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Morphology of Flowering Plants · Question 76

AIPMT 2012 (Prelims)MCQEasy📈 Topic in 75% papers+4−1
1

Vexillary aestivation is characteristic of the family

  1. Fabaceae
  2. Asteraceae
  3. Solanaceae
  4. Brassicaceae

Answer

(1) Fabaceae

Solution

In vexillary (papilionaceous) aestivation there are five petals: the largest (standard) overlaps the two lateral petals (wings), which in turn overlap the two smallest anterior petals (keel).

As per NCERT, this type of aestivation is found in pea and bean flowers ⇒ family Fabaceae.

Answer: (1)

AIPMT 2012 (Prelims)

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2

Whorled, simple leaves with reticulate venation are present in

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

Sweet potato is homologous to

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

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

  1. [figure]
  2. [figure]
  3. [figure]
  4. [figure]
AIPMT 2011 (Mains)
5

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)
6

Flowers are zygomorphic in

  1. mustard
  2. gulmohur
  3. tomato
  4. Datura
AIPMT 2011 (Prelims)
7

The ovary is half inferior in flowers of

  1. peach
  2. cucumber
  3. cotton
  4. guava
AIPMT 2011 (Prelims)
8

A drupe develops in

  1. mango
  2. wheat
  3. pea
  4. tomato
AIPMT 2011 (Prelims)
9

The correct floral formula of chilli is

  1. [figure]
  2. [figure]
  3. [figure]
  4. [figure]
AIPMT 2011 (Prelims)
10

The "eyes" of the potato tuber are

  1. root buds
  2. flower buds
  3. shoot buds
  4. axillary buds.
AIPMT 2011 (Prelims)
11

Which one of the following is a xerophytic plant in which the stem is modified into the flat green and succulent structure?

  1. Opuntia
  2. Casuarina
  3. Hydrilla
  4. Acacia
AIPMT 2010 (Mains)

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