144 + Interview Questions in Neural Control And Coordination in Biology

51.	How many types of photoreceptor cells are present in the retina?(a) Two(b) Three(c) Four(d) FiveThis question was addressed to me in an online quiz.Query is from Neural Control and Coordination topic in division Neural Control and Coordination of Biology – Class 11
Answer» Correct answer is (a) Two To ELABORATE: There are two types of PHOTORECEPTOR CELLS, namely, rods and cones. These cells contain the light-sensitive proteins called the photopigments. Daylight VISION is the FUNCTION of cones and twilight vision is the function of rods.

Discussion

52.	Which part of the neuron is present in a high concentration in the grey matter?(a) Cell body(b) Axon(c) Dendrites(d) Synaptic knobsI have been asked this question in an interview for job.This intriguing question comes from Neural Control and Coordination in chapter Neural Control and Coordination of Biology – Class 11
Answer» The correct option is (a) CELL body To explain I would say: The cell bodies or neurons or nerve cells are present in a high CONCENTRATION in the grey matter of the brain and SPINAL cord. The AXONS of neurons are present in a high concentration in the white matter.

Discussion

53.	What is the outer layer of the brain called?(a) Arachnoid(b) Pia mater(c) Dura mater(d) Corpus callosumThis question was addressed to me during an interview.I would like to ask this question from Neural Control and Coordination topic in division Neural Control and Coordination of Biology – Class 11
Answer» Correct option is (c) Dura mater Explanation: The OUTER LAYER of the CRANIAL meninges is known as the dura mater. The middle layer is called the arachnoid membrane, and the innermost layer is known as the PIA mater. The CORPUS callosum is a part of the forebrain.

Discussion

54.	What happens when a neurotransmitter binds to a receptor on the post-synaptic membrane?(a) Opening of ion channels(b) Conformational changes in the neuron(c) Graded potential is transmitted across the neuron(d) It becomes impermeable to all ionsThe question was asked in an online interview.I'd like to ask this question from Neuron-2 in section Neural Control and Coordination of Biology – Class 11
Answer» Right choice is (a) OPENING of ion channels Easy explanation: When a neurotransmitter binds to a RECEPTOR on the post-synaptic membrane, it LEADS to the opening of ion channels. This allows the entry of ions which results in the generation of a new action POTENTIAL.

Discussion

55.	At resting membrane potential, the axonal membrane is impermeable to which ions?(a) Calcium ions(b) Sodium ions(c) Potassium ions(d) Chlorine ionsI had been asked this question in an interview for job.The origin of the question is Neuron-2 in division Neural Control and Coordination of Biology – Class 11
Answer» Correct ANSWER is (b) Sodium IONS For explanation: The axonal membrane of the neuron or NERVE cell is semi-permeable in nature. At resting membrane POTENTIAL, the membrane is permeable to potassium ions but nearly IMPERMEABLE to sodium ions.

Discussion

56.	Which of these statements is not true regarding axons?(a) They carry impulses away from the cell body(b) They transmit impulses to synapses(c) They are short fibers(d) Their terminal ends are branchedThe question was posed to me in class test.I'm obligated to ask this question of Neuron-1 topic in chapter Neural Control and Coordination of Biology – Class 11
Answer» Correct option is (c) They are short fibers Explanation: AXONS are LONG fibers while dendrites are short fibers. Axons CARRY or transmit nerve IMPULSES away from the cell BODY towards synapses. Their terminal ends are branched and end with synaptic knobs.

Discussion

57.	What kind of neurons is present in Hydra?(a) Apolar neurons(b) Unipolar neurons(c) Bipolar neurons(d) Multipolar neuronsI had been asked this question in exam.This question is from Neural Coordination Basics topic in portion Neural Control and Coordination of Biology – Class 11
Answer» The correct answer is (a) Apolar NEURONS Explanation: The NEURAL organisation is very SIMPLE in LOWER invertebrates. For example, Hydra neural organisation just consists of a network of neurons. Apolar or non-polar types of neurons are present in hydra.

