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Morphology of Flowering Plants · Question 89

AIPMT 2010 (Mains)MCQEasy📈 Topic in 25% papers+4−1
1

Vegetative propagation in Pistia occurs by

  1. stolon
  2. offset
  3. runner
  4. sucker

Answer

(2) offset

Solution

As per NCERT, in aquatic plants like Pistia and Eichhornia, a lateral branch with short internodes and each node bearing a rosette of leaves and a tuft of roots is found – this is an offset.

⇒ Offsets break off and grow into new plants (vegetative propagation).

Answer: (2)

AIPMT 2010 (Mains)

Keep practising — Morphology of Flowering Plants

2

Aestivation of petals in the flower of cotton is correctly shown in

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

Keel is characteristic of the flowers of

  1. gulmohur
  2. Cassia
  3. Calotropis
  4. bean
AIPMT 2010 (Prelims)
4

Ovary is half-inferior in the flowers of

  1. guava
  2. plum
  3. brinjal
  4. cucumber
AIPMT 2010 (Prelims)
5

The technical term used for the androecium in a flower of China rose ( Hibiscus rosa-sinensis) is

  1. monadelphous
  2. diadelphous
  3. polyandrous
  4. polyadelphous
AIPMT 2010 (Prelims)
6

The scutellum observed in a grain of wheat or maize is comparable to which part of the seed in other monocotyledons?

  1. Cotyledon
  2. Endosperm
  3. Aleurone layer
  4. Plumule
AIPMT 2010 (Prelims)
7

A fruit developed from hypanthodium inflorescence is called

  1. sorosis
  2. syconus
  3. caryopsis
  4. hesperidium
AIPMT 2009
8

An example of axile placentation is

  1. Dianthus
  2. lemon
  3. marigold
  4. Argemone
AIPMT 2009
9

Cotyledons and testa respectively are edible parts in

  1. walnut and tamarind
  2. french bean and coconut
  3. cashew nut and litchi
  4. groundnut and pomegranate
AIPMT 2009
10

An example of a seed with endosperm, perisperm, and caruncle is

  1. coffee
  2. lily
  3. castor
  4. cotton
AIPMT 2009
11

The floral formula [figure] is that of

  1. soybean
  2. sunhemp
  3. tobacco
  4. tulip
AIPMT 2009

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