The correct option is
D All of these
The correct option is D.
Explanation of the correct option:
Option D:
- They are irregular sclerenchymatous (dead cells with heavily thickened walls) cells.
- They are located in fruit walls of nuts, the grit of guava and pear, leaves of tea, and seed coats of legumes.
- Sclereids are dead cells with a narrow lumen.
- They have lignin and 60-80% of cellulose content.
- The sclereids may have an oval, spherical, or cylindrical shape.
Explanation of the incorrect options:
Option A:
- This is an incorrect option as sclereids are also found in the grit of guava and pear and seed coats of legumes
Option B:
- The sclereids are also found in fruit walls of nuts and seed coats of legumes along with the grit of guava and pear.
- Hence, this is an incorrect option.
Option C:
- Sclereids are also found in fruit walls of nuts and the grit of guava and pear.
- Thus, this is an incorrect option.
![](https://byjus-answer-creation.s3.amazonaws.com/uploads/3405Biology_62a3726c26d5cf1bf8a64629.jpg_img_upload_solution_2022-07-06 13:44:58.013392.png)
Final answer: Sclereids are found in fruit walls of nuts, the grit of guava and pear, and seed coats of legumes.