification of root is found in the
(a) Banyan tree
(b) Turnip
(c) Mangrove trees
Justify the following statements on the basis of external features
Underground parts of a plant are not always roots
Justify the following statements on the basis of external features
Flower is a modified shoot
Draw and label the parts of regions of root.
Correlate with respect to modification of root for storage of food.
Carrot: Tap root :: ______ : Adventitious root
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Rearrange the following zones as seen in the root in vertical section and choose the correct option.
- Root hair zone
- Zone of meristems
- Rootcap zone
- Zone of maturation
- Zone of elongation
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In swampy areas like the Sunderbans in West Bengal, plants bear special kind of roots called ______.
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Name the body part modified for food storage in the following:
Radish ______.
Name the body part modified for food storage in the following:
Dahlia ______.
Name the body part modified for food storage in the following:
Portulaca ______.
Give two examples of roots that develop from different parts of the angiospermic plant other than the radicle.
The essential functions of roots are anchorage and absorption of water and minerals in the terrestrial plant. What functions are associated with the roots of aquatic plants. How are roots of aquatic plants and terrestrial plants different?
After maturation, in primary lymphoid organs, the lymphocytes migrate for interaction with antigens to secondary lymphoid organ(s)/tissue(s) like:
- Thymus
- Bone marrow
- Spleen
- Lymph nodes
- Peyer’s patches
Choose the correct answer from the options given below:
