Third ventricle of brain is also known as
metacoel
rhinocoel
paracoel
diacoel
Sensitive pigmented layer of eye is
cornea
retina
sclerotic
iris
Vagus nerve is
X
IX
VII
V
In the chemistry of vision in mammals, the photosensitive substance is called
sclerotin
retinal
rhodopsin
melanin
In humans, visceral organs are innervated by
sympathetic nerves and are under conscious control
parasympathetic nerves and are under conscious control
Both (a) and (b)
both sympathetic and parasympathetic nerves but are not under conscious control
In which animal nerve cell is present but brain is absent?
Sponge
Earthworm
Cockroach
Hydra
CNS is mostly made of
motor neurons and sensory neurons
sensory neurons and association neurons
association neurons
motor neurons and association neurons
Iris is part of
choroid/uvula
choroid and retina
sclerotic and choroid
The Nissl's granules of nerve cell are made on of
ribosomes
protein
DNA
RNA
Retina is most sensitive at
optic disc
periphery
macula lutea
fovea centralis