Plant Responses and Growth

What plant folds its leaves when touched, as mentioned in the video?

• Mimosa pudica

• Sunflower

• Cactus

• Venus flytrap

Which plant is known for trapping flies?

• Mimosa pudica

• Venus flytrap

• Bamboo

• Orchid

What is the term for a plant's growth response to touch?

• Hydrotropism

• Thigmotropism

• Geotropism

• Phototropism

What is the role of trigger hairs in Venus flytraps?

• To absorb sunlight

• To detect prey

• To release scent

• To collect water

What is a growth response to light called?

• Thigmotropism

• Phototropism

• Hydrotropism

• Geotropism

What type of tropism do roots exhibit towards gravity?

• Negative phototropism

• Positive phototropism

• Negative geotropism

• Positive geotropism

What is negative phototropism?

• Growth away from gravity

• Growth towards gravity

• Growth away from light

• Growth towards light

What is positive geotropism?

• Growth towards gravity

• Growth away from gravity

• Growth away from light

• Growth towards light

How do shoots know to grow upwards in the absence of light?

• Positive phototropism

• Negative phototropism

• Negative geotropism

• Positive geotropism

Why do roots exhibit positive geotropism?

• To escape predators

• To find light

• To release excess water

• To absorb more water and nutrients