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Morphology of Plants - Stem (AIPVT)

Questions on various modifications of stem including tubers, bulbs, rhizomes, runners, and other adaptations

15 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

Which of the following are the eyes of a potato?

  1. Apical buds
  2. Origin of roots
  3. Axillary buds
  4. Bacterial infections
Question 2 Multiple Choice (Single Answer)

Why is potato a stem?

  1. It is because it stores starch.
  2. It is because it bears scale leaves.
  3. It is because it is swollen.
  4. It is because it has a brown thin cover.
Question 3 Multiple Choice (Single Answer)

In which of the following plants does the stem perform the function of food storage and vegetative propagation?

  1. Carrot
  2. Potato
  3. Maize
  4. Mint
Question 4 Multiple Choice (Single Answer)

Which of the following highlights the main difference between a stem tuber and a root tuber?

  1. Thickness of a stem tuber and a root tuber
  2. Presence of nodes and inter-nodes in stem
  3. Presence of hairs in root and stem
  4. Difference in stored food
Question 5 Multiple Choice (Single Answer)

In which of the following plants is the stem shortened to a disc-like structure and does not have food material?

  1. Colocasia
  2. Onion
  3. Potato
  4. Ginger
Question 6 Multiple Choice (Single Answer)

What are the points on a stem called where the buds, leaves and branching twigs originate?

  1. Nodes
  2. Inter-nodes
  3. Apical buds
  4. Accessory buds
Question 7 Multiple Choice (Single Answer)

What role do axillary buds of agave play?

  1. Protective
  2. Photosynthetic
  3. Reproductive
  4. Respiratory
Question 8 Multiple Choice (Single Answer)

Which type of stems are grasses?

  1. Offset
  2. Runner
  3. Stolon
  4. Sucker
Question 9 Multiple Choice (Single Answer)

What is modification of a stem into flat and leaf-like photosynthetic structure called?

  1. Tendril
  2. Phylloclade
  3. Phyllode
  4. Thorn
Question 10 Multiple Choice (Single Answer)

Though ginger grows underground, yet it is not a root because

  1. it is provided with distinct nodes and inter-nodes
  2. it possesses axillary bud and terminal bud
  3. Both (1) and (2)
  4. it stores food
Question 11 Multiple Choice (Single Answer)

How do phylloclades differ from cladodes?

  1. Both differ in colour.
  2. Both differ in their function of synthesising food.
  3. Both differ in the number of nodes and inter-nodes present.
  4. Both differ in their modifications.
Question 12 Multiple Choice (Single Answer)

Which bud is modified into thorns in a citrus family?

  1. Accessory bud
  2. Axillary bud
  3. Adventitious bud
  4. Apical bud
Question 13 Multiple Choice (Single Answer)

Distinct nodes and inter-nodes are absent in

  1. corn
  2. rhizome
  3. bulb
  4. tuber
Question 14 Multiple Choice (Single Answer)

Which of the following is an example of condensed rhizome?

  1. Garlic
  2. Arbi (colocasia)
  3. Artichoke
  4. Turmeric
Question 15 Multiple Choice (Single Answer)

Which of the following develop(s) at the base of erect shoots called crowns?

  1. Stolon
  2. Offset
  3. Runner
  4. Sucker
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