JAMB Biology 2020 Objective — Question 28
Question 28 of 40 from the Joint Admissions and Matriculation Board (JAMB) Biology 2020 Objective paper, with the correct answer and a full explanation.
Advertisement
28. The elements required for chlorophyll formation are (a) magnesium, iron and nitrogen (b) potassium and nitrogen (c) magnesium and calcium (d) None of the above
- A. A. magnesium, iron and nitrogenCorrect
- B. B. potassium and nitrogen
- C. C. magnesium and calcium
- D. D. None of the above
Explanation
The elements required for chlorophyll formation are magnesium, iron and nitrogen. Thus, yellowing of leaves (chlorosis) is a symptom of the deficiency of any of those elements.
Advertisement
Sign up free to unlock
- Score tracking
- Practice history
- Saved questions
- Progress dashboard
- Personalized sessions
- Weak-topic breakdown
…and/or go further with premium services and No Ads.