Advertisements
Advertisements
प्रश्न
Justify the following statements on the basis of external features
Flower is a modified shoot
उत्तर
Flower is the reproductive part of the angiospermic plant and it is defined as the modified shoot because
(a) like shoot, flower develops from an axillary or rarely terminal bud.
(b) flowers may get modified into fleshy buds or bulbils,
(c) A transition from foliage leaves to floral leaves is found in Paeonia.
(d) Nymphaea shows transition from sepals to petals and petals to stamens,
(e) In Passiflora and Cleome long intemodes occur below gynoecium and stamens.
APPEARS IN
संबंधित प्रश्न
Roots are
How root climbers differ from stem climbers?
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 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:
Asparagus ______.
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?
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.
