Biology 12 Chapter 16 - Support and Movements - 5

Biology 12 Chapter 16 - Support and Movements - 5

1. What is CORRECT about Heart wood?
Store resins, gums, oils and tannins
Good water conductor
Active wood
Soft wood

2. This is Not the function of callus?
Formed soft parenchymatous tissues
Help in wound healing
Unites branches during budding
Form water conducting pipe

3. How many types of movements shown by plants?
Four
Two
One
Three

4. The spontaneous movements due to internal causes are called?
Growth movements
Tactic movements
Autonomic movements
Paratonic movements

5. The spontaneous movements due to external causes are called?
Turgor movements
Autonomic movements
Paratonic movements
Growth movements

6. Autonomic movements are divided into how many types?
Four
Two
Three
Six

7. The movements of an entire cell or organism due to internal stimulus is called?
Tactic movements
Turgor movements
Sleep movements
Growth movements

8. The tactic movements may be ……………if towards the stimulus?
Chemotactic
Phototactic
Negative
Positive

9. The tactic movements may be ……………if away from the stimulus?
Chemotactic
Positive
Negative
Phototactic

10. Tactic movements are classified on the basis of?
Size of the organisms
Nature of the stimulus
Nature of the plants
Amount of water in the cells

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