Question

9. Primary meristem, intercalated in between the
permanent tissues is
(1) Root apical meristem
(2) Shoot apical meristem
(3) Intercalary meristem
(4) Lateral meristem
Collenchyma differs from sclerenchyma in
(1) Having nucleus at maturity
2) Being dead tissue
3) Lacking chloroplast
4) Lacking secondary cell wall​

Answer 1

May answer of 9 will be (2)

Explanation:

I think it will help you

Answer 2

Answer:

9. Primary meristem intercalated in between the permanent tissues is option (3) Intercalary meristem.

Collenchyma differs from sclerenchyma in Option (4) Lacking a secondary cell wall.

Explanation:

• In question 9, option 3 intercalary meristem is correct because the primary meristems in the shooting part of the plant can be found between the intercalary meristems.
• Primary meristems take part in the primary growth of the plant such as an increase in vertical height of the plant, while secondary meristems take part in the secondary growth such as an increase in girth of the shoot.
• Collenchyma differs from sclerenchyma in terms of lacking the secondary cell wall, because the sclerenchyma has a secondary cell wall that is present between the plasma membrane and the cell wall.
• Collenchyma does not have a secondary wall but has thickenings due to the deposition of pectin in the primary cell wall.