Multiple Choice Questions

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Epigynous flowers are present in

  • Mustad

  • Brinjal

  • China rose

  • Cucumber


D.

Cucumber

In the epigynous type of flowers, the thalamus enclosed the ovary entirely and fuses. The sepals, petals and stamens arise from the top of the ovary. Such flowers are known as epigynous and ovary as inferior, e.g., Oenothera, Cucurbita.


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Catkin inflorescence is found in

  • Wheat

  • Oat

  • Mulberry

  • Fig


Three floral diagrams are given here. Their respective families are assigned in the answer key. Find out the families to which these diagrams belong to

  • A-Liliaceae, B-Asteraceae, C-Solanaceae

  • A-Asteraceae, B-Solanaceae, C-BRassicaceae

  •  A-Asteraceae, B-Solanaceae, C-Asteraceae

  •  A-Poaceae, B-Solanaceae, C-Asteraceae


In Dianthus, placentation is

  • Basal

  • Free central

  • Axile

  • Marginal


The material, which arrests cell division, is obtained from

  • Crocus

  • Colchicum

  • Dalbergis

  • Chysanthomum


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Coffee and quinine are obtained from the

  • Leguminosae

  • Asteraceae

  • Rubiaceae

  • Poaceae


The term 'keel' is used for special type of

  • Sepals

  • Petals

  • Stamenstellen

  • Carpels


In Ruscus, the stem is a

  • Phyllode

  • Cladode

  • Offset

  • Sucker


A fern prothallus is bisexual. If fertilisation takes place between their gametes than it is known as

  • cross- fertilisation

  • self- fertilisation

  • isogamous

  • viviparous


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Study the following statements and select the option with correct statements.

  1. Pulvinus leaf base is present in some leguminous plants
  2. In Eichhornia, the petioles expand becomes green and synthesise food.
  3. Opposite phyllotaxy is seen in guava.

  • I and II

  • I and III

  • II and III

  • I, II and III


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