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प्रश्न
Give two examples of roots that develop from different parts of the angiospermic plant other than the radicle.
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उत्तर
Banyan tree – roots develop from the lower nodes of the stem. They are prop roots which grow downwards and touch the soil. They are meant for support.
Sugarcane – roots arise from the lower nodes of the stem and enter the soil. They are stilt roots which are meant to provide strength to the plant.
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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
Roots are
How root climbers differ from stem climbers?
Which part or zone of root is not correctly matched with its function?
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
Roots developed from parts of the plant other than radicle are called ______.
Roots obtain oxygen from air in the soil for respiration. In the absence or deficiency of O2, root growth is restricted or completely stopped. How do the plants growing in marshlands or swamps obtain their O2 required for root respiration?
In swampy areas like the Sunderbans in West Bengal, plants bear special kind of roots called ______.
In aquatic plants like Pistia and Eichhornia, leaves and roots are found near ______.
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 ______.
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:
