Which of the following is not true about stem tendrils?

  1. Slender
  2. Spirally coiled
  3. Help plants to climb
  4. Arise from terminal bud
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. Which of the following is not a gourd tendril?

  1. Cucumber
  2. Pumpkins
  3. Watermelon
  4. Grapevines
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Thorns develop from

  1. Axillary buds
  2. Terminal buds
  3. Leaves
  4. Phyllode
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The characteristic of thorns are

  1. Herbaceous, coiled and slender
  2. Woody, straight and pointed
  3. Herbaceous, straight and slender
  4. Woody, coiled and pointed
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The following modification of stem is used in protection from browsing animals-

  1. Tendril
  2. Node
  3. Thorn
  4. Fleshy cylinder
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Which of the following is not a stem modification?

  1. Turnip
  2. Citrus
  3. Bougainvillea
  4. Grapevines
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Thorn is not found in

  1. Citrus
  2. Bougainvillea
  3. Cucumber
  4. Both 1 and 2
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Stem tendril is not found in

  1. Cucumber
  2. Pumpkins
  3. Watermelon
  4. Citrus
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. Some plants of arid regions have which of the following modification?

  1. Flattened stem-Opuntia
  2. Underground stem-Potato
  3. Thorn-Citrus
  4. Tendril- Grapevine
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Which of the following has chlorophyll in their stem to carry out photosynthesis?

  1. Opuntia
  2. Citrus
  3. Bougainvillea
  4. Cucumber
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