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