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Morphology of Plants - Root (Class - XI)

Morphology of Plants - Root (Class - XI)

15 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

Which of the following statements about root is correct?

  1. Roots are positively geotropic.
  2. Roots are positively phototropic.
  3. Roots bear reproductive part.
  4. Roots have distinct nodes and inter-nodes.
Question 2 Multiple Choice (Single Answer)

The function of root cap is

  1. providing nutrition to root
  2. cell division
  3. supporting the root
  4. protecting the root
Question 3 Multiple Choice (Single Answer)

Root hairs are

  1. bicellular
  2. multicellular
  3. unicellular
  4. tricellular
Question 4 Multiple Choice (Single Answer)

Which of the following is found in root cap?

  1. Sugar
  2. Starch grain
  3. Fat droplet
  4. Water
Question 5 Multiple Choice (Single Answer)

What is the function of statocytes?

  1. Meristem protection
  2. Gravity perception
  3. Mucilage secretion
  4. Starch granules storage
Question 6 Multiple Choice (Single Answer)

Which cells form the root cap?

  1. Collenchyma cells
  2. Parenchyma cells
  3. Sclerenchyma cells
  4. None of these
Question 7 Multiple Choice (Single Answer)

Which plant bears multiple root caps?

  1. Tinospora
  2. Cascuta
  3. Screw pine
  4. Pistia
Question 8 Multiple Choice (Single Answer)

Root cap is absent in

  1. some aquatic plants
  2. some parasitic plants
  3. some xerophytic plants
  4. some insectivorous plants
Question 9 Multiple Choice (Single Answer)

What is meant by "root branches are endogenous in origin"?

  1. They develop from surface of the parent root.
  2. They develop independently of the main root.
  3. They develop from the interior of the root.
  4. Multiple root branches develop from a single cell.
Question 10 Multiple Choice (Single Answer)

From which part of a plant do the adventitious roots develop?

  1. Primary root
  2. Radicle
  3. Leaf or stem
  4. Flower
Question 11 Multiple Choice (Single Answer)

Which region is essential for the growth of root?

  1. Zone of elongation
  2. Zone of cell division
  3. Root hair zone
  4. Permanent zone
Question 12 Multiple Choice (Single Answer)

Where is growth point of roots located?

  1. Terminally
  2. Sub-terminally
  3. Laterally
  4. At origin
Question 13 Multiple Choice (Single Answer)

The piliferous layer of the root is

  1. protected by root cap
  2. a layer of active growth
  3. covered by numerous hair
  4. responsible for increase in length
Question 14 Multiple Choice (Single Answer)

What kind of cells make the outer layer of permanent tissue?

  1. Absorbing cells
  2. Impermeable cells
  3. Meristematic cells
  4. Endodermal cells
Question 15 Multiple Choice (Single Answer)

Calyptrogen helps in the formation of

  1. root hairs
  2. root branches
  3. root cap
  4. primary root
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