Question

Phototropism is a _____ tropism involving _____. negative; gravity negative; touch positive; water positive; sunlight

Answer 1

Phototropism is a _____ tropism involving _____.

negative; gravity

negative; touch

positive; water

positive; sunlight

Answer 2

Phototropism is a positive tropism involving sunlight. Tropism is the movement of a plant toward or away from a stimulus. Tropism can be negative or positive. Negative denotes moving away from and positive denotes moving towards. Phototropism occurs when plants bend towards sunlight.