Friday, June 22, 2012

Sample test paper (Chapter: Control and Coordination) Biology Class X Board CBSE


Chapter: Control and Coordination                                      TOTAL MARKS: 19
CLASS: X                                                                          TIME: 30min
Board: CBSE                                                                      SUBJECT: BIOLOGY

  1. Define reflux. (1)

  1. Draw structure of neuron. (2)

  1. Explain geotropism in plants. (2)

  1. Name some involuntary actions of our body. (2)

  1. Give examples of hydrotropism and chemotropism in plants. (2)

  1. How do auxins promote the growth of a tendril around a support? (2)

  1. Why it is important to have iodized salt in our diet? (2)

  1. Why there is change in our appearance as we approach 10-12 years of age? (2)

  1. How is our body sugar level controlled naturally? (2)

  1. Draw structure of human brain. (2)


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