NEURAL CONTROL & COORDINATION Q BANK
NEURAL CONTROL & COORDINATION Q BANK Question and answer based on strictly latest NCERT based pattern, and previous year NEET (AIPMT) question. chapter wise approach mcq is more useful for quick revision and increase speed for maintaining time period.
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MCQ:-
Q1) Receptor sites for neurotransmitters are present on (NEET 2017)
Membrances of synaptic vesicles
Pre-synaptic membrane
Tips of axons
Post-synaptic membrane
Answer- Post-synaptic membrane
Q2) Myelin sheath is produced by (NEET 2017)
Schwann cells & Oligodendrocytes
Astrocytes & Schwann cells
Oligodendrocytes & Osteoclasts
Osteoclasts & Astrocytes
Answer- Schwann cells & Oligodendrocytes
Q3) Photosensitive compound in human eye is made up of (NEET 2016, PHASE I)
Opsin & retinal
Opsin & retinol
Transduction & retinene
Guanosine & retinol
Answer- Opsin & retinal
Q4) Choose the correct statement. (NEET 2016, PHASE II)
Nociceptors respond to changes in pressure
Meissner’s corpuscles are thermoreceptors
Photoreceptors in the human eye are depolarised during darkness & become hyperpolarised in response to the light stimulus
Receptors do not produce graded potentials
Answer- Photoreceptors in the human eye are depolarised during darkness & become hyperpolarised in response to the light stimulus
Q5) Destruction of the anterior horn cells of the spinal cord would result in loss of (CBSE AIPMT 2015)
Sensory impulses
Voluntary motor impulses
Commissural impulses
Integrating impulses
Answer- Voluntary motor impulses
Q6) In mammalian eye, the ‘fovea’ is the center of the visual field, where (CBSE AIPMT 2015)
High density of cones occur, but has no rods
The optic nerve leaves the eye
Only rods are present
More rods than cones are found
Answer- High density of cones occur, but has no rods
Q7) How do parasympathetic neural signals affect the working of the heart? (CBSE AIPMT 2014)
Reduce both heart rate & cardiac output
Heart rate is increased without affecting the cardiac output
Both heart rate & cardiac output increase
Heart rate decreases but cardiac output increases
Answer- Reduce both heart rate & cardiac output
Q8) Stimulation of a muscle fibre by a motor neuron occurs at (CBSE AIPMT 2014)
The neuromuscular junction
The transverse tubules
The myofibril
The sarcoplasmic reticulum
Answer- The neuromuscular junction
Q9) Which one of the following statements is not correct? (CBSE AIPMT 2014)
Retinal is the light absorbing portion of visual photopigments
In retina the rods have the photopigment rhodopsin, while cones have three different photopigments
Retinal is a derivative of vitamin-C
Rhodopsin is the purplish red protein present in rods only
Answer- Retinal is a derivative of vitamin-C
Q10) Injury localised to the hypothalamus would most likely disrupt (CBSE AIPMT 2014)
Short term memory
Co-ordination during locomotion
Executive function, such as decision making
Regulation of body temperature
Answer- Regulation of body temperature
Q11) A diagram showing axon terminal & synapse is given. Identify correctly at least two of A-D(NEET 2013)
A- Receptor, C- Synaptic vesicles
B- Synaptic connection, D- K⁺
A- Neurotransmitter, B- Synaptic cleft
C- Neurotransmitter, D- Ca²⁺
Answer- A- Receptor, C- Synaptic vesicles
Q12) Parts A, B, C & D of the human eye are shown in the diagram. Select the option, which gives correct identification along with its functions/characteristics (NEET 2013)
A- Retina- contains photoreceptors-rods & cones
B- Blind spot- has only a few rods & cones
C- Aqueous chamber- reflects the light, which does not pass through the lens
D- Choroiditis anterior part forms ciliary body
Answer- A- Retina- contains photoreceptors-rods & cones
Q13) The human hindbrain comprises three parts, one of which is (CBSE AIPMT 2012)
