Advertisements
Advertisements
Question
Roots are
Options
Descending, negatively geotropic, positively phototropic
Descending, positively geotropic, negatively phototropic
Ascending, positively geotropic, negatively phototropic
Ascending, negatively geotropic, positively phototropic
Advertisements
Solution
Descending, positively geotropic, negatively phototropic
RELATED QUESTIONS
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
Differentiate between Fibrous root and adventitious 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
Root formed from prolongation of the radicle is ______.
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 ______.
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?
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:
