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23 questions
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- 1. Multiple Choice
Tropisms are...
Plant responses to stimuli
Types of neurone
Types of plant hormone
Types of plant
- 2. Multiple Choice
If a tropism is positive...
The plant moves towards the stimulus
The plant moves away from the stimulus
- 3. Multiple Choice
If a tropism is negative...
The plant moves towards the stimulus
The plant moves away from the stimulus
- 4. Multiple Choice
In shoots, auxin...
makes cells elongate
inhibits elongation
- 5. Multiple Choice
In roots, auxin...
makes cells elongate
inhibits elongation
- 6. Multiple Choice
In shoots, auxin accumulates...
on the lit side
on the shaded side
- 7. Multiple Choice
Where is auxin produced?
Root tips
Shoot tips
xylem
phloem
- 8. Multiple Choice
How does auxin move through the plant?
Diffusion
Osmosis
Active transport
- 9. Multiple Choice
Where is the auxin produced in this shoot tip?
A
B
C
- 10. Multiple Choice
Where will auxin accumulate and make the cells elongate?
A
B
C
- 11. Multiple Choice
The shoot tip on the left has light shining only from position 1. After a week, what will its growth response look like?
A
B
C
- 12. Multiple Choice
The shoot tip on the left has light shining only from position 2. After a week, what will its growth response look like?
A
B
C
- 13. Multiple Choice
The shoot tip on the left has light shining only from position 3. After a week, what will its growth response look like?
A
B
C
- 14. Multiple Choice
The black bar is a mica barrier that blocks auxin.
Which shoot tips will grow towards the light on the right?
A
B
C
D
- 15. Multiple Choice
Where is auxin produced in this root?
A
B
C
- 16. Multiple Choice
Where will auxin accumulate in this root?
A
B
C
- 17. Multiple Choice
Where will cell elongation be inhibited in this root?
A
B
C
- 18. Multiple Choice
Which are positively phototropic?
Roots
Shoots
- 19. Multiple Choice
Which are positively geotropic?
Roots
Shoots
- 20. Multiple Choice
Which are negatively geotropic?
Roots
Shoots
- 21. Multiple Choice
Which are negatively phototropic?
Roots
Shoots
- 22. Multiple Choice
A student mounts a germinating seed on a klinostat. The klinostat is NOT turning. Which way will the shoot grow?
A
B
C
D
- 23. Multiple Choice
A student mounts a germinating seed on a klinostat. The klinostat is turning. Which way will the shoot grow?
A
B
C
D
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