Subjects
Science CBSE Homework Assignments
Class 10
Life Process
Transportation

2. Xylem and phloem

Question:

6 m.

Choose the best answer:

1. Vascular tissues of angiosperms differ from those of gymnosperms in

Presence of vessels in the xylem
Presence of well-developed sieve tubes in phloem
All the above

2. On which of these mechanisms is the ascent of sap based on.

Transpiration pull
Continuous water column
Cohesive and adhesive forces
All of these

3. Which of these is imbibition?

Osmosis
Facilitated diffusion
Special type of diffusion
Active transport

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