Class X

The direction of impulse in a typical neuron is
  1. Axon to dendron
  2. Dendron to axon
  3. Both (a) and (b)
  4. None of these
Part of the brain that controls respiration, heart beat and peristalsis us
  1. Medulla Oblongata
  2. Pons
  3. Cerebrum
  4. Cerebellum
Gustatory receptors are specialized in detecting ______
  1. Taste
  2. light
  3. Smell
  4. Touch
____________ is a growth inhibitor hormone in plants
  1. Auxin
  2. Cytokinin
  3. Abscicic acid
  4. Gibberellic acid
Tropic movements are
  1. in response to light
  2. in response to gravity
  3. non-directional
  4. unidirectional
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LKG - 12th

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