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प्रश्न
How root climbers differ from stem climbers?
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उत्तर
Root climbers:
- Plants climbing with the help of adventitious roots (arise from nodes)
- Example: Piper betel
Stem climbers (twiners):
- These climbers lack specialised structure for climbing and the stem itself coils around the support.
- Example: Ipomoea
संबंधित प्रश्न
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.
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
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:
Carrot ______.
Name the body part modified for food storage in the following:
Sweet potato ______.
Name the body part modified for food storage in the following:
Radish ______.
Name the body part modified for food storage in the following:
Portulaca ______.
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.
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:
