Saturday, 13 September 2014

worksheet - control and cordination


Class: 10    Month: June                            Worksheet Number: 10/Sci/07/01

Subject: Biology                                             Chapter: 07 Control and Coordination



Name:                                                                                       





Each question carries 1 mark:


Section : Exposition

1            Name the two components of central nervous systems in humans.
2            What is meant by effectors and receptors?
3            How is the spinal cord protected in the human body?
4            What is reflex action?
5            What are spinal and cranial nerves?
6            How is brain protected in our body?

Each question carries 2 marks

8            Differentiate between sensory and motor neurons.
9            How are involuntary actions and reflex actions different from each other?
10           What happens at the synapse between two neurons?
11           How does the nervous tissue cause action?

Each question carries 3 marks:
12           Compare the nervous and hormonal systems for control and co-ordination in human
beings.
13           What is the need for a system of control & co-ordination in organisms?
14            What is the function of mid brain? Name the different parts of hind brain and give one function of each.

Section : Extended Exposition

Each question carries 2 marks:
15           Compare electrical impulse with respect to chemical impulse.
16           Which signals will get disrupted in case of a spinal cord injury?




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Class: 10    Month: June                            Worksheet Number: 10/Sci/07/01

Subject: Biology                                             Chapter: 07 Control and Coordination


Each question carries 3 marks:
17           What is the function of receptors in our body? Think of situations where receptors do
not work properly. What problems are likely to arise?
18            A man becomes unconscious due to head injury. A pin is pricked on his foot, withdraws his foot. Explain why?

Section : Interpretation & Reasoning

Each question carries 1 mark:
19           A drunken person generally walks clumsily. Which part of the brain is affected by
alcohol intake?
20            A person suffered a head injury, due to which he faces breathing problem. No problem was detected with his respiratory system. What could be the cause of this problem?
21            The beating of the heart and hearing sounds are both controlled by the brain. How do these two actions vary from each other?

Each question carries 3 marks:
22           Ram has met with an accident after that he lost the capacity to
(i)walk in straight line  (ii)smell anything (iii)does not feel full after eating
Which part of brain is damaged in each case?
23           Draw a well labelled diagram of brain showing meninges, CSF, cerebrum, pituitary, cerebellum, pons, medulla oblongata, mid-brain.
24           What is the function of receptors in our body? Think of situation where receptors do not work properly. What are the problems likely to arise?
.
Section : Problem Solving

25            Draw the structure of a neuron and label the part: (i) Where information is acquired
(ii) Through which information travels as an electrical impulse-
26            You have touched a hot object; represent diagrammatically the path that leads to a response that is, quickly pulling back the hand

















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Subject: Biology                                             Chapter: 07 Control and Coordination















































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Class: 10    Month: June                            Worksheet Number: 10/Sci/07/01

Subject: Biology                                             Chapter: 07 Control and Coordination



































































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Class: 10    Month: June                            Worksheet Number: 10/Sci/07/01

Subject: Biology                                             Chapter: 07 Control and Coordination



































































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