Pith or Medulla

Q. Sclereids are

1. spherical, oval or cylindrical
2. with highly thickened dead cells with very narrow cavity (lumen)
3. commonly found in the fruit walls of nuts, pulp of fruits like guava, pear and sapota, seed coat of legumes and tea leaves
4. all of the above

Q. The gritty nature of the pulp of fruits like pear and sapota is due to the presence of:

1. Brachysclereids
2. Astrosclereids
3. Macrosclereids
4. Osteosclereids

Q. What is the innermost layer of a stem in dicot and monocot?

1. Cortex
2. Pith
3. Cambium

4. Bast

Q. What is the innermost layer of a stem in dicot and monocot?

1. Cortex
2. Pith
3. Cambium

4. Bast

Q. What is the innermost layer of a stem in dicot and monocot?

1. Collenchyma

2. Bast

3. Sclerenchyma fibres

4. Sclereids