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:
B, C and E only
A and D only
A, B and D only
B and C only
Statement A is correct (lenticels allow gas exchange). Statement D is correct (bark includes periderm and secondary phloem). Statement C is incorrect because bark refers to tissues exterior to the vascular cambium, but the definition is often restricted to periderm and secondary phloem. Statement E is incorrect as phellogen can be multi-layered.
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