Question

Parenchyma cells are

• A. Relatively unspecified and thin-walled.
• B. Thick-walled and specialized.
• C. Lignified.
• D. None of these.

Answer 1

The correct option is A

Relatively unspecified and thin-walled.

The correct option is option A.

Explanation of correct option

1. Parenchymatous cells are simple permanent tissues that constitute a major part of ground tissue in plants and vascular tissues.
2. These cells are unspecified and thin-walled.
3. These are present in the tumor-shaped structures.
4. The Parenchymatous cells are modified in such a way that they can carry out functions such as storage, transport, photosynthesis, etc.

Explanation of incorrect option:

Option B

1. Collenchyma cells are mostly elongated, spherical, oval in shape.
2. Collenchyma cells are specialized and thick-walled.

Option C

1. Tracheids are part of the xylem which are spindle-shaped cells with thick and lignified walls.
2. These are dead without protoplasm.

Final answer: The Parenchymatous cells are relatively unspecified and thin-walled.