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Anatomy of Flowering Plants · Question 73

AIPMT 2003MCQEasy📈 Topic in 0% papers+4−1
1

The apical meristem of the root is present

  1. In all the roots
  2. Only in tap roots
  3. Only in adventitious roots
  4. Only in radicles

Answer

(1) In all the roots

Solution

As per NCERT, a few millimetres above the root cap is the region of meristematic activity; the root apical meristem occupies the tip of a root while the root cap covers it.

⇒ Every root (primary, tap, lateral or adventitious) grows in length by the activity of this meristem.

∴ The apical meristem of the root is present in all the roots.

Answer: (1)

AIPMT 2003

Keep practising — Anatomy of Flowering Plants

2

Diffuse porous wood is characteristic of those plants which are growing in :

  1. Tropics
  2. Temperate climate
  3. Alpine region
  4. Cold winter regions
AIPMT 2003
3

The cells of the quiescent centre are characterised by :

  1. Having light cytoplasm and small nuclei
  2. Dividing regularly to add to tunica
  3. Having dense cytoplasm and prominent nuclei
  4. Dividing regularly to add to the corpus
AIPMT 2003
4

Which of the following statements is true ?

  1. Tracheids are unicellular and with wide lumen
  2. Tracheids are multicellular and with narrow lumen
  3. Vessels are multicellular and with wide lumen
  4. Vessels are unicellular and with narrow lumen
AIPMT 2002
5

Axillary bud and terminal bud derived from the activity of : -

  1. Apical meristem
  2. Parenchyma
  3. Lateral meristem
  4. Intercalary meristem
AIPMT 2002
6

Four radial vascular bundles are found in : -

  1. Monocot stem
  2. Dicot stem
  3. Dicot root
  4. Monocot root
AIPMT 2002
7

Vessels are found in:

  1. Most of the angiosperms and a few gymnosperms
  2. All angiosperms and some gymnosperms
  3. All pteridophyta
  4. All angiosperms, all gymnosperms and some pteridophyta
AIPMT 2002
8

Main function of lenticel is

  1. transpiration
  2. guttation
  3. gaseous exchange
  4. bleeding.
Out of syllabusAIPMT 2002
9

In which of the following plants sunken stomata are found?

  1. Nerium
  2. Hydrilla
  3. Mango
  4. Guava
AIPMT 2001
10

What happens in plants during vascularisation?

  1. Formation of procambium, primary phloem and xylem simultaneously
  2. Differentiation of procambium followed by the formation of secondary xylem
  3. Differentiation of procambium, formation of primary phloem followed by formation of primary xylem
  4. Differentiation of procambium followed by the formation of primary phloem and xylem simultaneously
AIPMT 2000

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