Question Detail

BOT 102 GENERAL CLASSIFICATION OF PLANTS Objective Question
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Question

How do the vascular tissues of Gymnosperms and Angiosperms differ, specifically regarding xylem and phloem companion cells?
Options
A Gymnosperm xylem has vessels; Angiosperm xylem only has tracheids.
B Gymnosperm xylem consists mainly of tracheids, and phloem lacks companion cells; Angiosperm xylem has tracheids and vessels, and phloem has companion cells.
Correct Answer
C Both have tracheids and vessels in xylem, but only Angiosperms have companion cells in phloem.
D Gymnosperms lack vascular tissue entirely, while Angiosperms have both xylem and phloem.
Correct Answer

Option B is the correct answer.

Detailed Explanation

For Gymnosperms, the text says: 'Xylem consists mainly of tracheids while phloem does not have companion cells.' For Angiosperms: 'Xylem has tracheids and vessels while phloem has companion cells.'

Hint

Focus on the specific components mentioned for xylem (tracheids, vessels) and phloem (companion cells) for each group.

Question Info

Course: BOT 102
Topic: GENERAL CLASSIFICATION OF PLANTS
Type: Objective
Difficulty: Not specified
Question 225 of 769
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