PSEB Class 11 Biology On Central Nervous System Multiple Choice Questions

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PSEB Class 11 Biology On Central Nervous System Multiple Choice Questions

Question 1. During the Development Of Action Potential In A Nerve Fibre, Positive And Nfor Exampleative Charges On the Outer And Inner sides of the Axon Membrane Are Reversed Due To :

  1. Exteusion Of All K+ Ions
  2. More K+ Ions Enter Than Na+ Ions Leave The Axon
  3. More Na+ Ions Enter The Axon Than K+ Ions Leave The Same
  4. All Na+ Ions Enter The Axon.

Answer: 3. More Na+ Ions Enter The Axon Than K+ Ions Leave The Same

Question 2. Broca Area And Wernicke Centre Of Association Area Occur In Cerebrum. They Are Connected With :

  1. Memory
  2. Voluntary Action
  3. Blind Spot
  4. Both 1 And 2.

Answer: 4. Blind Spot

Question 3. Centre Of Thirst And Hunger Is Located In :

  1. Cerebrum
  2. Cerebellum
  3. Hypothalamus
  4. Medulla Oblongata.

Answer: 3. Hypothalamus

Read And Learn More Class 11 Biology MCQs

Question 4. Common Feature Amongst Acetylcholine, Noradrenaline And Serotonin Is :

  1. All Are Anticoagulants
  2. They Lower Blood Pressure
  3. They Raise Heart Beat
  4. All Are Neurotransmitters.

Answer: 4. All Are Neurotransmitters.

PSEB Class 11 Biology On Central Nervous System Multiple Choice Questions

Question 5. At the Resting Stage Nerve Cell Have:

  1. Low K+ Outside And High Na+ Inside
  2. High K+ Inside And High Na+ Outside
  3. High K+ Inside And Low Na+ Outside.
  4. High K+ Outside And Low Na+ Inside

Answer: 2. High K+ Inside And High Na+ Outside

Question 6. Nerve Axon Takes Part In :

  1. Receiving Impulse
  2. Transformation Of Energy
  3. Conducting Of Impulse
  4. Providing Energy For Impulse Transmission.

Answer: 3. Conducting Of Impulse

Question 7. Venom Of Cobra Affects:

  1. Respiratory System
  2. Nervous System
  3. Circulatory System
  4. Digestive System.

Answer: 2. Nervous System

Question 8. Refractory Period Is During :

  1. Depolarization
  2. Repolarization
  3. Polarization
  4. Both 1 And 2.

Answer: 4. Both 1 And 2.

PSEB Class 11 Biology Central Nervous System MCQs

Question 9. Node Of Ranvier Is The Place Where :

  1. Myelm Sheath Is Discontinuous
  2. Myelin Sheath And Neurilemma Are Discontinuous
  3. Axolemma Is Absent
  4. Axolemma Is Discontinuous.

Answer: 1. Myelm Sheath Is Discontinuous

Question 10. In The Diagram Of the Section Of the Brain Given Below, Different Parts Are Indicated By Alphabet. Choose The Answer In Which These Alphabets Have Been Correctly Matched With The Parts These Indicate :

 

Nervous System In The Diagram Section Of Brain Question 10.

  1. 1 = Cerebral Hemisphere, 2 = Corpus Callosum, 3 = Thalamus, 4 = Pineal Gland, 5 = Cerebellum, 6 = Pituitary, 7 = Medulla Oblongata.
  2. 1 = Cerebral Hemisphere, 2 = Thalamus, 3 = Corpus Callosum, 4 = Pineal Gland, 5 = Pituitary, 6 = Medulla Oblongata, 7 = Cerebellum.
  3. 1 = Corpus Callosum, 2 = Cerebral Hemisphere, 3 = Pituitary, 4 = Pineal Gland, 5 = Thalamus.
  4. 1 = Cerebral Hemisphere, 2 = Corpus Callosum, 3 = Thalamus, 4 = Pineal Gland, 5 =Pituitary, 6 = Cerebellum, 7 = Medulla Oblongata.

