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Morphology of Flowering Plants · Question 23

NEET (UG) 2022MCQEasy📈 Topic in 75% papers+4−1
1

Which one of the following plants shows vexillary aestivation and diadelphous stamens?

  1. Colchicum autumnale
  2. Pisum sativum
  3. Allium cepa
  4. Solanum nigrum

Answer

(2) Pisum sativum

Solution

Vexillary (papilionaceous) aestivation – a large standard petal overlaps two wings, which overlap two keel petals; diadelphous stamens – stamens united in two bundles (9 + 1).

Both are features of family Fabaceae; as per NCERT, pea ( Pisum sativum) is the example of vexillary aestivation.

∵ Colchicum autumnale and Allium cepa belong to Liliaceae, Solanum nigrum to Solanaceae.

Answer: (2)

NEET (UG) 2022

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2

The flowers are Zygomorphic in : Choose the correct answer from the options given below :

  1. A, B and C only
  2. B, C only
  3. D, E only
  4. C, D, E only
NEET (UG) 2022
3

Which of the following statement is not correct?

  1. The rhizome is thick, prostrate and branched
  2. Rhizome is a condensed form of stem
  3. The apical bud in rhizome always remains above the ground
  4. The rhizome is aerial with no distinct nodes and internodes
NEET (UG) 2022 (Phase 2)
4

Match List - I with List - II : Choose the correct answer from the options given below

  1. (a) - (i), (b) - (iii), (c) - (iv), (d) - (ii)
  2. (a) - (ii), (b) - (i), (c) - (iii), (d) - (iv)
  3. (a) - (ii), (b) - (i), (c) - (iv), (d) - (iii)
  4. (a) - (ii), (b) - (iv), (c) - (iii), (d) - (i)
NEET (UG) 2022 (Phase 2)
5

The Floral Diagram represents which one of the following families? [Figure]

  1. Liliaceae
  2. Fabaceae
  3. Brassicaceae
  4. Solanaceae
NEET (UG) 2022 (Phase 2)
6

Diadelphous stamens are found in

  1. China rose and citrus
  2. China rose
  3. Citrus
  4. Pea
NEET (UG) 2021
7

Match Column-I with Column-II Select the correct answer from the options given below.

  1. (a)-(iv), (b)-(ii), (c)-(i), (d)-(iii)
  2. (a)-(iii), (b)-(iv), (c)-(ii), (d)-(i)
  3. (a)-(i), (b)-(ii), (c)-(iii), (d)-(iv)
  4. (a)-(ii), (b)-(iii), (c)-(iv), (d)-(i)
NEET (UG) 2021
8

Ray florets have

  1. Superior ovary
  2. Hypogynous ovary
  3. Half inferior ovary
  4. Inferior ovary
NEET (UG) 2020
9

The ovary is half inferior in:

  1. Mustard
  2. Sunflower
  3. Plum
  4. Brinjal
NEET (UG) 2020
10

The roots that originate from the base of the stem are

  1. Primary roots
  2. Prop roots
  3. Lateral roots
  4. Fibrous roots
NEET (UG) 2020
11

Placentation, in which ovules develop on the inner wall of the ovary or in peripheral part, is :

  1. Parietal
  2. Free central
  3. Basal
  4. Axile
NEET (UG) 2019

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