MDCAT BIOLOGY MCQs Chapter Wise
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UHS Mdcat Biology Mcqs chapter wise:
Human nervous system is a type of ___________ nervous system
Diffused (c) central
centralized (d) central & Peripheral
Which one of following system dominantes during times of rest and
rumination.
(a) sympathetic (c)
Somatic
(b) Parasympathetic (d) Autonomic
The limbic system consists of
Thalamus, Hypothalamus, Amygdala
(c) Thalamus, Hippacampus, Amygdala
(b) Thalamus, Hypothalamus, hippocampus
(d) Hypothalamus, Amygdala, hippocampus
Peripheral nervous system comprises of
(a) Brain & spinal cord
(c) spinal cord & motor neurons
(b) Brain & sensory neurons
(d) Sensory and motor neurons
Main type/types of cytoplasmic processes of neurons
(a) one (c) three
(b) two (d) four
The principal effectors are
(a) Brain & spinal cord
(c) Glands & muscles
(b) Gland & neurons
(d) muscles & neurons
Parkinson’s disease is believed to be caused by cell death in a
brain area that produces
(a) GDNF (c) Aluminium
(b) Alcohol (d) Dopamine
Electroencephalography is the most important test in the study of
(a) Epilepsy
(c) Alzheimer’s disease
(b) Parkinson’s disease
(d) Epilepsy & Parkinson’s disease
In living things, the ___________ activities occur at regular
intervals which are called Biorhythms
(a) Environmental
(c) Developmental
(b) Growth
(d) Behaviour
Meninge provide protection to
(a) Brain
(c) The brain & spinal cord
(b) Spinal cord
(d) The cerebrospinal fluid
In a cross section, the spinal cord shows an inner butterfly
shaped
(a) central canal
(c) Grey matter
(b) white matter
(d) Dorsal root
Ganglia are the concentrations of
(a) cell bodies of neurons
(c) Dendrites
(b) Axons
(d) Axons or dendrites
The sympathetic and parasympathetic system utilize _________
neurons and _______ ganglion for each impulse
(a) one, two
(c) two , many
(b) two, one
(d) many, two
Motor neurons are ___________ myelinated.
(a) not
(c) Frequently
(b) always
(d) less
The smaller fibres which carry impulse towards cell body are
called
(a) Dendron
(c) Axons
(b) Dendrites
(d) Neurogila
The Hormone polypeptide in nature
(a) oxytocin
(c) Thyroxine
(b) Oestrogen
(d) Insuline
Many of the sensory stimuli of nervous system are converted into
hormonal responses at
(a) Cerebellum
(c) Thalamus
(b) Medulla
(d) Hypothalamus
The pituitary gland is an ovoid structure about ________ gm in
adult
(a) 0.5
(c) 5.0
(b) 0.1 (d) 1.0
Progesterone is produced by the ruptured follicle in response to
(a) FSH from ovary
(c) LH from ovary
(b) FSH from pituitary
(d) LH from pituitary
A major constituent of birth control pill is
(a) oxytocin
(c) progesterone
(b) MSH
(d) Oestrogen
The hormone produced under the influence of protein food in the
stomach after it is partially digested
(a) gastric juice
(c) Pepsinogen
(b) Gastrin
(d) Secretin
Adrenal medulla of adrenal gland secretes
(a) Cortisol
(c) Aldosterone
(b) Epinephrine
(d) Androgens
___________ is the glucocorticoid, and bring about an increase in
blood glucose level
(a) Cortisol
(c) Aldosterone
(b) Epinephrine
(d) Androgens
_________ cause development of the secondary male characteristics
(a) Cortisol
(c) Aldosterone
(b) Epinephrine
(d) Androgens
The islets of langerhans contain β-cells associated with
(a) STH
(c) Insulin
(b) ACTH
(d) Glucagon
The rate of breakdow of fat to increase glucose level in blood is
caused by
(a) STH
(c) Insulin
(b) ACTH
(d) Glucagon
Excess _________ is secreted in Addison’s disease
(a) Cortiel hormone
(c) MSH
(b) Androgens
(d) Vasopressin
Release of corticotrophin releasing factor from the hypothalamus
is controlled by ________ level
(a) Thyroxine
(c) Steroid
(b) Protein
(d) ACTH
A lack of __________ hormone produces diabetes insipidus
(a) Insulin
(c) oxytocin
(b) Glucagon
(d) ADH
The important link between nervous system & endocrine system.
(a) Cerebellum
(c) Thalamus
(b) Medulla
(d) Hypothalamus
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