EASY
Earn 100
Define the condition of gynandrous adhesion in flowers.
Important Questions on Structural Organisation in Plants
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The standard petal of the papilionaceous corolla is also called:
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Attractants and rewards are required for:
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What is the fate of the male gametes discharged in the synergid?
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Epipetalous and syngenesious stamen occurs in:
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is the floral formula of:
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In water hyacinth and water lily, pollination takes place by:
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The morphological nature of the edible part of coconut is
MEDIUM
Identify the respective formula of the gynoecium from which fruits like Berry, Pepo, Hesperidium and Pome are developed
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Free-central placentation is found in
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Pollination in water hyacinth and water lily is brought about by the agency of:
MEDIUM
Study the following lists. Match the floral parts given in List - I with the corresponding symbols, in List - II
| List - I | List - II | ||
| (a) | Calyx | (i) | |
| (b) | Ovary superior | (ii) | |
| (c) | Actinomorphic | (iii) | |
| (d) | Zygomorphic | (iv) | |
| (v) |
The correct answer is
MEDIUM
Among the members of the list given below, how many plants have superior ovaries?
China rose, mustard, brinjal, potato, guava, cucumber, onion and tulip.
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Dichogamy and herkogamy are the important devices or modifications to prevent one of the following:
HARD
Ovaries of four different plants and show variation in the position of ovules as stated below
On central axis without septa
On the inner wall of ovary
On the ridge along the ventral suture
At the base of the ovary
Identify the and plants respectively
HARD
Match the following lists:
| List | List | ||
| A) | Branches of limited growth modified for photosynthesis | Cashew | |
| B) | The peduncle is branched with one branch each time | Asparagus | |
| C) | Multicarpellary, syncarpous unilocular ovary, stony pericarp | Hamelia | |
| D) | Placenta is axial and ovules are attached to multilocular ovary | Colocasia | |
| Lemon |
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An angiosperm was identified with its endosperm of . Assuming that this is a self-pollinating species, which one of the following is the correct ploidy of the parent?
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Flowers which have single ovule in the ovary and are packed into inflorescence are usually pollinated by
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Perigynous flowers are found in:
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Free central placentation is not present in:
