Types of responses

Question 1

Name the two main type of responses.

Answer 1

• Tropism responses

- Nastic responses

Question 2

What are the characteristics of tropism responses?

State at least 3/4

Answer 2

• The response is permanent and influence by hormones
• Involves growth
• Slow responses
• Direction of growth depends on stimulus

Question 3

( Positive/ Negative) tropism grow towards stimulus.

Answer 3

positive

Question 4

What type of tropism are there?

Answer 4

• Phototropism
• Hydrotropism
• Geotropism
• Chemotropism
• Thigmotropism

Question 5

What are this tropisms sensitive to?

1) Phototropism
2) Hydrotropism
3) Thigmotropism
4) Chemotropism
5) Geotropism

Answer 5

1) Light
2) Water
3) Touch
4) Chemical
5) Gravity

Question 6

State 3 characteristic of nastic responses.

Answer 6

1) Response is temporary
2) Does not involve growth
3) Fast and immediate responds
4) For survival

Question 7

How many types of nastic responses are there?

Answer 7

1) Photonasty
2) Seismonasty
3) Nyctinasty
4) Thigmonasty
5) Thermonasty

Question 8

What are this responses sensitive to?

1. Photonasty:
2. Thermonasty:
3. Thigmonasty:
4. Nyctinasty :
5. Seismonasty:

Answer 8

1. light (Petals open in the morning)
2. Temperature. Tulips
3. Response towards vibration (carnivorous plants)
4. Circadian movement ( timing)
5. Shock, touch