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Morphology of Flowering Plants · Question 46

NEET 2016 (Phase 2)MCQEasy📈 Topic in 62% papers+4−1
1

Radial symmetry is found in the flowers of

  1. Brassica
  2. Trifolium
  3. Pisum
  4. Cassia.

Answer

(1) Brassica

Solution

As per NCERT, when a flower can be divided into two equal radial halves in any radial plane passing through the centre, it is actinomorphic (radial symmetry), e.g. mustard, datura, chilli.

⇒ Mustard belongs to Brassica, so its flowers show radial symmetry.

∵ Pea ( Pisum), Trifolium and Cassia have zygomorphic flowers (Fabaceae),

∴ the answer is Brassica.

Answer: (1)

NEET 2016 (Phase 2)

Keep practising — Morphology of Flowering Plants

2

Free-central placentation is found in

  1. Dianthus
  2. Argemone
  3. Brassica
  4. Citrus.
NEET 2016 (Phase 2)
3

Among China rose, mustard, brinjal, potato, guava, cucumber, onion and tulip, how many plants have superior ovary?

  1. Three
  2. Four
  3. Five
  4. Six
AIPMT 2015
4

Axile placentation is present in

  1. pea
  2. Argemone
  3. Dianthus
  4. lemon.
AIPMT 2015
5

Roots play insignificant role in absorption of water in

  1. pea
  2. wheat
  3. sunflower
  4. Pistia.
AIPMT 2015
6

Perigynous flowers are found in

  1. China rose
  2. rose
  3. guava
  4. cucumber.
AIPMT 2015 (Cancelled)
7

Keel is the characteristic feature of flower of

  1. Aloe
  2. tomato
  3. tulip
  4. Indigofera.
AIPMT 2015 (Cancelled)
8

Leaves become modified into spines in

  1. onion
  2. silk cotton
  3. Opuntia
  4. pea
AIPMT 2015 (Cancelled)
9

[figure] is the floral formula of

  1. Petunia
  2. Brassica
  3. Allium
  4. Sesbania.
AIPMT 2015 (Cancelled)
10

The hilum is a scar on the

  1. seed, where funicle was attached
  2. fruit, where style was present
  3. fruit, where it was attached to pedicel
  4. seed, where micropyle was present
AIPMT 2015 (Cancelled)
11

Placenta and pericarp are both edible portions in

  1. apple
  2. banana
  3. tomato
  4. potato
AIPMT 2014

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