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Morphology of Flowering Plants · Question 107

AIPMT 2006MCQEasy📈 Topic in 25% papers+4−1
1

Pineapple (ananas) fruit develops from

  1. a multilocular monocarpellary flower
  2. a unilocular polycarpellary flower
  3. a multipistillate syncarpous flower
  4. a cluster of compactly borne flowers on a common axis

Answer

(4) a cluster of compactly borne flowers on a common axis

Solution

As per NCERT, in some plants such as pineapple, a fruit develops from the whole inflorescence.

∵ In pineapple the many flowers of a spike-like inflorescence, compactly borne on a common axis, fuse together to form one composite fruit (sorosis).

∴ The fruit develops from a cluster of compactly borne flowers on a common axis, not from a single flower.

Answer: (4)

AIPMT 2006

Keep practising — Morphology of Flowering Plants

2

In which of the following fruits, the edible part is the aril?

  1. Litchi
  2. Custard apple
  3. Pomegranate
  4. Orange
AIPMT 2006
3

Which of the following represents the edible part of the fruit of litchi?

  1. Mesocarp
  2. Endocarp
  3. Pericarp
  4. Juicy aril
AIPMT 2005
4

The ability of the Venus Flytrap to capture insects is due to

  1. specialized “muscle-like” cells
  2. chemical stimulation by the prey
  3. a passive process requiring no special ability on the part of the plant
  4. rapid turgor pressure changes.
AIPMT 2005
5

Edible part of mango is

  1. endocarp
  2. receptacle
  3. epicarp
  4. mesocarp
AIPMT 2004
6

In a longitudinal section of a root, starting from the tip upward, the four zones occur in the following order :-

  1. Cell division, cell enlargement, cell maturation, root cap
  2. Root cap, cell division, cell enlargement, cell maturation
  3. Root cap, cell division, cell maturation, cell enlargement
  4. Cell division, cell maturation, cell enlargement, root cap
AIPMT 2004
7

Juicy hair-like structures observed in the lemon fruit develop from

  1. exocarp
  2. mesocarp
  3. endocarp
  4. mesocarp and endocarp.
AIPMT 2003
8

The aleurone layer in maize grain is specially rich in :-

  1. Lipids
  2. Proteins
  3. Auxins
  4. Starch
AIPMT 2003
9

Geocarpic fruit is

  1. potato
  2. peanut
  3. onion
  4. garlic.
AIPMT 2002
10

Edible part in mango is

  1. mesocarp
  2. epicarp
  3. endocarp
  4. epidermis
AIPMT 2002
11

Choose the correct match. Bladderwort, sundew, Venus flytrap

  1. Nepenthes, Dionaea, Drosera
  2. Nepenthes, Utricularia, Vanda
  3. Utricularia, Drosera, Dionaea
  4. Dionaea, Trapa, Vanda.
Out of syllabusAIPMT 2002

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