NERVOUS SYSTEM

Detailed Study:

Brief Revision - Important Question Solving

https://www.youtube.com/watch?v=nMS5tDaws5g

Important Diagrams:

  • Structure of Neuron

  • Labeling of Brain

  • Reflex Pathway

Frequently Tested Topics

  • Diagram of neuron

  • Structure of neuron

  • Functions of different parts of brain

  • Reflex pathway

  • Synapse definition

  • Functions of sympathetic and parasympathetic nervous system

Important Past Questions


  • Rewrite the statement by correcting the underlined word:

i) Maintaining balance of the body and coordinating muscular activities is carried out by the cerebrum. (2019)

ii) The outermost layer of the meninges is pia mater. (2018)

iii) Gyri and Sulci are the folds of cerebellum. (2017)

  • Name the following

i) The cell body of a nerve cell. (2013)

ii) The part of the brain that carries impulses from hemisphere of the cerebellum to the other. (2016)

  • Give biological terms for:

i) Protective coverings located round the human brain and spinal cord. (2012)

ii) Inflammation of the meninges. (2010)

  • Identify the odd term and name the category to which the remaining three belong:

i) Axon, Dendron, Photon, Cyton (2019)

ii) Dendrites, Medullary sheath, axon, spinal cord (2018)

iii) Cerebrum, cerebellum, thalamus, hypothalamus (2012)

  • Choose the correct answer:

i) The number of spinal nerves in a human being are:

A] 31 pairs B] 10 pairs C] 21 pairs D] 30 pairs

(2018)

ii) Which of the following is mainly associated with the maintenance of the posture:

A] Cerebrum B] Cerebellum C] Thalamus D] Pons

(2015)

iii) The ventral root ganglion of the spinal cord contains cell bodies of the:

A] Motor neuron B] Sensory neuron C] Intermediate neuron D] Association neuron

(2013)

iv) A reflex arc in man is best described as movement of stimuli from:

A] Receptor cell, sensory neuron, relaying neuron, effector muscles

B] Receptor cell, efferent nerve, relaying neuron, muscles of the body

C] Receptor cell, spinal cord, motor neuron, relaying neuron

D] Receptor cell, synapse, motor neuron, relaying neuron

(2012)

v) A point of contact between two neurons is termed:

A] Synapsis B] Neuro motor junction C] Synapse

(2010)

  • Rewrite the terms in correct order in a logical sequence:

i) Receptor, spinal cord, effector, motor neuron, sensory neuron (2017)

ii) Motor neuron, receptor, sensory neuron, effector, association neuron (pathway of a nerve impulse)  (2010)

  • During a street fight between two individuals, mention the effects on the following organs by the autonomous nervous system, in the table as given below:

Organ                                         Sympathetic system                                Parasympathetic system       

e.g Lungs                              Dilates bronchi and bronchioles           Constricts bronchi and bronchioles

Pupil of the eye

(2011)

  • Given below is an example of a certain structure and its special functional activity:

Eg: Ribosomes and protein synthesis

One a similar pattern complete the following:

Hypothalamus and _________________

(2010)

  • Differentiate between the following on the basis of what is given in the brackets:

i) Cerebrum and spinal cord (arrangement of cytons and axons of neurons)           (2010, 2014)

ii) spinal nerves and cranial nerves (number of nerves)                                         (2014)

iii) Corpus callosum and corpus luteum (function)                                                  (2014)

  • How are the cytons and axons placed in the brain and spinal cord? (2019)

  • Briefly explain the following terms:

i) reflex action (2016)

ii) synapse (2016)

  • Give scientific reasons: Injury to medulla oblongata leads to death. (2016)

  • State the main function of:

i) cerebrospinal fluid.  (2016, 2017)

ii) medulla oblongata (2011)

iii) sensory and motor neurons (2010)

  • Name the part of the human brain which is concerned with:

i) Seat of memory 

ii) Coordinates muscular activity

(2012)

  • What is a nerve made up of?

(2010)

  • Give biological reasons: A person after consuming alcohol walks clumsily.

(2014)

DIAGRAM BASED QUESTIONS

(Click on the image to view the full thing)

  • Draw a well labelled diagram of a neuron and name the following parts:

Perikaryon/cyton, Dendrites, Axon, Node of Ranvier, Myelin sheath, Nissl granules

(2010, 2012)