Answer: 4. 1 = Cerebral Hemisphere, 2 = Corpus Callosum, 3 = Thalamus, 4 = Pineal Gland, 5 =Pituitary, 6 = Cerebellum, 7 = Medulla Oblongata.

Question 11. In The Diagram Of T.S. Of The Spinal Cord Given Below, Certain Parts Have Been Indicated By Alphabet. Choose The Answer In Which These Alphabets Have Been Correctly Matched With The Parts Of Which They Indicate :

Nervous System In The Diagram Of T.S Of The Spinal Cord Question 11.

  1. L = Dorsal Septum, 2 = Dorsal Horn, 3 S Grey Matter, 4 = Central Cavity, 5 = White Matter, 6 =Ventral Hom, 7 = Ventral Root, 8 = Dorsal Root And Ganglion ,
  2. 1 = Dorsal Septum, 2 = Dorsal Hom, 3 = Central Cavity, 4 Grey Matter, 5 = Ventral Hom, 6 =White Matter, 7 = Dorsal Root And Ganglion,
  3. 1 = Dorsal Septum, 2i Dorsal Hom, 3 = Grey Matter, 4 =White Matter, 5 = Central Cavity, 6 =Ventral Root, 7 = Dorsal Root And Ganglion
  4. 1 = Dorsal Septum, 2 = Dorsal Hom, 3 = Central Cavity, 4 =Grey Matter, 5 = Ventral Hom, 6 =White Matter, 7 = Dorsal Root And Ganglion 8 = Ventral Root ‘

Answer: 1. L = Dorsal Septum, 2 = Dorsal Horn, 3 S Grey Matter, 4 = Central Cavity, 5 = White Matter, 6 =Ventral Hom, 7 = Ventral Root, 8 = Dorsal Root And Ganglion

Question 12. Which Of The Following Cranial Nerve Controls The Movement Of Eye Ball?

  1. Oculomotor
  2. Optic
  3. Ophthalmic
  4. Trochlear.

Answer: 1. Oculomotor

Question 13. Which Of The Following Is a part Of the Human Brain?

  1. Corpora Bigemina
  2. Corpora Allata
  3. Corpora Adiposa 1
  4. Corpora Quadrigemina.

Answer: 4. Corpora Quadrigemina

Question 14. A Bipolar Neuron Has :

  1. Two Dendrites And One Oxon
  2. One Oxon And One Dendrite
  3. Two Axons And One Dendrite
  4. Two Axons And Two Dendrites.

Answer: 2. One Oxon And One Dendrite

Question 15. These Processes Occur During Repolarization Of Nerve Fibre :

A. Open Na+ Channel

B. Close Na+ Channel

C. Close K+ Channel

D. Open K+ Channel.

  1. B And C
  2. A And C
  3. B And D
  4. A And B.

Answer: 3. B And D

Question 16. Which Of the following Ctamal Naves Are Mixed :

A.  Vagus

B. Trigeminal

C. Glosxopbanngeal

D. Amhtoiy.

Answer Codes :

  1. A, B, And C Are Correct
  2. B And D Are Correct
  3. A And C Are Correct
  4. A And B Are Correct.

Answer: 1. A, B, And C Are Correct

PSEB Class 11 Biology Central Nervous System MCQs

Question 17. Touch On The Right Side Stimulate Neurons On :

  1. Right Somatic Sensory Area
  2. Right Somatic Motor Area
  3. Left Somatic Sensory Area
  4. Both 1 And 3

Answer: 3. Left Somatic Sensory Area

Question 18. Respiratory Centre Of Brain Is Sensitised By :

  1. More Blood To Brain
  2. More Blood In The Lungs
  3. More Co2 Cone, In The Blood
  4. More O2 Cone, In The Blood.

Answer: 3. More Co2 Cone, In The Blood

Question 19. The Point In Eye Of Mammals From Which Optic Nerves And Blood Vessels Leaves The Eye Ball Is :

  1. Yellow Spot
  2. Blind Spot
  3. Pars Optica
  4. None Of These.

Answer: 2. Blind Spot

Question 20. The Primary Visual Area Is Located In :

