JAMB Biology 2007 Objective — Question 22
Question 22 of 50 from the Joint Admissions and Matriculation Board (JAMB) Biology 2007 Objective paper, with the correct answer and a full explanation.
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Use the diagram below (a klinostat with rotating arm and germinating seedlings) to answer questions 22 and 23. The part marked I will contain a high concentration of
- A. ethylene
- B. ascorbic acid
- C. auxinCorrect
- D. abscisic acid
Explanation
Auxins are produced at root and shoot apices; the part marked I (the growing tip) will have a high auxin concentration.
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