Biology Practice: Plant Coordination (Mock Test 1 - Basic Definitions & Chemical Regulation)
1. The movement of a plant part in response to a directional stimulus is known as:
2. Which plant hormone is primarily responsible for cell elongation and apical dominance?
3. The movement of sunflower following the path of the sun is an example of:
4. Plant hormones are also scientifically known as:
5. Which of the following is a growth-inhibiting hormone in plants?
6. The movement of plant roots towards the earth's center is:
7. Which hormone is responsible for the ripening of fruits?
8. The response of a plant part to the stimulus of touch is called:
9. Gibberellins were first discovered in which type of organism?
10. The closing of leaves in the "Touch-me-not" plant is an example of:
11. Which hormone promotes cell division (cytokinesis) in plants?
12. The growth of pollen tubes towards the ovule is an example of:
13. Auxins are mostly synthesized in which part of the plant?
14. The movement of plant parts in response to the concentration of water is:
15. Which hormone is known to break seed dormancy and promote bolting?
16. Non-directional plant movements that occur due to changes in turgor pressure are:
17. ABA (Abscisic Acid) primarily functions to cause:
18. The "apical dominance" caused by auxin refers to the inhibition of growth of:
19. Which movement is considered a 'growth' movement?
20. Synthetic auxins like 2,4-D are commonly used in agriculture as:
