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NEET UG BIOLOGY MCQ: ANATOMY OF FLOWERING PLANTS
1
Medium
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Understanding
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I. The 1° and 2° phloem get gradually crushed due to the continued formation and accumulation of 2° xylem
II. 1° xylem remains more or less intact in or near the centre
III. Secondary growth results in an increase in the length of the axis
Select the correct statements
II. 1° xylem remains more or less intact in or near the centre
III. Secondary growth results in an increase in the length of the axis
Select the correct statements
View answer and explanation
Correct option: A
I and II
Option A (I and II) is correct because primary and secondary phloem are crushed, and primary xylem remains intact during secondary growth. Secondary growth increases girth, not length.
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Which of the above characters belong to the epidermis? Which type of Tissues can be involved in photosynthesis Central part of root occupied by parenchymatous (thin or thick walled) cells is called Casparian strips are present in the ……… of the root. I. Vessel, II. Tracheids, III. Companion cells
Which of the following is/are living cells?
II. It is usually single layered
III. It is parenchymatous
IV. Large vacuole is present
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Which of the following is/are living cells?