Inorganic ions Quiz
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5 questions, one answer each
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1. Which ion is needed to make the middle lamellae between plant cell walls?
- A. Magnesium
- B. Calcium
- C. Phosphate
- D. Nitrate
2. A plant has pale leaves because it cannot make enough chlorophyll. Which ion is most likely lacking?
- A. Magnesium
- B. Calcium
- C. Phosphate
- D. Potassium
3. Nitrate ions are used by a plant to make
- A. cellulose and starch
- B. amino acids and the bases of DNA
- C. calcium pectate
- D. ADP and ATP
4. What is formed when phosphate ions are added to ADP?
- A. Chlorophyll
- B. Pectin
- C. ATP
- D. Amino acids
5. A farmer notices that seedlings in a field are stunted and take up few ions from the soil, although there is plenty of magnesium and nitrate. Which ion is the most likely shortage?
- A. Phosphate, so less ATP is made for active transport
- B. Calcium, so no chlorophyll is made
- C. Magnesium, so no ATP can be made
- D. Nitrate, so no pectin is made