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प्रश्न
Differentiate between Fibrous root and adventitious root
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उत्तर
| Fibrous root | Adventitious root | |
| 1 | It occur in place to tap root system at the base of main stem | Roots arise from varoius parts of the plant other than the radicle |
| 2 | The roots are thin and fibrous | The roots can be thin thick or variously modified |
| 3 | The root system is underground | It can be underground or above ground |
| 4 | Fibrous root system takes part in fixation of plant, absorption of water and mineral salts etc | It performs several function like clinging, support, storage, reproduction, fixation, absorption, etc |
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
Roots are
Draw and label the parts of regions of root.
How root climbers differ from stem climbers?
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
Which part or zone of root is not correctly matched with its function?
Root formed from prolongation of the radicle is ______.
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
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:
Carrot ______.
Name the body part modified for food storage in the following:
Dahlia ______.
Name the body part modified for food storage in the following:
Portulaca ______.
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:
