Biology
Complete the following statement by choosing the correct alternative from the choices given in brackets:
Cerebellum is the part of the brain which is responsible for
(i) Conducting reflexes in the body
(ii) Maintaining posture and equilibrium
(iii) Controlling thinking, memory and reasoning.
Nervous System
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Answer
Maintaining posture and equilibrium.
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Related Questions
The diagram given below shows the internal structure of spinal cord depicting a phenomenon. Study the diagram and answer the following questions.
(a) Name the phenomenon shown in the figure and define the same.
(b) Identify the parts labelled as 1 and 2. Write one functional difference between these two.
(c) Name the bony protective covering and the membranous protective covering of the spinal cord.
(d) Label the guidelines 3 and 4.
(e) How is the labelled part 3 different from part 4 with respect to its composition (part of neuron)?
(f) Give the technical term for the point of contact between the two nerve cells.
(g) Name the fluid filled inside the central canal of spinal cord.
(h) Name the term used for a small gap between two neurons.
(i) Give one example of a neurotransmitter.
(j) Draw a neat diagram of a nerve cell and label the parts : Perikaryon, Node of Ranvier, Myelin sheath and Axon terminals.
The figure given below is the basic structural and functional unit of the human nervous system. Study the diagram and answer the following questions:
(a) Write the technical term for the diagram.
(b) Name two organs of our nervous system where these cells are richly found.
(c) How are these cells significant for us ?
(d) Name the cell organelle that is absent in these cells and how does it affect our body metabolism ?
(e) Redraw the same figure and label the following — Perikaryon, Axon, Dendrites, Myelin sheath and Node of Ranvier.
It was a pleasant dark evening when Anuj saw a person clumsily walking towards him. The person, in his nonsensical and slurred speech, started talking to Anuj and Anuj realised he was possibly intoxicated. Answer the following questions:
(a) How does alcohol consumption affect the brain ? State the part of the brain affected resulting in uncoordinated movements and speech.
(b) In which part of the brain does the impulse for walking or speaking arise ?
(c) How does part (a) differ with part (b) structurally?
Given below is the partially incomplete scheme of the components of peripheral nervous system. Fill up the blanks numbered (1) - (12).
