Class XI

Blood vessels are found to be present in which region of eye?
  1. Pupil
  2. blind spot
  3. Choroid
  4. cornea
A region on retina of human eye which is free from rods and cones is :
  1. optic nerves
  2. black spot
  3. fovea
  4. yellow spot
Gustatoreceptors are responsible for the sense of :
  1. pain
  2. touch
  3. pressure
  4. taste
Among photoreceptors cones are responsible for bright light vision and they also : i. give colour vision because they contain 3 different pigments. ii. pigments are sensitive to red,green and yellow lights. iii. pigments are sensitive to red,green and blue lights. iv. individual cone cell contains all the three pigments in it.
  1. only statement i), iii) and iv) are correct.
  2. only statement i) and iv) are correct.
  3. only statement i), ii) and iv) are correct.
  4. only statement i) and iii) are correct.
Among the following correct matches for ear parts and functions are : column A a) cristae b) cerumen c) organ of corti d) maculae column B i) responsible for lubrication and protection ii) responsible for dynamic equilibrium iii)responsible for static equilibrium iv) responsible for hearing
  1. a)-iv, b)-ii, c)-i, d)-iii
  2. a)-i, b)-iii, c)-iv, d)-ii
  3. a)-ii, b)-i, c)-iv, d)-iii
  4. a)-iii, b)-iv, c)-ii, d)-i
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