Same chapter3 marksDifficulty: Medium
Distinguish between the apoplast and the symplast pathways of water movement.
Transport in Plants and Mineral Nutrition
3 marksDifficulty: Medium
Name three macronutrients and three micronutrients required by plants and state one deficiency symptom.
Original Khojo Papers practice question — not from a past board paper.
Answer
Nitrogen, phosphorus and potassium are macronutrients; iron, zinc and manganese are micronutrients. A deficiency of nitrogen causes chlorosis and stunted growth, and a deficiency of iron causes chlorosis of the young leaves.
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
Macronutrients are needed in concentrations above about 10 millimoles per kilogram of dry matter.
Related questions
From the same topic and chapter, at a similar level.
Same chapter3 marksDifficulty: Medium
Define water potential, solute potential and pressure potential, and state their relation.
Transport in Plants and Mineral Nutrition
Same chapter3 marksDifficulty: Medium
Explain the cohesion-tension theory of the ascent of sap.
Transport in Plants and Mineral Nutrition
Same subject3 marksDifficulty: Medium
State three differences between gymnosperms and angiosperms.
Plant Kingdom
Same subject3 marksDifficulty: Medium
State three characteristics of bryophytes and name one example.
Plant Kingdom
Same subject3 marksDifficulty: Medium
What are viruses, and why are they placed outside the five-kingdom system?
The Living World and Biological Classification