Toxicity of Elements and Soil Pollution Practice Questions
20 free Toxicity of Elements and Soil Pollution practice questions for the NCERT Biology, each with the correct answer and a detailed explanation. Open any question below, or take the full set as an interactive quiz.
Questions
20 questions
All Toxicity of Elements and Soil Pollution questions
- Q1. Toxicity of mineral elements in plants generally occurs when:
- Q2. Which element commonly shows toxicity symptoms when present in excess as a micronutrient?
- Q3. One of the earliest visible symptoms of mineral toxicity in plants is:
- Q4. Excess manganese in soil most commonly leads to toxicity by:
- Q5. Which of the following elements is toxic to plants even at very low concentrations?
- Q6. Soil pollution mainly affects mineral nutrition of plants by:
- Q7. Which industrial pollutant commonly leads to heavy metal toxicity in soil?
- Q8. Excess boron in soil primarily affects plants by:
- Q9. Which symptom is characteristic of heavy metal toxicity in plants?
- Q10. Soil polluted with excessive fertilizers may lead to toxicity due to accumulation of:
- Q11. Which element in excess causes leaf tip and margin burning in plants?
- Q12. Toxic levels of aluminium are more common in soils that are:
- Q13. Aluminium toxicity primarily affects which part of the plant?
- Q14. Which of the following is a long-term consequence of soil pollution on plant nutrition?
- Q15. Which mineral element toxicity can interfere with photosynthesis by damaging chloroplasts?
- Q16. The major source of soil pollution affecting mineral nutrition in agricultural fields is:
- Q17. Which nutrient shows toxicity symptoms similar to deficiency of another nutrient due to antagonism?
- Q18. Toxic accumulation of elements in edible plant parts is a concern mainly because it:
- Q19. Which practice helps reduce the impact of soil toxicity on plants?
- Q20. Overall, toxicity of elements highlights the importance of: