When cambial rings become active and the cells cut off towards periphery mature into

(1) Secondary phloem

(2) Primary phloem

(3) Primary xylem

(4) Secondary xylem

Subtopic:  Activity of Vascular Cambium |
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The cambium is generally more active on the _________ side than the _________ side.

(1) Inner, outer

(2) Outer, inner

(3) Radial, inner

(4) Radial, outer

Subtopic:  Activity of Vascular Cambium |
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The primary and secondary phloem gets gradually crushed due to the continued formation and accumulation of _________.

(1) Secondary xylem

(2) Resin

(3) Wax

(4) Bark

Subtopic:  Activity of Vascular Cambium |
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NEET 2021 - Achiever Batch - Aryan Raj Singh
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In dicot stem, at some places the cambium forms a narrow band of parenchyma which passes through the secondary xylem and secondary phloem in radial direction these are called _________.

(1) Secondary medullary rays

(2) Rays

(3) Primary medullary rays

(4) Tertiary medullary rays

Subtopic:  Activity of Vascular Cambium |
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The wood formed during spring is called

(1) Early wood

(2) Late wood

(3) Autumn wood

(4) Summer wood

Subtopic:  Types of Wood |
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The wood formed during winter is called

(1) Early wood

(2) Spring wood

(3) Autumn wood

(4) Intermediate wood

Subtopic:  Types of Wood |
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Annual ring appears due to

(1) Radial xylem

(2) Radial phloem

(3) Centric wood

(4) Alternate concentric rings

Subtopic:  Types of Wood |
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The region of secondary xylem which comprise dead element with highly lignified walls is called

(1) Casparian strip

(2) Heartwood

(3) Sapwood

(4) Bark

Subtopic:  Types of Wood |
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The peripheral region of secondary xylem lighter in colour is

(1) Sapwood

(2) Heartwood

(3) Annular wood

(4) Bark wood

Subtopic:  Types of Wood |
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Cork cambium is also called

(1) Phellogen

(2) Annular ring

(3) Early wood

(4) Late wood

Subtopic:  Activity of Cork Cambium |
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