Class 11 Biology - Chapter Morphology of Flowering Plants NCERT Solutions | How can you differentiate between free c
How can you differentiate between free central and axile placentation?
Both are the types of placentation in Gynoecium.
Free Central placentation occurs in multicarpellary but unilocular ovary. Carpels are fused only by their margins. Placenta develops in the centre of ovary as an upgrowth from ovary base which bears ovules. This is also formed by breaking down of septa from initial axile placentation. Example: Dianthus etc.
Axile placentation occurs in bi- or multicarpellary and multilocular ovary. The margins of carpels folded inward fusing together in the centre of ovary where the placentae are formed. Example: Hibiscus.
More Questions From Class 11 Biology - Chapter Morphology of Flowering Plants
- Q:- Explain with suitable examples the different types of phyllotaxy?
- Q:- What is a flower? Describe the parts of a typical angiosperm flower?
- Q:- Write the floral formula of an actinomorphic bisexual, hypogynous flower with five united sepals, five free petals. Five free stamens and two united carpals with superior ovary and axile placentation.
- Q:- Describe the various types of placentations found in flowering plants.
- Q:- Describe the arrangement of floral members in relation to their insertion on thalamus?
- Q:- Define the term inflorescence. Explain the basis for the different types of inflorescence in flowering plants.
- Q:- Justify the following statements on the basis of external features (i) Underground parts of a plant are not always roots (ii) Flower is a modified shoot
- Q:- Define the following terms:
(a) Aestivation
(b) Placentation
(c) Actinomorphic
(d) Zygomorphic
(e) Superior ovary
(f) Perigynous flower
(g) Epipetalous Stamen - Q:- How do the various leaf modifications help plants?
- Q:- Describe modifications of stem with suitable examples
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