  1. Frontal Lobe
  2. Parietal Lobe
  3. Temporal Lobe
  4. Occipital Lobe.

Answer: 4. Occipital Lobe

Question 21. Choroid Plexus Is A Network Of :

  1. Nerves
  2. Lymph Vessels
  3. Capillaries
  4. Muscle Fibres.

Answer: 3. Capillaries

Question 22. In The Resting State Of The Neural Membrane, Diffusion Due To Concentration Gradients, If Allowed, Would Drive :

  1. K+ Into The Cell
  2. K+ And Na+ Out Of The Cell
  3. Na+ Into The Cell
  4. Na+ Out Of The Cell.

Answer: 3. Na+ Into The Cell

Question 23. Injury To Vagus Nerve In Humans Is Not Likely To Affect:

  1. Tongue Movements
  2. Gastrointestinal Movements
  3. Pancreatic Secretion
  4. Cardiac Movements.

Answer: 1. Tongue Movements

Question 24. Unidirectional Transmission Of A Nerve Impulse Through Nerve Fibre Is Because:

  1. Nerve Fibre Is Insulated By A Medullary Sheath
  2. Sodium Pump Starts Operating Only At The Cyton And Then Continues Into The Nerve Fibre
  3. Neurotransmitters Are Released By Dendrites And Not By Axon Endings
  4. Neurotransmitters Are Released By The Axon Endings And Not By Dendrites.

Answer: 4. Neurotransmitters Are Released By The Axon Endings And Not By Dendrites.

Question 25. Which Of The Following Is Mixed Nerve?

  1. Glossopharyngeal
  2. Trochlear
  3. Hypoglossal
  4. Oculomotor.

Answer: 1. Glossopharyngeal

Question 26. Four Healthy People In Their Twenties Got Involved In Injuries Resulting In Damage And Death Of A Few Cells Of The Following. Which Of The Cells Are Least Likely To Be Replaced By New Cells?

  1. Ostcocyles
  2. Malpighian Layer Of The Skin
  3. Liver Cells
  4. Neurons.

Answer: 4. Neurons

Question 27. One Of The example of The Action Of The Autonomous Nervous System Is :

  1. Knee-Jerk Response
  2. Pupillary Reflex
  3. Swallowing Of Inod
  4. Peristalsis Of The Intestines.

Answer: 4. Peristalsis Of The Intestines.

Central Nervous System Multiple Choice Questions PSEB Class 11

Question 28. Parkinson’s Disease (Characterized By Tremors And Progressive Rigidity Of Limbs) Is Caused By the degeneration Of Brain Neurons That Are Involved In Movement Control And Make Use Of Neurotransmitters:

  1. Acetylcholine
  2. Norepinephrine
  3. Dopamine
  4. Gaba

Answer: 3. Dopamine

Question 29. In A Man, Abducens Nerve Is Injured. Which One Of The Following Functions Will Be Affected?

  1. Movement Of The Eye Ball
  2. Movement Of The Tongue
  3. Swallowing
  4. Movement Of The Neck.

Answer: 1. Movement Of The Eye Ball

Question 30. You Are Watching A Horror Movie And You Notice Your Heart Is Beating Fast And Mouth Is Dry. It Is Because Of

  1. Fight And Flight Response
  2. Sympathetic Nervous System
  3. Parasympathetic Nervous System
  4. Both 1 And 3

Answer: 4. Both 1 And 3

Question 31. Reflex Action Is Controlled By :

  1. Sympathetic Nervous System
  2. Automatic Nervous System
  3. Spinal Cord
  4. Craniosacral Outflow.

Answer: 3. Spinal Cord

Question 32. Tree Of Life Is :

  1. Arbor Vitae
  2. Pons Varolii
  3. Organ Of Corti
  4. Diencephalon.

Answer: 1. Arbor Vitae

Question 33. Arbor Vitae Is Part Of:

  1. Cerebrum
  2. Cerebellum
  3. Mid Brain
  4. Fore Brain.

Answer: 2. Cerebellum

Question 34. Which Has H – H-Shaped Grey Matter?

