Plant movements: Activity Zone

 Here is the complete worksheet with answers:

Section 1: Multiple Choice Questions

1. What is the main reason why plants move towards light?

a) To absorb water

b) To absorb carbon dioxide

c) To undergo photosynthesis

d) To produce flowers

Answer: c) To undergo photosynthesis

2. Which part of the plant grows downwards into the soil due to geotropism?

a) Stem

b) Roots

c) Leaves

d) Flowers

Answer: b) Roots

Section 2: Short Answer Questions

1. What is phototropism? Give an example.

Answer: Phototropism is the movement of plants towards light. Example: Seedlings growing towards sunlight.

2. How do plants respond to touch? Give an example.

Answer: Plants respond to touch through thigmotropism. Example: Tendrils curling around supports.

Section 3: Activities

1. *Label the Diagram*: Label the different parts of the plant that exhibit phototropism, geotropism, and thigmotropism.

Answer:

- Roots: geotropism

- Stem: phototropism

- Leaves: phototropism

- Tendrils: thigmotropism

2. *Match the Terms*: Match the following terms with their definitions:

Answer:

- Phototropism: Movement towards light

- Geotropism: Movement in response to gravity

- Hydrotropism: Movement towards water

- Thigmotropism: Movement in response to touch

- Chemotropism: Movement in response to chemicals

3. *Create a Comic Strip*: Create a comic strip illustrating the different types of plant movements.

Section 4: Essay Question

Describe the importance of plant movements in plant growth and development. How do plants adapt to their environment through movement?

Answer: (This will vary depending on the student's response, but should include information about how plant movements help plants adapt to their environment, optimize their growth, and survive)

Section 5: Word Search

Find the following words related to plant movements in the word search puzzle:

Answer:

- Phototropism

- Geotropism

- Thigmotropism

- Hydrotropism

- Chemotropism

- Plant

- Movement

- Growth

- Development