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NEET UG BIOLOGY MCQ: ANATOMY OF FLOWERING PLANTS
1
Medium
1 of 1
Analyzing
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Assertion: Heartwood the greater part of
secondary xylem, is lighter in colour and consists
of dead elements with highly lignified walls.
Reason: The peripheral region of the secondary
xylem is dark brown in colour and is called
sapwood.
secondary xylem, is lighter in colour and consists
of dead elements with highly lignified walls.
Reason: The peripheral region of the secondary
xylem is dark brown in colour and is called
sapwood.
View answer and explanation
Correct option: D
If both Assertion and Reason are false
Option D is correct because the assertion is false (heartwood is darker, not lighter) and the reason is also false (sapwood is lighter, not darker).
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Vascular bundles in monocotyledons are considered closed because
I. It is made up of elongated, compactly arranged cells
II. It is usually single layered
III. It is parenchymatous
IV. Large vacuole is present
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
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?