  1. Cerebrum
  2. Medulla Oblongata
  3. Cerebellum
  4. Spinal Cord

Answer: 4. Spinal Cord

Central Nervous System Multiple Choice Questions PSEB Class 11

Question 35. Find Out The Correct Answer From The Following Statements. The Main Functions Of The Cerebrum Of the Human Brain Are

A. To Control The Contraction Of Voluntary Muscles Through The Frontal Lobe

B. To Control The Sensitivity, Movement, Memory, Vocabulary Etc. Through The Frontal Lobe

C. To Control The Temperature, Taste, Touch, Pain Etc, Through The Parietal Lobe

D. To Control The Vision And Adaptation Through The Occipital And Frontal Lobes.

Choose The Correct Answer.

  1. A, B, D
  2. C, D, A
  3. A, B, C
  4. B, C, D.

Answer: 1. A, B, D

Question 36. A Diagram Showing the Axon Terminal And Synapse Is Given. Identify Correctly At Least Two Of A-D.

Nervous System In The Diagram Showing Axon Terminal And Synapse Is Given Question 36.

  1. B – Synaptic Connection D – K+
  2. C – Neurtransmitter D – Ca++
  3. A – Neurotransmitter B – Synaptic Cleft
  4. A – Receptor C – Synaptic Vesicles.

Answer: 4. A – Receptor C – Synaptic Vesicles.

Question 37. In Parasympathetic Nervous System Which Of The Following Is Released?

  1. Epinephrine
  2. Nor Epinephrine
  3. Serotonin
  4. Acetylcholine.

Answer: 4. Acetylcholine.

Question 38. Column I Lists The Parts Of The Human Brain And Column Ii Lists The Functions. Match The Two Columns And Identify The Correct Choice From Those Given.

Nervous System Column 1 Lists The Parts Of Human Brain And Column 2 Lists The Function. Question 38

  1. A = T;  B = S ;  C = Q ;  D = P
  2. A = S ; B = T   C = R     D = P
  3. A = T;  B = S ; C = R ;   D = Q
  4. A = S, B = T;  C = P,   D = Q.

Answer: 4. A = S , B = T;  C = P ,   D = Q.

Question 39. Hypothalamus Does Not Control :

  1. Hunger And Satiety
  2. Thermoregulation
  3. Creative Thinking And Consciousness
  4. Osmoregulation.

Answer: 3. Creative Thinking And Consciousness

PSEB Class 11 Biology Chapter CNS MCQs

Question 40. Match The Following Human Spinal Nerves In Column 1 With The Number Of Pairs In Column 2 and Choose The Correct Options.

Nervous System Match The Following Question 40

  1. A – 2, B – 4, C – L,  D-3
  2. A – A, B – 3, C – 1   D -2
  3. A – 3, B – 3  C – 2,  D- A
  4. A – 4, B – 1, C – 2,  D – 3.

Answer: 2. A – A, B – 3, C – 1   D -2

Question 41. The Brachial Plexus Are Formed By These Spinal Nerves:

  1. IV, V, Vi Cervical
  2. V, Vi, Vii, Viii Cervical And Thoracic
  3. IV To Vh Lumbar
  4. First Three Sacral.

Answer: 2. V, Vi, Vii, Viii Cervical And Thoracic

Question 42. Which One Of The Following Does Not Act As A Neurotransmitter?

  1. Epinephrine
  2. Norepinephrine
  3. Cortisone
  4. Acetylcholine.

Answer: 3. Cortisone

Question 43. In The Given Diagram Which Stage Of Conduction Of Nerve Impulse Through Nerve Fibre Is Observed?

Nervous System In The Given Diagram Question 43.

  1. Polarization
  2. Resting Potential
  3. Repolarization
  4. Depolarization.

Answer: 2. Resting Potential

Question 44. How Many Pairs Of Spinal Nerves Are Found In Humans?

  1. 32
  2. 31
  3. 30
  4. 33.

Answer: 2. 31

Question 45. The Decoding And Interpretation Of Visual Information Is Carried Out By Which Part Of The Brain?

