Identify the statements as true(T) or false(F). A. Xylem fibres are the components of xylem in all categories of vascular plants. B. Advanced angiosperm families like Winteraceae & Trochodendraceae do not have vessels. C. Sieve tubes & companion cells are ontogenetically related & are called sister cells. D. The cytoplasm of a mature sieve tube occurs in the form of a thin-living layer along the inner side of cell walls.
A
A(T), B(T), C(T), D(F)
B
A(T), B(F), C(T), D(T)
C
A(F), B(F), C(T), D(T)
D
A(T), B(F), C(T), D(F)
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