Which permanent tissue makes a plant hard and stiff?

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RRB ALP Previous Paper 11 (Held On: 17 Aug 2018 Shift 1)
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  1. Collenchyma
  2. Sclerenchyma
  3. Parenchyma
  4. Aerenchyma

Answer (Detailed Solution Below)

Option 2 : Sclerenchyma
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Detailed Solution

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  • Sclerenchyma is the permanent tissue that makes a plant hard and stiff.
  • Collenchyma cells are those which have irregularly thick cell walls which provide support and structure.
  • Parenchyma are thin-walled tissues which are involved in food storage, photosynthesis, and other activities of plant life.
  • Aerenchyma are spongy tissues which form air channels in the leaves, stem, and roots of some plants.
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