پاسخ : نمونه سوال زیست شناسی گیاهی (تاپیک حل سوال)
Collenchyma and sclerenchyma are plant support tissues. Which combination of the
following statements correctly differentiates these two types of plant tissue?
I. Collenchyma occurs only in Dicotyledons; sclerenchyma is an elastic tissue that is found in
both Monocotyledons and Dicotyledons.
II. Collenchyma cells are developed during growth; sclerenchyma cells generally occur in organs
that have concluded their longitudinal growth.
III. Collenchyma and sclerenchyma may arise from the same cell type.
IV. Collenchyma cells have primary walls only while sclerenchyma cells have secondary walls.
V. Collenchyma originates from the protoderm; sclerenchyma is formed by the procambium.
A. I, II, III.
B. II, III, IV
C. II, IV, V
D. IV,V
E. II ,III.V
F.I,II,IV
G. III,IV,V
H. II,IV