Biotechnology - Transport of Molecules in Plant

Exercise : Transport of Molecules in Plant - Section 1
  • Transport of Molecules in Plant - Section 1
1.
A widely accepted explanation for transport of sugar in phloem is called
root pressure theory
transpiration
pressure flow hypothesis
cytoplasmic streaming
Answer: Option
Explanation:
No answer description is available. Let's discuss.

2.
Phloem is composed of
vessel elements and companion cells
tracheids and vessel elements
sieve-tube elements and companion cells
tracheids and sieve-tube elements
Answer: Option
Explanation:
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3.
The movement of most minerals, including potassium into root cells is by
osmosis
diffusion
bulk flow
active transport
Answer: Option
Explanation:
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4.
The evaporation of water from leaves is called
transpiration
cohesion
tension
pressure flow
Answer: Option
Explanation:
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5.
Normally CO2 and O2 enter a plant by
osmosis
active transport
diffusion
evaporation
Answer: Option
Explanation:
No answer description is available. Let's discuss.