Multiple Choice Questions

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Phyllode is present in

  • Asparagus

  • Euphorbia

  • Australian Acacia

  • Australian Acacia


C.

Australian Acacia

The lamina in compound leaves of some plants fall off soon and petiole get modified into sickle-shaped leafy structure which performs photosynthesis. Such a modified petiole is called phyllode. Phyllodes develop usually vertically and possess fewer stomata hence, reduce transpiration, e.g. Australian Acacia, Parkinsonia, etc.

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Which one of the following is correctly matched?

  • Onion – Bulb

  • Ginger – Sucker

  • Chlamydomonas – Conidia

  • Chlamydomonas – Conidia

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An example of edible underground stem is

  • carrot

  • groundnut

  • sweet potato

  • sweet potato

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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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The gynoecium consists of many free pistils in flowers of

  • Aloe

  • tomato

  • Papaver

  • Papaver

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Axile placentation is present in

  • Dianthus

  • Lemon

  • Pea

  • Pea

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An aggregate fruit is one which develops from

  • multi carpellary syncarpous gynoecium

  • Multi carpellary apocarpus gynoecium

  • complete inflorescence

  • complete inflorescence

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Cymose inflorescence is present in

  • Solanum

  • Sesbania

  • Trifolium

  • Trifolium

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Placentation in tomato and lemon is

  • parietal

  • free central

  • marginal

  • marginal

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Male gametophyte with least number of cell is present in

  • Pteris

  • Funaria

  • Lillium

  • Lillium

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