Q. No.Reflex action does not involve
(1) Conscious thought
(2) PNS
(3) Involuntary response
(4) Both B and C
(1) Conscious thought
(2) PNS
(3) Involuntary response
(4) Both B and C
The ……. receive signals from …….and transmit it via …….nerve root
(1) Afferent neurons, sensory organs, dorsal
(2) Afferent neurons, effector organs, ventral
(3) Efferent neurons, sensory organs, ventral
(4) Efferent neurons, effector organs, dorsal
Which of the following is a reflex action?
(1) Sudden withdrawal of body part, when it comes in contact of hot body
(2) Knee jerk reflex
(3) Controlling sleep pattern
(4) More than one options are correct.
Which of the following is not associated with sense organ nose?
(1) Nose contains mucus coated receptors which are specialised for receiving the sense of smell
(2) Olfactory epithelium with five kinds of cells
(3) Brain's limbic system's extensions are olfactory bulb
(4) Both B and C
The mucus coated receptors which are specialised for receiving the sense of smell are known as
(1) Olfactory receptors
(2) Gustatory receptors
(3) Optic receptor
(4) Touch receptor
Which of the following sense organs detect dissolved chemicals?
(1) Tongue
(2) Nose
(3) Ear
(4) Both 1 and 2
Which of the following two senses are functionally similar and interrelated?
(1) Optic sense and olfaction
(2) Auditory sense and optic sense
(3) Olfaction and Gustation
(4) Gustation and auditory
Which of the following is wrong about eyes?
1. An adult human eye ball is nearly a spherical structure
2. Our paired eyes are located in sockets of the skull called orbits
3. The wall of the eye ball is composed of three layers
4. The external layer is composed of loose connective tissue and is called sclera
Cornea is
(1) Anterior portion of choroid
(2) Anterior portion of sclera
(3) Posterior portion of sclera
(4) Anterior portion of retina
Which of the following is wrong about choroid?
(1) devoid of blood vessels
(2) Middle layer
(3) It looks bluish in color
(4) Forms ciliary body
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