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प्रश्न
Students were on an excursion to a botanical garden. They noted the following observation. Will you be able to help them in understanding those condition?
Teacher showed them Marigold flower and said it is not one flower. What the teacher meant?
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उत्तर
- Marigold flower is an inflorescence in which flowers are produced in a definite manner on a peduncle.
- In Marigold, racemose type of inflorescence can be observed.
- In this, peduncle condenses to form a flat rounded structure called receptacle.
- Opening of flower centripetal i.e. younger flowers are towards the centre and open later, while older flowers towards the periphery and open first.
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Students cut open a Papaya fruit and found all the seeds attached to the sides. Teacher inquired about the possible placentation of Papaya ovary.
Match the following.
| 'Group A' | 'Group B' |
|
1. |
A. Marginal |
2.  |
B. Basal |
3.  |
C. Axile |
4.  |
D. Free central |
5.  |
E. Parietal |
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