HORTICULTURE SCIENCE
CROP PHYSIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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YOU ARE GIVEN A FAIRLY ONLY PIECE OF DICOT STEM AND A DICOT ROOT. WHICH OF THE FOLLOWING ANATOMICAL STRUCTURE WILL YOU USE TO DISTINGUISH BETWEEN THE TWO?
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SECONDARY XYLEM / PHLOEM
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PROTOXYLEM
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CORTICAL CELLS
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None of the above
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Explanation:
Detailed explanation-1: -Final answer: If we are given a fairly old piece of dicot stem and a dicot root, protoxylem will be the anatomical structure to distinguish between the two.
Detailed explanation-2: -The tissue that is absent in cortex of dicot stem is sclerenchyma.
Detailed explanation-3: -One can ascertain whether the transverse section of young stem is of monocot or dicot by observing the vascular bundles. In monocot stem, vascular bundles are scattered whereas in dicot stem, they are arranged in a ring.
There is 1 question to complete.