Question

1. which of the following terms means a movement towards light by a plant?

gravitropism
thigmotropism
hydrotropism
phototropism

Explanation:

• Gravitropism is the growth of plants in response to gravity.
• Thigmotropism is the growth of plants in response to touch.
• Hydrotropism is the growth of plants in response to water.
• Phototropism is the growth of plants in response to light. A movement towards light is positive phototropism.

Answer:

phototropism