Question

Collenchyma differs from parenchyma in having
(a) living protoplasm
(b) cellulose walls
(c) vacuoles
(d) pectin deposits at corners

Answer 1

Collenchyma differs from parenchyma in having:

(d) pectin deposits at corners

• Collenchyma has thick walls in comparison to Parenchyma.

• On the other hand, Parenchyma only has a primary wall.

• The thickness of walls in Collenchyma is due to the deposition of pectin at corners.

• This is the major difference between Collenchyma and Parenchyma.

Answer 2

Collenchyma differs from parenchyma in having pectin deposits at corners.

Option (D) is correct.

Explanation:

• Parenchyma have thin walls as compared to collenchyma.
• Parenchyma is made up of only primary walls whereas collenchyma has both primary and secondary walls.
• Collenchyma have large and elongated cells with unevenly thickened primary cell walls.
• As the pectin is deposit in cell walls, therefore these are thick and heavy.

Thus collenchyma differs from parenchyma in having pectin deposits at corners.

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