CBSE Class 10 - Biology - Control and Coordination (Worksheet - Fill in the Blanks)(#eduvictors)(#cbse)(#Class10Biology)

Control and Coordination (Worksheet - Fill in the Blanks)

CBSE Class 10 - Biology 

Fill in the blanks:

1. Control and coordination are the functions of the nervous system and --------------- in our body.

2. The nervous system uses ---------------impulses to transmit messages.

3. Central nervous system consists of -------------and--------------.

4. Largest part of the brain is---------------.

5. The growth of pollen tubes towards the ovules is the result of a ------------- movement.

6. The chemical substances which bring about control and coordination in plants ---------.



7. Spinal cord is enclosed in a bony cage called-------------------------.

8. --------------- is the main coordinating center of the body.

9. Three major parts of the human brain are -------------- , ------------- , and -------------.

10. The movement of shoot towards light is---------------.

11. Posture and balance of the body is controlled by -----------------------.

12. The box enclosing the brain is called the -----------------.

13. Leaf fall and dormancy is controlled by ------------------ acid.

14. The leaves of Mimosa are sensitive to --------------.

15. The response of plant roots towards water is called--------------------.

16. ----------------- of plants are positively geotropic.

17. ---------------- of plants are positively phototropic.

18. A very small gap that occurs between the last portion of axon of one neuron and the dendron of the other neuron is known as a ______.

19. A plant hormone __________, is also called growth hormone.

20. _________, a plant hormone that promotes cell division.


Answers:
1: endrocine (hormonal) system.
2: electrical impulses (inside neuron) and chemical (neurotransmisster outside neuron)
3: brain, spinal cord
4: cerebrum
5: chemotropic
6: phytohormones
7: vertebral column
8: Brain
9: fore-brain, mid-brain and hind-brain
10: phototropism
11: cerebellum (hind-brain)
12: cranium (skull)
13: Abscisic acid
14: touch
15: hydrotropism
16: Roots
17: Shoots
18: synapse
19: auxin
20. Cytokinin

☞See also:
Ch 7 - Control and Coordination
Ch 7 - Control and Coordination(MCQs)
Ch 7 - Control and Coordination (Assignment Sheet)
Ch 7 - All about Plant Hormones (Study Notes)
Ch 7 - Control and Coordination (Revision Questions)
Understanding Plant Growth (Q & A)
Ch7 - Control and Coordination (MCQs-2)