Class 11 Biology · Chapter 8 · Test 2
Support and Water Uptake
37 MCQs. This part covers supporting tissues (parenchyma, collenchyma, sclerenchyma), turgor pressure, water potential and osmosis. It also covers the uptake of water by roots through the apoplast, symplast and vacuolar pathways.
37 questions · 25 min · 37 marks
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Sample questions
The first 5 of 37. Try each one, then tap to see the answer.
Question 1
Which of the following is a supporting tissue of plants?
- AParenchyma
- BEpithelium
- CNervous tissue
- DAdipose tissue
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Answer: A
Supporting tissues consist of parenchyma collenchyma sclerenchyma xylem and phloem.
Question 2
Parenchyma tissue provides support to:
- AHerbaceous plants
- BOnly trees
- COnly aquatic animals
- DOnly fungi
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Answer: A
Parenchyma provides support to herbaceous plants and parts of larger plants.
Question 3
The internal hydrostatic pressure in plant cells that maintains rigidity is called:
- ATurgor pressure
- BRoot pressure
- COsmotic potential
- DAtmospheric pressure
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Answer: A
Water creates an internal hydrostatic pressure known as turgor pressure.
Question 4
The membrane that surrounds the vacuole is called:
- APlasmalemma
- BTonoplast
- CNuclear envelope
- DCell wall
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Answer: B
The membrane surrounding the vacuole is the tonoplast.
Question 5
Turgor pressure arises from the elevated ____ within the cell vacuole.
- AOsmotic pressure
- BTemperature
- CLight intensity
- DGravity
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Answer: A
Turgor pressure arises from the elevated osmotic pressure within the cell vacuole.
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