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Morphology of Flowering Plants · Question 60

AIPMT 2014MCQEasy📈 Topic in 25% papers+4−1
1

An aggregate fruit is one which develops from

  1. multicarpellary syncarpous gynoecium
  2. multicarpellary apocarpous gynoecium
  3. complete inflorescence
  4. multicarpellary superior ovary.

Answer

(2) multicarpellary apocarpous gynoecium

Solution

An aggregate fruit is a group of fruitlets (etaerio) formed from the free carpels of a single flower.

⇒ Free carpels mean a multicarpellary apocarpous gynoecium (e.g. strawberry, custard apple, lotus).

⇒ A fruit from a whole inflorescence is a composite (multiple) fruit; a syncarpous gynoecium gives a simple fruit.

Answer: (2)

AIPMT 2014

Keep practising — Morphology of Flowering Plants

2

Among bitter gourd, mustard, brinjal, pumpkin, china rose, lupin, cucumber, sunhemp, gram, guava, bean, chilli, plum, petunia, tomato, rose, Withania, potato, onion, aloe and tulip how many plants have hypogynous flower?

  1. Fifteen
  2. Eighteen
  3. Six
  4. Ten
NEET 2013
3

In China rose the flowers are

  1. zygomorphic, hypogynous with imbricate aestivation
  2. zygomorphic, epigynous with twisted aestivation
  3. actinomorphic, hypogynous with twisted aestivation
  4. actinomorphic, epigynous with valvate aestivation
NEET 2013
4

Seed coat is not thin, membranous in

  1. groundnut
  2. gram
  3. maize
  4. coconut.
NEET 2013
5

Among flowers of Calotropis, tulip, Sesbania, Asparagus, Colchicum, sweet pea, Petunia, Indigofera, mustard, soybean, tobacco and groundnut, how many plants have corolla with valvate aestivation?

  1. Six
  2. Seven
  3. Eight
  4. Five
NEET 2013 (Karnataka)
6

Inflorescence is racemose in

  1. brinjal
  2. tulip
  3. aloe
  4. soybean.
NEET 2013 (Karnataka)
7

In a cymose inflorescence the main axis

  1. has unlimited growth
  2. bears a solitary flower
  3. has unlimited growth but lateral branches end in flowers
  4. terminates in a flower.
NEET 2013 (Karnataka)
8

How many plants among China rose, Ocimum, sunflower, mustard, Alstonia, guava, Calotropis and Nerium (oleander) have opposite phyllotaxy?

  1. Three
  2. Four
  3. Five
  4. Two
NEET 2013 (Karnataka)
9

Which one of the following organisms is correctly matched with its three characteristics?

  1. Pea : C3 pathway, endospermic seed, vexillary aestivation
  2. Tomato : twisted aestivation, axile placentation, berry
  3. Onion : bulb, imbricate aestivation, axile placentation
  4. Maize : C3 pathway, closed vascular bundles, scutellum
AIPMT 2012 (Mains)
10

How many plants in the list given below have marginal placentation? Mustard, Gram, Tulip, Asparagus, Arhar, Sun hemp, Chilli, Colchicum, Onion, Moong, Pea, Tobacco, Lupin

  1. Four
  2. Five
  3. Six
  4. Three
AIPMT 2012 (Mains)
11

Placentation in tomato and lemon is

  1. parietal
  2. free central
  3. marginal
  4. axile
AIPMT 2012 (Prelims)

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