Good vision depends on adequate intake of carotene rich food. Select the best option from the following statements : (i) Vitamin A derivatives are formed from carotene (ii) The photopigments are embedded in the membrane discs of the inner segment (iii) Retinal is a derivative of Vitamin A (iv) Retinal is a light absorbing part of all the visual photopigments
A.
(i), (iii) and (iv)
B.
(i) and (iii)
C.
(ii), (iii) and (iv)
D.
(i) and (iv)
Answer :
(i), (iii) and (iv)
Releted MCQ Question on Zoology >> Neural Control and Coordination
Releted Question 1
Which of the following structures or regions is incorrectly paired with its functions?
A.
Medulla oblongata : controls respiration and cardiovascular reflexes
B.
Limbic system : consists of fibre tracts that interconnect different regions of brain; controls movement
C.
Corpus callosum : band of fibers connecting left and right cerebral hemispheres
D.
Hypothalamus : production of releasing hormones and regulation of temperature, hunger and thirst