Discussion

58.	Which of the following is not a part of the cranial meninges?(a) Dura mater(b) Arachnoid(c) Pia mater(d) Corpus callosumI had been asked this question in class test.The query is from Human Neural System in portion Neural Control and Coordination of Biology – Class 11
Answer» Correct ANSWER is (d) Corpus callosum To explain I would say: CRANIAL meninges consist of an outer layer called dura MATER, a very thin middle layer called arachnoid and an inner layer which is not in CONTACT with the brain tissue, pia mater.

Discussion

59.	When sound waves reach the lymph of the ear, in which structure does it induce a ripple?(a) Organ of Corti(b) Basilar membrane(c) Crista ampullaris(d) MaculaThis question was addressed to me at a job interview.This key question is from Neural Control and Coordination topic in division Neural Control and Coordination of Biology – Class 11
Answer» Right ANSWER is (b) Basilar membrane Easiest explanation: After the VIBRATIONS of the transmitted sound waves are passed to the inner EAR through the ear ossicles, it generates waves the lymph of the cochlea. This INDUCES a RIPPLE in the basilar membrane.

Discussion

60.	Which of these structures are present in the cochlea?(a) Pinna(b) Malleus(c) Reissner’s membrane(d) AnvilI got this question by my school teacher while I was bunking the class.I need to ask this question from Neural Control and Coordination in chapter Neural Control and Coordination of Biology – Class 11
Answer» The CORRECT option is (c) Reissner’s membrane Easiest explanation: The LABYRINTH has a COILED portion which is KNOWN as the cochlea. The cochlea contains the Reissner’s membrane. the anvil and malleus are a part of the MIDDLE ear. The pinna is a part of the outer ear.

Discussion

61.	The auditory meatus contains fine hairs. True or false?(a) True(b) FalseI have been asked this question in exam.Question is from Neural Control and Coordination topic in portion Neural Control and Coordination of Biology – Class 11
Answer» Correct choice is (a) True The best explanation: The EXTERNAL auditory meatus or auditory canal is a part of the outer ear and LIES between the pinna and the eardrum. It contains fine HAIRS as well as wax-secreting glands to provide PROTECTION.

Discussion

62.	Which of these structures are present on either side of the auditory meatus?(a) Pinna, eardrum(b) Cochlea, Eustachian tube(c) Pinna, malleus(d) Eardrum, malleusI have been asked this question in final exam.I'm obligated to ask this question of Neural Control and Coordination topic in chapter Neural Control and Coordination of Biology – Class 11
Answer» Right OPTION is (a) PINNA, eardrum To explain: The outer EAR COMPRISES of the pinna, the external auditory meatus or auditory canal and the tympanic MEMBRANE or eardrum. The auditory meatus lies between the pinna and the eardrum.

Discussion

63.	In which of these structures are the eyes located?(a) Glenoid cavity(b) Acetabulum(c) Pores(d) OrbitsThis question was addressed to me in homework.This intriguing question comes from Neural Control and Coordination topic in section Neural Control and Coordination of Biology – Class 11
Answer» The CORRECT answer is (d) Orbits Best EXPLANATION: The EYES are located in two sockets present in the skull known as orbits. The orbits are bony cavities in the FRONT part of the skull in which the eye and its appendages are accommodated and protected.

Discussion

64.	What happens to synaptic vesicles during an action potential?(a) They degrade their contents(b) They open up inside the synaptic knob(c) They move towards and fuse with the plasma membrane(d) They are released into the synapseI had been asked this question in an international level competition.This intriguing question originated from Neuron-2 topic in chapter Neural Control and Coordination of Biology – Class 11
Answer» RIGHT choice is (c) They move towards and fuse with the plasma membrane The best I can EXPLAIN: During an ACTION potential, the SYNAPTIC VESICLES move towards the membrane of the neuron and fuse with the plasma membrane. This results in the release of neurotransmitters in the synaptic cleft.

