Multiple Choice QuestionsThe human hind brain comprises three parts, one of which is
spinal cord
corpus callosum
Cerebellum
Cerebellum
Which part of the human ear plays no role in hearing as such but is otherwise very much required?
Eustachian tube
Organ of corti
Vestibular apparatus
Vestibular apparatus
How do parasympathetic neural signals affect the working of the heart?
Reduce both heart rate and cardiac output
heart rate is increased without affecting the cardiac output
Both heart rate and cardiac output increase
Both heart rate and cardiac output increase
Injury localised to the hypothalamus would most likely disrupt
short term memory
coordination during locomotion
executive function, such as decision making
executive function, such as decision making
Which one of the following statements is not correct?
Retinal is the light absorbing portion of visual photopigments
In retina, the rods have the photopigments rhodopsin, while cones have three different photopigments
Retinal is a derivative of vitamin -C
Retinal is a derivative of vitamin -C
The supportive skeletal structures in the human external ears and in the nose tip are examples of
ligament
areolar tissue
bone
bone
Which of the following regions of the brain is incorrectly paired with its function?
Medulla oblongata – homeostatic control
Cerebellum – language comprehension
Corpus callosum – communication between the left and right cerebral cortices
Corpus callosum – communication between the left and right cerebral cortices
A gymnast is able to balance his body upside down ever in the total darkness because of
cochlea
vestibular apparatus
tectorial membrane
tectorial membrane
B.
vestibular apparatus
Vestibular apparatus of membranous labyrinth is an intricate series of inter-connected and fluid-filled canals which regulates balance and spatial orientation in the absence of vision, the movement of body will be regulated only by vestibular apparatus.
The otolith organs (utricle and saccule) regulates linear acceleration and semicircular canals sense rotational acceleration in various directions.
The cochlea, tectorial membrane and organ of Corti are responsible for transduction of sound waves.
The purplish red pigment rhodopsin contained in the rods type of photoreceptor cells of the human eyes is a derivative of
Vitamin -C
Vitamin -D
Vitamin - A
Vitamin - A
|
Gland |
Secretion |
Effect on Body |
|
A |
Oestrogen |
Maintenance of secondary sexual characters |
|
Alpha cells of islets of Langerhans |
B |
Raise blood sugar level |
|
Anterior pi- tuitary |
C |
Over secretion leads to gigantism |
|
A |
B |
C |
|
Placenta |
Insulin |
Vasopressin |
|
A |
B |
C |
|
Ovary |
Insulin | Calcitonin |
|
A |
B |
C |
|
Placenta |
Glucagon |
Calcitonin |
|
A |
B |
C |
|
Placenta |
Glucagon |
Calcitonin |
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