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Morphology of Flowering Plants · Question 77

AIPMT 2011 (Mains)MCQEasy📈 Topic in 12% papers+4−1
1

Whorled, simple leaves with reticulate venation are present in

  1. Calotropis
  2. neem
  3. China rose
  4. Alstonia.

Answer

(4) Alstonia.

Solution

As per NCERT, in whorled phyllotaxy more than two leaves arise at a node and form a whorl, e.g. Alstonia.

⇒ Calotropis (and guava) – opposite phyllotaxy.

⇒ China rose (and mustard, sunflower) – alternate phyllotaxy.

⇒ Neem has pinnately compound leaves.

Answer: (4)

AIPMT 2011 (Mains)

Keep practising — Morphology of Flowering Plants

2

Sweet potato is homologous to

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

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

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

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)
5

Flowers are zygomorphic in

  1. mustard
  2. gulmohur
  3. tomato
  4. Datura
AIPMT 2011 (Prelims)
6

The ovary is half inferior in flowers of

  1. peach
  2. cucumber
  3. cotton
  4. guava
AIPMT 2011 (Prelims)
7

A drupe develops in

  1. mango
  2. wheat
  3. pea
  4. tomato
AIPMT 2011 (Prelims)
8

The correct floral formula of chilli is

  1. [figure]
  2. [figure]
  3. [figure]
  4. [figure]
AIPMT 2011 (Prelims)
9

The "eyes" of the potato tuber are

  1. root buds
  2. flower buds
  3. shoot buds
  4. axillary buds.
AIPMT 2011 (Prelims)
10

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)
11

The correct floral formula of soyabean is

  1. [figure]
  2. [figure]
  3. [figure]
  4. [figure]
AIPMT 2010 (Mains)

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