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Morphology of Flowering Plants · Question 112

AIPMT 2004MCQEasy📈 Topic in 12% papers+4−1
1

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

Answer

(2) Root cap, cell division, cell enlargement, cell maturation

Solution

As per NCERT, the apex of the root is covered by the root cap.

⇒ A few millimetres above it lies the region of meristematic activity (cell division).

⇒ Next is the region of elongation (cell enlargement).

⇒ Above it is the region of maturation, where cells differentiate and root hairs arise.

∴ Order: root cap → cell division → cell enlargement → cell maturation.

Answer: (2)

AIPMT 2004

Keep practising — Morphology of Flowering Plants

2

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

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

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

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

Geocarpic fruit is

  1. potato
  2. peanut
  3. onion
  4. garlic.
AIPMT 2002
5

Edible part in mango is

  1. mesocarp
  2. epicarp
  3. endocarp
  4. epidermis
AIPMT 2002
6

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
7

Bicarpellary gynoecium and oblique ovary occurs in

  1. mustard
  2. banana
  3. Pisum
  4. brinjal
AIPMT 2001
8

Tetradynamous conditions occur in

  1. Cruciferae
  2. Malvaceae
  3. Solanaceae
  4. Liliaceae
AIPMT 2001
9

What is the eye of potato?

  1. Axillary bud
  2. Accessory bud
  3. Adventitious bud
  4. Apical bud
AIPMT 2001
10

Edible part of banana is

  1. epicarp
  2. mesocarp and less developed endocarp
  3. endocarp and less developed mesocarp
  4. epicarp and mesocarp
AIPMT 2001
11

Which is correct pair for edible part?

  1. Tomato-thalamus
  2. Maize-cotyledons
  3. Guava-mesocarp
  4. Date palm-mesocarp
AIPMT 2001

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