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Morphology of Flowering Plants

Multiple Choice Questions

11.

Axile placentation is present in

Dianthus
Lemon
Pea
Pea

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12.

An example of edible underground stem is

carrot
groundnut
sweet potato
sweet potato

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13.

Among china rose, mustard, brinjal, potato, guava, cucumber, onion and tulip, how many plates have superior ovary?

Five
Six
Three
Three

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14.

Male gametophyte with least number of cell is present in

Pteris
Funaria
Lillium
Lillium

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15.

An aggregate fruit is one which develops from

multi carpellary syncarpous gynoecium
Multi carpellary apocarpus gynoecium
complete inflorescence
complete inflorescence

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16.
Placentation in tomato and lemon is

parietal

free central

marginal

marginal

marginal

Lemon or Citrus (Family-Rutaceae), tomato or Lycopersicon sp. (Family-Solanaceae), China rose or Hibiscus (Family Malvaceae) etc. have axile placentation. It occurs in multi carpellary, syncarpous ovary. Inward growth of margins of carpels forms a multi carpellary condition which contains an axis in the centre. Placentae arise from this central axis which bear ovules.

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