Low intensity of light during night hours is detected by:
A.Cones
B.Rods
C.Both of these
D.None of these
A.Cones
B.Rods
C.Both of these
D.None of these
A.Scala vestibuli
B.Scala tympani
C.Both of these
D.None of these
A.They have large eyes
B.They have reduced nasal part
C.They have highly evolved motor understanding of visual sensations
D.None of these reasons
A.Anterior part of tongue
B.Posterior part of tongue
C.Lateral side of tongue
D.None of these
A.Only rods in retina
B.Only cones in retina
C.Having both rods and cones in retina
D.Having none of these
A.Carry impulses from environment to brain
B.Carry impulses from brain to effectors organs
C.Control the environmental conditions of the animal
D.Carry none of the above functions
A.Utriculus
B.Sacculus
C.Cochlea
D.Tympanum
A.Filiform
B.Fungiform
C.Foliate
D.Cicumvallate
A.Rods are important for vision in bright light and cones in dim light
B.Rods are important for vision in dim light and cones in bright light
C.Rods are involved in colour vision and cones in distinguishing intensities of light
D.Both are important for vision in dim light
A.Heat
B.Chemicals
C.Touch
D.Smell