Multiple Choice Questions

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Coffee and quinine are obtained from the

  • Leguminosae

  • Asteraceae

  • Rubiaceae

  • Poaceae


C.

Rubiaceae

Coffea arabica (Rubiaceae) yields the well known beverage coffee. Cinchona sp. (Rubiaceae) yields the quinine which is used in the treatment of malaria.


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The material, which arrests cell division, is obtained from

  • Crocus

  • Colchicum

  • Dalbergis

  • Chysanthomum


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


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


The term 'keel' is used for special type of

  • Sepals

  • Petals

  • Stamenstellen

  • Carpels


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In Dianthus, placentation is

  • Basal

  • Free central

  • Axile

  • Marginal


Catkin inflorescence is found in

  • Wheat

  • Oat

  • Mulberry

  • Fig


Epigynous flowers are present in

  • Mustad

  • Brinjal

  • China rose

  • Cucumber


In Ruscus, the stem is a

  • Phyllode

  • Cladode

  • Offset

  • Sucker


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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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