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Morphology of Flowering Plants · Question 74

AIPMT 2012 (Prelims)MCQMedium📈 Topic in 25% papers+4−1
1

How many plants in the list given below have composite fruits that develop from an inflorescence? Walnut, poppy, radish, fig, pineapple, apple, tomato, mulberry.

  1. Four
  2. Five
  3. Two
  4. Three

Answer

(4) Three

Solution

A composite (multiple) fruit develops from a whole inflorescence.

⇒ Fig (syconus), pineapple (sorosis) and mulberry (sorosis) are composite fruits.

∵ Walnut, poppy, radish and tomato are simple fruits from a single ovary, and apple is a false fruit from a single flower (thalamus).

∴ Number of plants with composite fruits = 3

Answer: (4)

AIPMT 2012 (Prelims)

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2

The coconut water and the edible part of coconut are equivalent to

  1. endosperm
  2. endocarp
  3. mesocarp
  4. embryo
AIPMT 2012 (Prelims)
3

Vexillary aestivation is characteristic of the family

  1. Fabaceae
  2. Asteraceae
  3. Solanaceae
  4. Brassicaceae
AIPMT 2012 (Prelims)
4

Whorled, simple leaves with reticulate venation are present in

  1. Calotropis
  2. neem
  3. China rose
  4. Alstonia.
AIPMT 2011 (Mains)
5

Sweet potato is homologous to

  1. potato
  2. Colocasia
  3. ginger
  4. turnip.
AIPMT 2011 (Mains)
6

Which one of the following figures represents the placentation in Dianthus?

  1. [figure]
  2. [figure]
  3. [figure]
  4. [figure]
AIPMT 2011 (Mains)
7

Which one of the following statements is correct?

  1. In tomato, fruit is a capsule.
  2. Seeds of orchids have oil-rich endosperm.
  3. Placentation in primrose is basal.
  4. Flower of tulip is a modified shoot.
AIPMT 2011 (Prelims)
8

Flowers are zygomorphic in

  1. mustard
  2. gulmohur
  3. tomato
  4. Datura
AIPMT 2011 (Prelims)
9

The ovary is half inferior in flowers of

  1. peach
  2. cucumber
  3. cotton
  4. guava
AIPMT 2011 (Prelims)
10

A drupe develops in

  1. mango
  2. wheat
  3. pea
  4. tomato
AIPMT 2011 (Prelims)
11

The correct floral formula of chilli is

  1. [figure]
  2. [figure]
  3. [figure]
  4. [figure]
AIPMT 2011 (Prelims)

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