Class 11 Biology - Chapter Morphology of Flowering Plants NCERT Solutions | In Opuntia the stem is modified into a f
In Opuntia the stem is modified into a flattened green structure to performthe function of leaves (i.e., photosynthesis). Cite two other examples of
modifications of plant parts for the purpose of photosynthesis.
Petiole attain the shape and colour of leaf in Australian Acacia to perform photosynthesis.
Some plants of arid regions modify their stems into flattened in Opuntia or fleshy cylindrical in Euphorbia structures. These modified stems of indefinite growth are called Phylloclades. They contain chlorophyll and thus are capable to perform photosynthesis.
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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Briefly describe the structure of the following:
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