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Topic: Morphology: root, stem, leaf and modifications· Structural Organisation in Animals and Plants

Identify the correct set of statements :(a) The leaflets are modified into pointed hard thorns in Citrus and Bougainvillea(b) Axillary buds form slender and spirally coiled tendrils in cucumber and pumpkin(c) Stem is flattened and fleshy in Opuntia a…

Identify the correct set of statements :

(a) The leaflets are modified into pointed hard thorns in Citrus and Bougainvillea

(b) Axillary buds form slender and spirally coiled tendrils in cucumber and pumpkin

(c) Stem is flattened and fleshy in Opuntia and modified to perform the function of leaves

(d) Rhizophora shows vertically upward growing roots that help to get oxygen for respiration

(e) Subaerially growing stems in grasses and strawberry help in vegetative propagation

Choose the correct answer from the options given below :

1. (a), (b), (d) and (e) Only

2. (b) and (c) Only

3. (a) and (d) Only

4. (b), (c), (d) and (e) Only

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Best answer

Answer: 4. (b), (c), (d) and (e) Only

  • (a) In Citrus and Bougainvillea, axillary buds (stems) become thorns, not leaflets: false.
  • (b) Axillary buds form tendrils in cucumber and pumpkin: true.
  • (c) Opuntia has a flattened fleshy stem doing the work of leaves: true.
  • (d) Rhizophora has pneumatophores for respiration: true.
  • (e) Subaerial stems (runners) in grasses and strawberry propagate vegetatively: true.

So (b), (c), (d) and (e).

Doubtly AI · 30 Oct 2026 AI-generated · not yet verified Report
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