Question

Sclereids are found in

• A. Fruit walls of nuts
• B. Grit of guava and pear
• C. Seed coats of legumes
• D. All of these

Answer 1

The correct option is D

All of these

The correct option is D.

Explanation of the correct option:

Option D:

1. They are irregular sclerenchymatous (dead cells with heavily thickened walls) cells.
2. They are located in fruit walls of nuts, the grit of guava and pear, leaves of tea, and seed coats of legumes.
3. Sclereids are dead cells with a narrow lumen.
4. They have lignin and 60-80% of cellulose content.
5. The sclereids may have an oval, spherical, or cylindrical shape.

Explanation of the incorrect options:

Option A:

1. This is an incorrect option as sclereids are also found in the grit of guava and pear and seed coats of legumes

Option B:

1. The sclereids are also found in fruit walls of nuts and seed coats of legumes along with the grit of guava and pear.
2. Hence, this is an incorrect option.

Option C:

1. Sclereids are also found in fruit walls of nuts and the grit of guava and pear.
2. Thus, this is an incorrect option.

Final answer: Sclereids are found in fruit walls of nuts, the grit of guava and pear, and seed coats of legumes.