Discussion

65.	Which of these is false regarding synaptic clefts?(a) It lies between the membranes of pre and post-synaptic neurons(b) It is a fluid filled space(c) Electrical synapses have large synaptic clefts(d) It is a portion of the synapseThe question was posed to me during an interview.My query is from Neuron-2 in section Neural Control and Coordination of Biology – Class 11
Answer» Correct option is (c) ELECTRICAL synapses have large synaptic clefts Easy explanation: Synaptic clefts are fluid filled SPACES that lie between the MEMBRANES of PRE and post-synaptic neurons. These together make up the synapse. Electrical synapses have very small synaptic clefts.

Discussion

66.	Based on which of the following, the neurons are divided into three major types?(a) Based on the size of neurons(b) Based on the length of neurons(c) Based on the number of axons and dendrites(d) Based on the power of their divisionI got this question by my school principal while I was bunking the class.Question is taken from Human Neural System topic in division Neural Control and Coordination of Biology – Class 11
Answer» Correct choice is (c) BASED on the NUMBER of axons and DENDRITES To elaborate: Based on the number of axons and dendrites, the NEURONS are divided into three MAJOR types: i. Multipolar neurons-with one axon and two or more dendrites ii. Bipolar-with one axon and one Dendrite iii. Unipolar-cell body with one axon only.

Discussion

67.	The peripheral nervous system has how many divisions?(a) Two(b) Three(c) Four(d) FiveI have been asked this question during an interview.Question is taken from Neural Coordination Basics topic in section Neural Control and Coordination of Biology – Class 11
Answer» RIGHT answer is (a) Two The explanation is: The PNS is DIVIDED into two major DIVISIONS called somatic neural system and autonomic neural system. The somatic neural system relays impulses from CNS to the skeletal muscles while ANS transmits impulses from CNS to the smooth muscles.

Discussion

68.	How many different types of PNS fibres are there?(a) One(b) Two(c) Three(d) FourThe question was posed to me during an interview.Question is taken from Neural Coordination Basics in section Neural Control and Coordination of Biology – Class 11
Answer» Correct CHOICE is (B) Two The EXPLANATION: The nerve fibres of the PNS are of two types: i. Afferent fibres which TRANSMIT impulses from tissues/organs to CNS ii. EFFERENT fibres which transmit regulatory impulses from CNS to the concerned tissues/organs.

Discussion

69.	The neural system of lower invertebrates is better than the insects.(a) True(b) FalseI had been asked this question during an internship interview.I want to ask this question from Neural Coordination Basics topic in section Neural Control and Coordination of Biology – Class 11
Answer» The CORRECT OPTION is (b) False For explanation I would say: The neural system of INSECTS is better organised than the lower INVERTEBRATES as a brain is present along with several GANGLIA and neural tissues. The vertebrates have a more developed neural system.

Discussion

70.	Which of these is not an ear ossicle?(a) Hammer(b) Anvil(c) Meatus(d) StirrupThis question was posed to me in exam.My query is from Neural Control and Coordination topic in chapter Neural Control and Coordination of Biology – Class 11
Answer» Correct answer is (c) Meatus Easiest EXPLANATION: The middle ear consists of three bones KNOWN as the ear ossicles. The bones are known as malleus, INCUS and stapes. The malleus, incus and stapes are ALSO known as hammer, anvil and stirrup, RESPECTIVELY.

Discussion

71.	Which of these structures are present on the retina?(a) Macula lutea(b) Macula densa(c) Macula adherens(d) Macula flavaI had been asked this question by my college professor while I was bunking the class.Question is taken from Neural Control and Coordination in chapter Neural Control and Coordination of Biology – Class 11
Answer» The CORRECT option is (a) Macula lutea The best I can EXPLAIN: The RETINA is the innermost layer that surrounds the eye. It contains a yellow-pigmented region near its center at the posterior POLE of the eye known as the macula lutea. The central pit of the macula lutea is the FOVEA.