Spinal cord
Corpus callosum
Cerebellum
Hypothalamus
Answer- Cerebellum
Q14) Which part of the human ear plays no role in hearing as such but is otherwise very much required? (CBSE AIPMT 2012)
Eustachian tube
Organ of Corti
Vestibular apparatus
Ear ossicles
Answer- Vestibular apparatus
Q15) The purplish red pigment rhodopsin contained in the rods type of photoreceptor cells of the human eyes is a derivative of (CBSE AIPMT 2011)
Vitamin-C
Vitamin-D
Vitamin-A
Vitamin-B
Answer- Vitamin- A
Q16) When a neuron is in resting state i.e. not conducting any impulse, the axonal membrane is (CBSE AIPMT 2011)
Equally permeable to both Na⁺ & K⁺ ions
Impermeable to both Na⁺ & K⁺ ions
Comparatively more permeable to K⁺ ions & nearly impermeable to Na⁺ ions
Comparatively more permeable to Na⁺ ions & nearly impermeable to K⁺ ions
Answer- Comparatively more permeable to K⁺ions & nearly impermeable to Na⁺ ions
Q17) The nerve centres which control the body temperature & the urge for eating are contained in (CBSE AIPMT 2010)
Hypothalamus
Pons
Cerebellum
Thalamus
Answer- Hypothalamus
Q18) Which part of the human brain is concerned with the regulation of body temperature? (CBSE AIPMT 2009)
Medulla oblongata
Cerebellum
Cerebrum
Hypothalamus
Answer- Hypothalamus
Q19) Cornea transplant in human is almost never rejected. This is because (CBSE AIPMT 2008)
Its cells are least penetrable by bacteria
It has no blood supply
It is composed of enucleated cells
It is a non-living layer
Answer- It has no blood supply
Q20) Given below is a diagrammatic cross section of a single loop of human cochlea (CBSE AIPMT 2008)
Which one of the following options correctly represents the names of three different parts?
B- Tectorial membrane, C- Perilymph, D- Secretory cells
C- Endolymph, D- Sensory hair cells, A- Serum
D- Sensory hair cells, A- Endolymph, B- Tectorial membrane
A- Perilymph, B- Tectorial membrane, C- Endolymph
Answer- A- Perilymph, B- Tectorial membrane, C- Endolymph
Q21) Which one of the following is the correct difference between rod cells & cone cells pf our retina? (CBSE AIPMT 2008)
Rod cells Cone cells
- Visual acuity High Low
- Visual pigment Iodopsin Rhodopsin
Contained
- Overall vision in colour vision &
Function poor light detailed vision in
Bright light
- Distribution More Evenly
Concentrated in distributed all
Centre of retina over retina
Answer- Visual acuity High Low
Q22) During the propagation of a nerve impulse, the action potential results from the movement of (CBSE AIPMT 2008)
K⁺ ions from extracellular fluid to intracellular fluid
Na⁺ ions from intracellular fluid to extracellular fluid
K⁺ions from intracellular fluid to extracellular fluid
Na⁺ ions from extracellular fluid to intracellular fluid
Answer- K⁺ ions from extracellular fluid to intracellular fluid
Q23) During the transmission of nerve impulse through a nerve fibre, the potential on the inner side of the plasma membrane has which type of electric charge? (CBSE AIPMT 2007)
First negative, then positive & again back to negative
First positive, then negative & continue to be negative
First negative, then positive & continue to be positive
First positive, then negative & again back to positive
Answer- First negative, then positive & again back to negative
Q24) Bowman’s glands are located in the (CBSE AIPMT 2007)
Proximal end of uriniferous tubules
Anterior pituitary
Femake reproductive system of cockroach
Olfactory epithelium of our nose
Answer- Olfactory epithelium of our nose
Q25) Which one of the following pairs of structures distinguishes a nerve cell from other types of cell? (CBSE AIPMT 2007)
Perikaryon & dendrites
Vacuoles & fibres
Flagellum & medullary sheath
Nucleus & mitochondria
Answer- Perikaryon & dendrites
Q26) Which one of the following statements is correct? (CBSE AIPMT 2006)
