Neural Control and Coordination in Animals Set 1

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This set of Biology Multiple Choice Questions & Answers (MCQs) focuses on Neural Control and Coordination in Animals Set 1

Q1 | What dose "a" and "b" indicate in the given diagram ?
  • a = Dendrite; b = Nissl's granule
  • a = Axon fibres ; b = Nucleus
  • a = Axon fibres ; b = Mitochondria
  • None of the given
Q2 | What does "b" and "c" indicate in the given diagram in question no 4?
  • b = Synapse; c = dendrite
  • c = Synapse; c = Axon fibres
  • b = axon c = dendrit
  • b = Synaptic bulb; c = Motor nerve
Q3 | What is correct in context with neuron ?
  • Nissl's granule present in it are acidic
  • It's cytoplam is restricted to only cyton
  • Each neuron has one axon and one dendron
  • Cyton possesses large nucleus
Q4 | In which animal nervous system is in the form of nerve-net ?
  • Leucosolania
  • Liver-Fluke
  • Planaria
  • Hydra
Q5 | In which animal neverous system consist of brain, ganglion and nerve fiber ?
  • Tape-worm
  • Liver-Fluke
  • Ascaris
  • Allof the given
Q6 | which option shows correctly matched pairs for the column I and Column II ?Colum-I Column-II(P) Unipolar neron (i) Retina(Q) Bipolar neuron (ii) Cerebral hemisphere(R) Multipolar neuron (iii) Embroyonic stage
  • (P-iii), (Q-i), (R-ii)
  • (P-ii), (Q-i), (R-iii)
  • (P-iii), (Q-ii), (R-i)
  • (P-ii), (Q-iii), (R-ii)
Q7 | What type of process the transmission of nerve impluse is ?
  • Electromagnetic
  • Electro -chemical
  • only Elecrical
  • only Magnetic
Q8 | What is correct for the resting potential
  • On innerside of plasma membrane + ve charge & outerside -ve charge is found
  • On outerside Na+ concentrartion is less ,on innersde k + concentrtion is less
  • On outerside a plasma membrane + ve charge and innerside is -ve charge
  • Electrically it is neutral in resting stage.
Q9 | That is correct for unstimulated nerve- fibre ?
  • Resting potential
  • Action potential
  • Repolarization
  • Depolarization
Q10 | Which option is correct for ion chhanel ?
  • They are consist of lipid.
  • They always remain open.
  • They are Permeable to more than one ion
  • They are consist of protein
Q11 | Which option indicates correct chronology of the changes occuring during transmission of nerve impulse ?
  • Nerve fibre - depolarization - action polential - repolarization - activation of Na+ and K+ pump
  • Nerve fibre - depolarization - action polential - activation of Na+ and K+ pump - repolarization
  • Nerve fiber - depolarization - repolarization - action polential - activation of Na+ and K+ pump
  • Nerve fiber - Activation of Na + and K+ pump - depolarization - repolarization -
Q12 | Which of the following is used to measure membrane potential ?
  • Sphigmomanometer
  • Thermometer
  • Voltmeter
  • Galvanometer
Q13 | What is responsible for the opening and closing of ion-channel ?
  • Electrical changes & Chemical Changes
  • More Na+ Conc out side of plasma membrane
  • More K+ Conc innerside of plasma membrane
  • On both Side of membranes Na+ and K+ are in equal proportion
Q14 | What does "a" and "b" indicate in the given diagram ?
  • a = Synaptic bulb b = Phagocgtosis
  • a = Presynaptic b = Phagocytosis
  • a = Synaptic gap b = Secretion of neurotranmetter
  • a = Presynaptic bulb b = Secretion neurotranmitter
Q15 | What does “a” indicate in the given diagram
  • Repolarization
  • Depolarization
  • Resting potential
  • Activation of Na+ and K+ pump
Q16 | In context with conduction of nerve impulse,what is the function of ion channels ?
  • Maintenance and change in electric potential
  • Transport of ions against diffusion gradient
  • Transport of Na+ ion to the innerside of a the membrane
  • All of the given
Q17 | When sodium and potassium pump is activated, for (a) Na+ ion, (b) K+ ion are exchanged ?
  • a = one , b= two
  • a = two, b= four
  • a = two , b= three
  • a = one, b= three
Q18 | The transfer of ion through ion channel is (a) and (b)
  • a = Bidirectional, b= selectively permeable
  • a =Unidirectional, b= permeable
  • a = Bidirectional , b= semi permeable
  • a = Unidirectional, b= selectively permeable
Q19 | What is the swollen, structure present at terminal end of each branch of nerve cell called ?
  • Synaptic cleft
  • synaptic vessicle
  • synapse
  • synaptic knob
Q20 | Which option is correct for the correctly matched groups for the column i;column ii and columnColumn I Column II Column III(a) Resting membrane (i) Na+ Channel get open (e) Na+ and k + pumps are responsible protential for it(b) Active potential (ii) Na+ Channel is closed (f) Last for very short time(c) Depolarization (iii) Na+ ions are more on (g) k + ions move on outerside outer side of membranes(d) Repolarization (iv) K + ions are more on outer (h) Positive charge of inner side of side of membrane membrane
  • (a-iv-f) (b-iii-e) (c-ii-h) (d-i-g)
  • (a-iv-e) (b-iii-f) (c-ii-g) (d-i-h)
  • (a-iii-e) (b-iv-f) (c-i-h) (d-ii-g)
  • (a-ii-h) (b-i-g) (c-iii-e) (d-iv-f)
Q21 | Which of the following generally transumit nerve inpulse only to the cyton ?
  • Axon
  • Dendrite
  • Synaptic knob
  • Node of Ranvier
Q22 | What is correct in reference with nerve impulse ?
  • Self-induced and unidirectional
  • Selt-induced and bidirectional
  • Electric potential in the nerve by region increase
  • Ion channel get closed in this region.
Q23 | ____________ is wraped by cerebrum ?
  • Thalamu
  • Hypothalamus
  • Cerebellar hemisphere
  • Mid- brain
Q24 | The weight of human brain is a and b neuron in it.
  • a = 1000 to 1100g
  • a = 1200 to 1400g b =1000 billion b = 100 billion
  • a = 800 to 1000g
  • a = 1200 to 1400g b = 1000 million b = 100 million
Q25 | Which of the follwing is a thin transparent nonvasscular meninges around CNS ?
  • Dura mater
  • Pia mater
  • Arachnoid
  • Grey matter