Discussion

72.	Which of the following is not stimulation for reflex action?(a) Hot object(b) Happiness(c) Cold object(d) Scary animalsI had been asked this question during an online interview.Enquiry is from Neural Control and Coordination in division Neural Control and Coordination of Biology – Class 11
Answer» Correct option is (B) Happiness For EXPLANATION I would say: The withdrawal of the body PART can be DUE to our contact with extremely hot or cold OBJECTS, pointed objects, animals that are scary, or are poisonous.

Discussion

73.	Which of these is not a component of the synapse?(a) Synaptic vesicles(b) Pre-synaptic membrane(c) Post-synaptic membrane(d) Synaptic cleftThe question was posed to me in quiz.The query is from Neuron-2 topic in chapter Neural Control and Coordination of Biology – Class 11
Answer» Right answer is (a) SYNAPTIC vesicles To explain: A synapse is present between two adjacent neurons. The pre-synaptic MEMBRANE of ONE NEURON, the post-synaptic membrane of the next neuron and the synaptic CLEFT make up the synapse.

Discussion

74.	Both nose and tongue detect dissolved chemicals.(a) True(b) FalseThis question was posed to me in homework.Origin of the question is Neural Control and Coordination in section Neural Control and Coordination of Biology – Class 11
Answer» The correct answer is (a) True To explain: Both nose and tongue detect dissolved chemicals. The CHEMICAL SENSES of gustation (taste) and olfactory (SMELL) are FUNCTIONALLY SIMILAR and interrelated.

Discussion

75.	Which of the following statements is incorrect regarding electrical synapses?(a) Transmission of signals is faster than chemical synapses(b) Pre and postsynaptic membranes are in very close proximity(c) They are very common in our system(d) Electrical synapse can flow directly from one neuron to anotherI have been asked this question during an interview.This is a very interesting question from Human Neural System topic in portion Neural Control and Coordination of Biology – Class 11
Answer» Right answer is (C) They are very common in our system The explanation: Electrical synapses are very RARE in our system. At electrical synapses, the MEMBRANES of pre and post synaptic neurons are in very close proximity. Impulse transmission ACROSS an electrical synapse is always faster than CHEMICAL synapse.

Discussion

76.	Which of the following integrates all the activities of the organs?(a) The neural and endocrine system(b) The neural and digestive system(c) Digestive and excretory system(d) Excretory and Respiratory systemThe question was posed to me during an online interview.I want to ask this question from Neural Coordination Basics topic in chapter Neural Control and Coordination of Biology – Class 11
Answer» The correct choice is (a) The NEURAL and endocrine system To EXPLAIN I WOULD say: In our body, the neural and the endocrine system jointly coordinate and integrate all the activities of the ORGANS so that they function in a synchronised fashion.

Discussion

77.	What is the coiled portion of the labyrinth called?(a) Oval window(b) Cochlea(c) Incus(d) StirrupI have been asked this question in an online quiz.Origin of the question is Neural Control and Coordination in division Neural Control and Coordination of Biology – Class 11
Answer» The correct CHOICE is (b) COCHLEA To explain I would say: The labyrinth is a STRUCTURE present in the inner EAR. It has a coiled portion which is known as the cochlea. It is a hollow bone which is spiral shaped. It plays a key role in the sensation of HEARING.

Discussion

78.	Which of these fluids is the membranous labyrinth surrounded by?(a) Hemolymph(b) Endolymph(c) Perilymph(d) KaryolymphThis question was addressed to me in my homework.My doubt is from Neural Control and Coordination in chapter Neural Control and Coordination of Biology – Class 11
Answer» Right ANSWER is (c) Perilymph The explanation is: The labyrinth is a structure present in the INNER ear. It consists of TWO parts-the BONY and the membranous labyrinths. The membranous labyrinth is surrounded by a FLUID known as perilymph.

Discussion

79.	What is the tympanic membrane also known as?(a) Pinna(b) Cochlea(c) Eardrum(d) MeatusI got this question in quiz.The question is from Neural Control and Coordination in portion Neural Control and Coordination of Biology – Class 11
Answer» The CORRECT choice is (c) Eardrum For explanation I WOULD say: The tympanic membrane is also KNOWN as the eardrum. It is a part of the OUTER ear and is situated at the end of the EXTERNAL auditory meatus or auditory canal. It is made of connective tissue and skin.

Discussion

80.	To which of these colors are the cone cells of the eye unresponsive?(a) Red(b) Blue(c) Yellow(d) GreenI got this question in an internship interview.This interesting question is from Neural Control and Coordination in division Neural Control and Coordination of Biology – Class 11
Answer» The correct CHOICE is (c) Yellow Easy explanation: RODS and cones are the PHOTORECEPTOR cells of the retina. There are three TYPES of cone cells which are responsive to three different colors of LIGHT. These colors are red, blue and green, but not yellow.

Discussion

81.	How is the resting potential restored after a nerve impulse?(a) Potassium ions diffuse inside the membrane(b) Potassium ions diffuse outside the membrane(c) The membrane becomes impermeable to potassium ions(d) There is no movement of potassium ionsI have been asked this question in an interview.My question comes from Neuron-2 in division Neural Control and Coordination of Biology – Class 11
Answer» Correct choice is (b) Potassium IONS diffuse outside the membrane The BEST I can explain: After a nerve impulse, the permeability of the membrane to sodium ions reduces and INCREASES for potassium ions. Potassium ions diffuse outside the membrane and HENCE RESTORE the resting potential.

Discussion

82.	The olfactory epithelium is the extension of which of the following?(a) Hypothalamus(b) Pituitary gland(c) Association areas(d) Limbic systemThe question was asked during an online exam.I would like to ask this question from Neural Control and Coordination in section Neural Control and Coordination of Biology – Class 11
Answer» CORRECT answer is (d) Limbic SYSTEM For explanation: The neurons of the olfactory epithelium extend from the outside environment DIRECTLY into a pair of BROAD bean-sized organs, called olfactory bulb, which are extensions of the brain’s limbic system.

Discussion

83.	The olfactory epithelium consists of how many cells?(a) One(b) Two(c) Three(d) FourThis question was addressed to me in examination.The question is from Neural Control and Coordination in division Neural Control and Coordination of Biology – Class 11
Answer» Right answer is (c) THREE Easy explanation: Olfactory EPITHELIUM consists of three kinds of CELLS NAMELY: i. Basal cells ii. Supporting cells iii. Olfactory receptor cells They GET modified to form olfactory neurons.

Discussion

84.	Which of these structures is not involved in controlling emotional reactions?(a) Hypothalamus(b) Amygdala(c) Hippocampus(d) PonsThis question was posed to me in unit test.The doubt is from Neural Control and Coordination in section Neural Control and Coordination of Biology – Class 11
Answer» RIGHT answer is (d) Pons To EXPLAIN: The HYPOTHALAMUS, the AMYGDALA and the HIPPOCAMPUS are structures of the forebrain. They are a part of the limbic system and control emotional reactions. The pons is not involved in such activities.

Discussion

85.	At resting membrane potential, the axonal membrane is permeable to which ions?(a) Calcium ions(b) Sodium ions(c) Potassium ions(d) Chlorine ionsThe question was posed to me in examination.I'm obligated to ask this question of Neuron-1 topic in chapter Neural Control and Coordination of Biology – Class 11
Answer» The correct OPTION is (c) Potassium ions Best explanation: The AXONAL membrane of the NEURON or nerve cell is semi-permeable in nature. At RESTING membrane potential, the membrane is permeable to potassium ions but nearly IMPERMEABLE to sodium ions.

Discussion

86.	In which of the following, olfactory receptors are present?(a) Nose(b) Eyes(c) Throat(d) EarsThis question was posed to me by my college professor while I was bunking the class.The doubt is from Neural Control and Coordination topic in portion Neural Control and Coordination of Biology – Class 11
Answer» Right ANSWER is (a) Nose To elaborate: The nose contains MUCUS COATED receptors that are specialised for RECEIVING the sense of smell and are called olfactory receptors. These are made up of olfactory epithelium.

Discussion

87.	Which of these structures is attached to the oval window?(a) Malleus(b) Incus(c) Stapes(d) EardrumThe question was asked in an online interview.Asked question is from Neural Control and Coordination topic in chapter Neural Control and Coordination of Biology – Class 11
Answer» The correct option is (c) STAPES The explanation is: The middle ear consists of the ear ossicles. The bones are KNOWN as malleus, incus and stapes. Stapes, being the last BONE of the middle ear, is attached to the oval WINDOW of the cochlea of the inner ear.

Discussion

88.	Which of these structures is a part of the inner ear?(a) Anvil(b) Meatus(c) Stapes(d) LabyrinthI have been asked this question in an online quiz.The question is from Neural Control and Coordination topic in chapter Neural Control and Coordination of Biology – Class 11
Answer» The correct answer is (d) LABYRINTH Easiest explanation: The labyrinth is a structure present in the INNER ear. The anvil or the incus, as WELL as the stapes are the bones of the middle ear, along with malleus. The meatus is present in the OUTER ear.

Discussion

89.	How many layers does the wall of the eyeball have?(a) 1(b) 2(c) 3(d) 4This question was addressed to me in quiz.This question is from Neural Control and Coordination topic in section Neural Control and Coordination of Biology – Class 11
Answer» Correct CHOICE is (c) 3 To ELABORATE: The wall of the eyeball has three LAYERS. The outermost layer is known as the sclera. The middle layer is known as the choroid and it is bluish in color. The innermost layer is known as the RETINA.

Discussion

90.	The diameter of the pupil is regulated by which of the following?(a) Muscle fibres of the iris(b) Sclera(c) Choroid layer(d) Muscle fibres of the lensI have been asked this question in examination.The above asked question is from Neural Control and Coordination topic in chapter Neural Control and Coordination of Biology – Class 11
Answer» Right ANSWER is (a) MUSCLE fibres of the IRIS To elaborate: The diameter of the PUPIL is regulated by the muscle fibres of the iris. The eyeball contains a transparent crystalline LENS which is held in place by the ligaments attached to the ciliary body.

Discussion

91.	Which of the following statements is false regarding electrical synapses?(a) Membranes of pre and post-synaptic neurons are in very close proximity(b) Transmission is always faster than that across a chemical synapse(c) It is similar to impulse conduction along a single axon(d) Electrical synapses are common in our systemI had been asked this question in semester exam.Asked question is from Neuron-2 topic in portion Neural Control and Coordination of Biology – Class 11
Answer» The correct OPTION is (d) Electrical synapses are common in our system Explanation: In electrical synapses, the membranes of pre and post-synaptic neurons are in close proximity. It is similar to IMPULSE conduction along a SINGLE axon and is always FASTER than TRANSMISSION across a chemical synapse. It is rare in our system.

Discussion

92.	Action potentials can be inhibitory. True or false?(a) True(b) FalseI have been asked this question in an international level competition.My question comes from Neuron-2 in division Neural Control and Coordination of Biology – Class 11
Answer» The correct choice is (a) True The best explanation: Action potentials or nerve IMPULSES can be EXCITATORY as well as inhibitory. They are conducted from neuron to neuron with the HELP of chemical COMPOUNDS known as NEUROTRANSMITTERS.

Discussion

93.	Which of the following is not a function of sensory organs?(a) Detect all the changes in the environment(b) Send appropriate signals to CNS(c) Analysis of signals(d) Receive signalsThis question was posed to me at a job interview.I'm obligated to ask this question of Neural Control and Coordination in portion Neural Control and Coordination of Biology – Class 11
Answer» CORRECT CHOICE is (c) Analysis of signals To EXPLAIN I would say: The sensory organs detect all types of changes in the environment and send APPROPRIATE signals to the CNS, where all the INPUTS are processed and analysed.

