Question 28
Plant Responses and HormonesWhich of the following is not true about auxins? They
- A.are manufactured by plants
- B.are used in the site of production
- C.are normally present in minute quantities in the cells of plants
- D.regulate growth rate of plants
- E.regulate direction of growth in plants
Show the answer and explanation
Answer: B (are used in the site of production)
Explanation
Auxins are made at the tips but act further back in the growing region, not where they are made.