Multiple Choice QuestionsWhich of the following is impermeable to water?
Vertical limb of loop of Henle
Descending limb of loop of Henle
Ascending limb of loop of Henle
Both 'a' and 'b'
Human brain has greater development of
cerebrum
cerebellum
optic lobes
medulla oblongata
A.
cerebrum
Cerebrum is the most prominent and developed region of the brain in humans. It is the site of functions as vision, hearing, touch, smell, voluntary muscle activity, speech and memory.
The cerebellum receives information from the sensory systems, the spinal cord, and other parts of the brain and then regulates motor movements. It coordinates voluntary movements such as posture, balance, coordination and speech.
Optic lobe function is to process and integrate incoming optical data from the eyes, detecting visual information like shapes and movements.
Medulla oblongata process information to and from the spinal cord and the cerebellum. It helps regulate breathing, heart and blood vessel function, digestion, sneezing and swallowing.
Which of the following part of human brain is associated with integration of sympathetic and parasympathetic activities ?
Cerebrum
Neopallium
Hypothalamus
Medulla oblongata
The unidirectional transmission of a nerve impulse through nerve fibre is due to :
neurotransmitters are released by axon endings
neurotransmitters which are released by dendrites
nerve fibre which is insulated by a medullary sheath
sodium pump which starts operating into the nerve fibre
The Largest quantity of air that can be expired, after maximal inspiration, is called :
tidal volume
vital capacity
residual volume
total lung volume
In the myopia eye defect, the rays of light :
do not enter the eye at all
meet at a focus in front of the retina
come to a focus at back of retina
come to a focus in between retina and iris
Sensory receptor of warmth located principally at the tip of fingers is known as :
Weber's organ
organ of Giraldes
Ruffini's corpuscles
organ of Zuckerkandl
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