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ICSE Class 10 Biology Question 11 of 12

Solved 2012 Question Paper ICSE Class 10 Biology — Question 11

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Question

Question 7(a)

Answer the following:

(i) Draw a well labelled diagram of a 'Neuron' and name the following parts

  1. Node of Ranvier
  2. Nissil granules
  3. Cyton

(ii) Name the part of the human brain which is concerned with the following :

  1. Seat of memory
  2. Coordinates muscular activity

(iii) Mention any three major activities of the WHO. [5]

Answer

(i) Well labelled diagram of a Neuron with Node of Ranvier, Nissil granules and Cyton named is shown below:

Draw a well labelled diagram of a Neuron and name the following parts - Node of Ranvier, Nissil granules, Cyton. ICSE 2012 Biology Solved Question Paper.

(ii) The respective parts of the human brain are mentioned below:

  1. Seat of Memory — Cerebrum.
  2. Co-ordinates muscular activity — Cerebellum.

(iii) Three major activities of the WHO are:

  1. To collect and supply information about occurrence of epidemic diseases. Example — Cholera, Typhoid etc.
  2. To supply information on latest developments about the use of vaccines and about health hazards of nuclear radiation.
  3. To lay pharmaceutical standards for important drugs.