Identify the correct statements:
A. Lenticels are the lens-shaped openings permitting the exchange of gases.
B. Bark formed early in the season is called hard bark.
C. Bark is a technical term that refers to all tissues exterior to vascular cambium.
D. Bark refers to periderm and secondary phloem.
E. Phellogen is single-layered in thickness.
Choose the correct answer from the options given below:
- A
B, C and E only
- B
A and D only
- C
A, B and D only
- D
B and C only
Lenticels are lens-shaped openings on bark that allow gas exchange — A correct. Bark refers in NCERT to the periderm together with the secondary phloem — D correct. Bark formed early in the season is soft bark, not hard (B wrong). Bark is a non-technical term (C wrong). Phellogen is typically a couple of layers thick, not strictly single-layered (E wrong).
Practice more Biology
Concept-wise practice with instant solutions on Fundamenthol.
Start practicing →