NEET Previous Year Question

The anatomy of springwood shows some peculiar features. Identify the correct set of statements about springwood.
A. It is also called as the earlywood
B. In spring season cambium produces xylem elements with narrow vessels
C. It is lighter in colour
D. The springwood along with autumnwood shows alternate concentric rings forming annual rings
E. It has lower density
Choose the correct answer from the options given below:

Topic: NEET PYQ

Answer: C. Full step-by-step solution below.

  1. AC, D and E Only
  2. BA, B, D and E Only
  3. CA, C, D and E Only
  4. DA, B and D Only

Correct answer: C

Solution

(c) Spring wood is also called early wood. It is lighter in colour and has a lower density. The vessels are produced with the wider lumens to transport more water to meet the requirement by increased transpiring surface in spring season. The spring and autumn wood appear as alternate concentric rings of light and dark colour forming annual rings.

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