  1. Cerebellum
  2. Frontal Lobe
  3. Parietal Lobe
  4. Temporal Lobe
  5. Occipital Lobe.

Answer: 3. Temporal Lobe

Question 46. Match The Entries In Column I With Those In Column Ii And Choose The Correct Combination From The Options Given.

Nervous System Match The Entire Column 1And 2 Question 46.

  1. A-4,  B-3,  C-L,  D-2
  2. A-3,  B-4,  C-1   D-2
  3. A-4,  B-1,  C-2,  D-3
  4. A-1,  B-2,  C-3,  D-A
  5. A-4,  B-1,  C-2,  D-3.

Answer: 3. A-4,  B-1,  C-2,  D-3

Question 47. The Accumulation Of Protein Called Amyloid 3 Peptide In the Human Brain Causes :

  1. Addison’s Disease
  2. Huntington’s Disease
  3. Alzheimer’s Disease
  4. Motor-Neuron Disease
  5. Parkinson’s Disease.

Answer: 3. Alzheimer’s Disease

PSEB Class 11 Biology Chapter CNS MCQs

Question 48. A Typical Value Of Resting Membrane Potential Is :

  1. – 40 Mv
  2. – 60 Mv
  3. – 70 Mv
  4. – 80 Mv
  5. – 90 Mv.

Answer: 2. – 60 Mv

Question 49. Given Below Is A Table Comparing The Effects Of Sympathetic And Parasympathetic Nervous System For Four Features (1-4). Which One Feature Is Correctly Described?

Nervous System Given Below Is A Table Comparing Question 49

Answer: 2. Pupil Of The Eye – Dilate – Constricts

Question 50. Bowman’s Glands Are Located In The :

  1. Anterior Pituitary
  2. Female Reproductive System Of Cockroach
  3. Olfactory Epithelium Of Our Nose
  4. Proximal End Of Uriniferous Tubules.

Answer: 3. Olfactory Epithelium Of Our Nose

Question 51. 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?

  1. First Positive, Then Negative, And Continue To Be Negative
  2. First Negative, Theh ‘Positive And Continue To Be Positive
  3. First Positive, Then Negative, And Again Back To Positive
  4. First Negative, Then Positive, And Again Back To Negative

Answer: 4. First Negative, Then Positive, And Again Back To Negative

Question 52. During The Propagation Of A Nerve Impulse, The Action Potential Results From The Movement Of :

  1. K+ Ions From Intracellular Fluid To Extracellular Fluid
  2. Na+ Ions From Extracellular Fluid To Intracellular Fluid
  3. K+ Ions From Extracellular Fluid To Extracellular Fluid
  4. Na+ Ions From Intracellular Fluid To Extracellular Fluid.

Answer: 2. Na+ Ions From Extracellular Fluid To Intracellular Fluid

Question 53. The Potential Maintained Across The Neuron Membrane During The Resting State Is :

  1. + 70 Mv
  2. – 70 Mv
  3. 0.5 V
  4. – 30 Mv
  5. + 30 Mv

Answer: 2. – 70 Mv

Question 54. A Person Entering An Empty Room Suddenly Finds A Snake Right In Front On Opening The Door. Which One Of The Following Is Likely To Happen In His Neuro-Hormonal Control System?

  1. Neurotransmitters Diffuse Rapidly Across The Cleft And Transmit A Nerve Impulse.
  2. The Hypothalamus Activates The Parasympathetic Division Of the Brain.
  3. The sympathetic Nervous System Is Activated Releasing  Epinephrine And Norepinephrine From the Adrenal Cortex.
  4. The sympathetic Nervous System Is Activated Releasing Epinephrine And Norepinephrine From Adrenal Medulla.

Answer: 4. The Sympathetic Nervous System Is Activated Releasing Epinephrine And Norepinephrine From the Adrenal Medulla.

Question 55. The Human Hind Brain Comprises Three Parts, One Of Which Is :

  1. Corpus Callosum
  2. Cerebellum
  3. Hypothalamus
  4. Spinal Cord.

Answer: 2. Cerebellum

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