Neurons regulate endocrine activity, but not vice versa
Endocrine glands regulate neural activity & nervous system regulates endocrine glands
Neither hormones control neural activity nor the neurons control endocrine activity
Endocrine glands regulate neural activity, nor the neurons control endocrine activity
Endocrine glands regulate neural activity, but not vice versa
Answer- Neurons regulate endocrine activity, but not vice versa
Q27) Which one of the following do not act as a neurotransmitter? (CBSE AIPMT 2006)
Acetylcholine
Epinephrine
Norepinephrine
Cortisone
Answer- Cortisone
Q28) In a man, abducens nerve is injured. Which one of the following functions will be affected? (CBSE AIPMT 2005)
Movement of the eye ball
Swallowing
Movement of the tongue
Movement of the neck
Answer- Movement of the eye ball
Q29) One of the examples of the action of the autonomous nervous system is (CBSE AIPMT 2005)
Knee-jerk response
Pupillary reflex
Swallowing of food
Peristalsis of the intestine
Answer- Peristalasis of the intestine
Q30) Parkinson’s disease (characterised by tremors & progressive rigidity of limbs) is caused by degeneration of brain neurons that are involved in movement control & make one of neurotransmitter (CBSE AIPMT 2005)
Acetylcholine
Norepinephrine
Dopamine
GABA
Answer- Dopamine
Q31) Four healthy people in their twenties got involved in injuries resulting in damage & death of a few cells of the following. Which of the cells are least likely to be replaced by new cells? (CBSE AIPMT 2005)
Osteocytes
Malphighian layer of the skin
Liver cells
Neurons
Answer- Neurons
Q32) Injury to vagus nerve in human is not likely to affect (CBSE AIPMT 2004)
Tongue movements
Gastrointestinal movements
Pancreatic secretion
Cardiac movements
Answer- Tongue movements
Q33) In the resting state of the neural membrane, diffusion due to concentration gradients, if allowed, would drive(CBSE AIPMT 2004)
K⁺ into the cell
K⁺ & Na⁺ out of the cell
Na⁺ into the cell
Na⁺ out of the cell
Answer- Na⁺ into the cell
Q34) What used to be described as Nissl’s granules in a nerve cell are now identified as (CBSE AIPMT 2003)
Ribosomes
Mitochondria
Cell metabolities
Fat granules
Answer- Ribosomes
Q35) Which of the following statements is correct about node of Ranvier? (CBSE AIPMT 2002)
Axolemma is discontinuous
Myelin sheath is discontinuous
Both neurilemma & myelin sheath are discontinuous
Covered by myelin sheath
Answer- Myelin sheath is discontinuous
Q36) In which animal nerve cell is present but brain is absent? (CBSE AIPMT 2002)
Sponge
Earthworm
Cockroach
Hydra
Answer- Hydra
Q37) What is the intensity of sound in normal conversation?(CBSE AIPMT 2001)
10-20dB
35-60dB
70-90dB
120-150dB
Answer- 35-60dB
Q38) Characteristic feature of human cornea is that(CBSE AIPMT 2001)
It is secreted by conjunctiva & glandular tissue
It is lacrimal gland which secretes tears
Blood circulation is absent in cornea
In old age it become hard & white layer deposits on it which causes the cataract
Answer- Blood circulation is absent in cornea
Q39) When we migrate from dark to light, we fail to see for sometime but after a time visibility becomes normal. It is an example of (CBSE AIPMT 2001)
Accommodation
Adaptation
Mutation
Photoperiodism
Answer- Adaptation
Q40) An action potential in the nerve fibre is produced when positive & negative charges on the outside & the inside of the axon membrane are reversed, because (CBSE AIPMT 2000)
More potassium ions enter the axon as compared to sodium ions leaving it
More sodium ions enters the axon as compared to potassium ions leaving it
All potassium ions leave the axon
All sodium ions enter the axon
Answer- More sodium ions enters the axon as compared to potassium ions leaving it
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