EASY
11th CBSE
IMPORTANT
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What is the chemical composition of xylem and phloem sap?

Important Questions on Transport in Plants

EASY
11th CBSE
IMPORTANT

If you are provided with two tubes (A and B), where one is narrow and the other is relatively wider and if both are immersed in a beaker containing water as shown in the given figure. Why does B show higher water rise than A?

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EASY
11th CBSE
IMPORTANT
What are aquaporins? How does the presence of aquaporins affect osmosis?
EASY
11th CBSE
IMPORTANT
ABA (Abscisic acid) is called a stress hormone. How does this hormone overcome stress conditions?
EASY
11th CBSE
IMPORTANT
ABA (Abscisic acid) is called a stress hormone. From where does this hormone get released in leaves, whether it is root apex or stem apex?
EASY
11th CBSE
IMPORTANT
We know that plants are harmed by excess water. But plants survive under flooded condition. How are they able to manage excess water?
EASY
11th CBSE
IMPORTANT
Differentiate between diffusion and translocation in plants.
EASY
11th CBSE
IMPORTANT
How is facilitated diffusion different from diffusion?
HARD
11th CBSE
IMPORTANT
Explain the mass flow hypothesis of transport in phloem.