Which of the following movements is not related to auxin level?
Correct answer: C. Nyctinastic leaf movements
- A. Bending of shoot towards light
- B. Movement of root towards soil
- C. Nyctinastic leaf movements
- D. Movement of sunflower head tracking the sun
Explanation
Nyctinasty is turgor-based, circadian-regulated, not auxin controlled.
Last updated
About Forms and Functions of Plants
Plant nutrition and transport cover mineral uptake, photosynthesis, xylem movement of water and minerals, and phloem translocation of sugars. Plant growth regulators include auxins, gibberellins, cytokinins, abscisic acid and ethene, whose effects on cell division, elongation, dormancy, fruit ripening and tropic responses should not be confused with mineral nutrition.
Practise Forms and Functions of Plants
272 free Forms and Functions of Plants MCQs from Biology, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Exams that ask Biology questions like this
Biology is on 6 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
Related questions
In plants the _ waste product is used in the chemical processes, they are not removed from the body.
Gibberellic acid induces flowering:
Organization of the stem apex into corpus and tunica is determined mainly by:
For the union between the stock and the scion in grafting, which one is the first to occur?
During seed germination, its stored food is mobilized by: