Chapter Mixed Board Test

25 MCQs • Complete Chapter 9 revision covering mineral nutrition, transport, transpiration, water and food transport, gaseous exchange, excretion, and osmotic adjustments.

MCQs

25 questions · 20 min · 25 marks

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Sample questions

The first 5 of 25. Try each one, then tap to see the answer.

Question 1
Which mineral is a component of chlorophyll and activates many enzymes?
- AMagnesium
- BIron
- CPotassium
- DBoron
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Answer: A
The chapter states that magnesium is a component of chlorophyll and activates many enzymes.
Question 2
Which nutrient is a component of proteins chlorophyll and enzymes?
- ANitrogen
- BCalcium
- CChlorine
- DNickel
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Answer: A
Nitrogen is a component of proteins, chlorophyll and enzymes.
Question 3
Which tissue is responsible for transporting water and salts?
- AXylem
- BPhloem
- CCortex
- DPericycle
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Answer: A
Xylem is responsible for the transport of water and salts.
Question 4
Which tissue is responsible for transporting food?
- APhloem
- BXylem
- CEpidermis
- DEndodermis
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Answer: A
Phloem is responsible for the transport of food.
Question 5
What are root hairs?
- AHair-like extensions of epidermal cells
- BExtensions of xylem
- CExtensions of phloem
- DParts of the pericycle
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Answer: A
Root hairs are tiny hair-like extensions of epidermal cells.

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