NEURAL CONTROL AND COORDINATION Set 7

All skin receptors are encapsulated ✘ The receptive fields of touch receptors are uniform in area ✘ The nociceptors of the skin are bare nerve endings ✘ All sensory information from the skin reaches the brain the dorsal column pathway ✔ NULL ✔ NULL NULL

Medullated nerve fibre ✘ Non- medullated nerve fibre ✘ Both (a) and (b) ✘ None of the above ✔ NULL ✔ NULL NULL

Active during day ✘ Possess colour vision ✘ Active during night ✘ Both (a) and (a) are possible ✔ NULL ✔ NULL NULL

Cytoplasm ✘ Cell organelles ✘ Granular bodies ✘ All of these ✔ NULL ✔ NULL NULL

Synapse ✘ Synapsis ✘ Desmosome ✘ Tight junction ✔ NULL ✔ NULL NULL

Always inhibitory ✘ Always excitatory ✘ May be excitatory or inhibitory ✘ Neither excitatory nor inhibitory ✔ NULL ✔ NULL NULL

II ✘ III ✘ VII ✘ VI ✔ NULL ✔ NULL NULL

27 pairs ✘ 31 pairs ✘ 37 pairs ✘ 47 pairs ✔ NULL ✔ NULL NULL

Ependymal cells ✘ Microglia ✘ Astrocytes ✘ Oligodendrocytes ✔ NULL ✔ NULL NULL

Glycine ✘ GABA ✘ Norepinephrine ✘ Both (a) and (b) ✔ NULL ✔ NULL NULL