Mongolism occurs due to
A. An extra chromosome on pair 23
B. An extra chromosome on pair 21
C. An extra chromosome on pair 20
D. An extra Y chromosome
Answer: Option B
Related Questions on Physiological Basis of Behaviour
What is the lowest part of the brain stem?
A. Medulla oblongata
B. Pons
C. Cerebellum
D. None of the above
A. Broca's aphasia
B. Wernicke's aphasia
C. Both A and B
D. None of the above
. . . . . . . . lobe of the brain is specialized area for vision.
A. Temporal
B. Occipital
C. Frontol
D. Parietal
E. All of the above
Join The Discussion