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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Which of the following has chlorophyll in it's fleshy cylindrical stem to carry out photosynthesis?

  1. Euphorbia
  2. Opuntia
  3. Citrus
  4. Watermelon
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Which of the following has chlorophyll in it's flattened stem to carry out photosynthesis?

  1. Opuntia
  2. Euphorbia
  3. Citrus
  4. Watermelon
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Stem spreads to new niches and when older parts die new parts are formed.

  1. Grass
  2. Strawberry
  3. Mint
  4. All of these

Find the one which doesn't belong to the above category.

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In some plants a slender lateral branch arises from the base of the main axis and growing aerially for sometime, it archs downwards to touch the ground.

Find the odd one with respect to statement.

  1. Mint
  2. Jasmine
  3. Grass
  4. All of these
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