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Question

Which type of cells constitute bast fibres?


Your Answer
A
Chlorenchymatous
Your Answer
B
Parenchymatous
Your Answer
C
Aerenchymatous
Correct Answer
D
Sclerenchymatous

Solution

The correct option is D Sclerenchymatous
Bast fibres (phloem fibres) are sclerenchymatous dead cells that provide mechanical strength to plants. They have thick walls with simple pits.

Parenchyma is a simple living tissue with cellulosic cell walls. When they contain chloroplasts , they are called as chlorenchyma and help in photosynthesis.

When there are a lot of intercellular spaces, they are called as aerenchyma and is found in hydrophytes and help in buoyancy.

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