Question Detail

BOT 102 BOT 102 Review Objective Question
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Question

What is the primary significance of lignified cell walls in vascular plants?
Options
A They allow for efficient storage of water and nutrients within the cells.
B They provide structural rigidity, enabling plants to grow upright and tall.
Correct Answer
C They facilitate rapid cell division and expansion, contributing to primary growth.
D They act as a primary site for photosynthesis, especially in woody tissues.
Correct Answer

Option B is the correct answer.

Detailed Explanation

Section 3.1.1 states that 'Lignified cell walls (especially in xylem) providing structural rigidity, allowing plants to grow upright and tall.' This was a key adaptation for colonising land.

Hint

Think about the physical challenges of growing tall on land and what structural component would address this.

Question Info

Course: BOT 102
Topic: BOT 102 Review
Type: Objective
Difficulty: Not specified
Question 362 of 769
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