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Morphology of Flowering Plants · Question 35

NEET 2018MCQEasy📈 Topic in 12% papers+4−1
1

Pneumatophores occur in

  1. halophytes
  2. free-floating hydrophytes
  3. carnivorous plants
  4. submerged hydrophytes

Answer

(1) halophytes

Solution

As per NCERT, in some plants such as Rhizophora growing in swampy areas, many roots come out of the ground and grow vertically upwards; such roots, called pneumatophores, help to get oxygen for respiration.

These mangrove plants grow in saline marshy soil, i.e. they are halophytes.

Answer: (1)

NEET 2018

Keep practising — Morphology of Flowering Plants

2

Coconut fruit is a

  1. berry
  2. nut
  3. capsule
  4. drupe
NEET 2017
3

In Bougainvillea, thorns are the modifications of

  1. adventitious root
  2. stem
  3. leaf
  4. stipules
NEET 2017
4

Root hairs develop from the region of :

  1. Meristematic activity
  2. Root cap
  3. Maturation
  4. Elongation
NEET 2017
5

Which of the following is not a stem modification?

  1. Tendrils of cucumber
  2. Flattened structures of Opuntia
  3. Pitcher of Nepenthes
  4. Thorns of Citrus
NEET 2016 (Phase 1)
6

Stems modified into flat green organs performing the functions of leaves are known as

  1. phylloclades
  2. scales
  3. cladodes
  4. phyllodes.
NEET 2016 (Phase 1)
7

Cotyledon of maize grain is called

  1. coleoptile
  2. scutellum
  3. plumule
  4. coleorhiza.
NEET 2016 (Phase 1)
8

Tricarpellary, syncarpous gynoecium is found in flowers of

  1. Fabaceae
  2. Poaceae
  3. Liliaceae
  4. Solanaceae
NEET 2016 (Phase 1)
9

The standard petal of a papilionaceous corolla is also called

  1. vexillum
  2. corona
  3. carina
  4. pappus.
NEET 2016 (Phase 1)
10

The term 'polyadelphous' is related to

  1. gynoecium
  2. androecium
  3. corolla
  4. calyx.
NEET 2016 (Phase 2)
11

How many plants among Indigofera, Sesbania, Salvia, Allium, Aloe, mustard, groundnut, radish, gram and turnip have stamens with different lengths in their flowers?

  1. Three
  2. Four
  3. Five
  4. Six
NEET 2016 (Phase 2)

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