Asked by Alanys Ruíz on Jun 10, 2024
Verified
You place a coleoptile in unidirectional light and then immediately cover the tip. Which of the following will happen?
A) The coleoptile will bend toward the light.
B) The coleoptile will not bend.
C) The coleoptile will bend away from the light.
D) The coleoptile will die.
E) The coleoptile will grow in a spiral pattern.
Coleoptile
A protective sheath covering the emerging shoot in monocotyledonous plants, such as grasses, allowing the young shoot to pierce through the soil.
Unidirectional Light
Light that travels in a single direction, often used in scientific studies to understand plant growth or behavior.
- Explain how plants react to different external factors by growing towards or away from stimuli.
Verified Answer
IG
Iileen GarciaJun 12, 2024
Final Answer :
B
Explanation :
The tip of the coleoptile is responsible for sensing light and initiating the bending response toward the light source. By covering the tip, you prevent light detection, resulting in the coleoptile not bending.
Learning Objectives
- Explain how plants react to different external factors by growing towards or away from stimuli.