Discussion

94.	What does the endocrine system provide us?(a) Chemical integration through cell secretions(b) Chemical integration through cell division(c) Chemical integration through hormones(d) Chemical integration through tissuesThis question was posed to me during an interview for a job.This question is from Neural Coordination Basics topic in chapter Neural Control and Coordination of Biology – Class 11
Answer» CORRECT option is (c) Chemical integration through HORMONES Easy explanation: The endocrine system provides chemical integration through the hormones. The neural and the endocrine systems jointly coordinate and regulate the PHYSIOLOGICAL FUNCTIONS in the body.

Discussion

95.	Which of these statements is not true regarding the labyrinth?(a) It is present in the inner ear(b) It is fluid-filled(c) It bears the anvil(d) It consists of two partsThe question was asked at a job interview.Enquiry is from Neural Control and Coordination in portion Neural Control and Coordination of Biology – Class 11
Answer» The correct choice is (c) It bears the anvil To elaborate: The LABYRINTH is a structure present in the inner EAR. It does not BEAR the anvil as the anvil is a bone of the MIDDLE ear. The labyrinth is fluid-filled and consists of two parts-the bony and the membranous labyrinths.

Discussion

96.	Which of these do not make up the tympanic membrane?(a) Skin(b) Connective tissue(c) Osteocytes(d) Mucus membraneI had been asked this question by my school teacher while I was bunking the class.This interesting question is from Neural Control and Coordination in section Neural Control and Coordination of Biology – Class 11
Answer» Correct option is (c) Osteocytes To elaborate: The tympanic membrane or the eardrum is a part of the OUTER ear and lies at the end of the EXTERNAL auditory meatus or auditory canal. It is MADE up of connective tissue, SKIN and mucus membrane.

Discussion

97.	To which of these structures does the external auditory meatus extend up to?(a) Cochlea(b) Tympanic membrane(c) Malleus(d) IncusThe question was posed to me during a job interview.The above asked question is from Neural Control and Coordination in portion Neural Control and Coordination of Biology – Class 11
Answer» Right option is (b) Tympanic MEMBRANE For explanation I would say: The outer ear COMPRISES of the PINNA, the external auditory MEATUS or auditory canal and the tympanic membrane or EARDRUM. The external auditory meatus extend up to the tympanic membrane.

Discussion

98.	Which of these is not a function of ear?(a) Transmitting sound waves(b) Transducing sound waves(c) Maintenance of balance(d) OlfactionThe question was asked in quiz.The question is from Neural Control and Coordination in section Neural Control and Coordination of Biology – Class 11
Answer» Right choice is (d) Olfaction Best explanation: The ears of the HUMAN body have two important functions. They help in collecting sound waves from the SURROUNDING areas, TRANSMITTING and transducing them. They also help to MAINTAIN BALANCE.

Discussion

99.	The outer surface of the axon has a positive charge at resting membrane potential. True or false?(a) True(b) FalseThis question was addressed to me in examination.The doubt is from Neuron-2 topic in portion Neural Control and Coordination of Biology – Class 11
Answer» Right answer is (a) True Explanation: At resting membrane potential, the CONCENTRATION of SODIUM IONS is high outside the axonal membrane. Due to the sodium-potassium PUMP, the OUTER surface of the axon has a positive charge.

Discussion

100.	How can a nerve cell be distinguished from other cells of the body?(a) Presence of granules in nucleus(b) Presence of different nucleus(c) Presence of neurites(d) Presence of ribosomesThis question was addressed to me during an online interview.Enquiry is from Neural Coordination Basics topic in portion Neural Control and Coordination of Biology – Class 11
Answer» Right option is (c) Presence of NEURITES To explain: A NERVE cell can be DISTINGUISHED from other CELLS of the body by the presence of neurites. Neurites are any projection from the cell body of the neuron-like dendrites or the axons.

Discussion

Explore topic-wise InterviewSolutions in .

How many types of photoreceptor cells are present in the retina?(a) Two(b) Three(c) Four(d) FiveThis question was addressed to me in an online quiz.Query is from Neural Control and Coordination topic in division Neural Control and Coordination of Biology – Class 11

What kind of neurons is present in Hydra?(a) Apolar neurons(b) Unipolar neurons(c) Bipolar neurons(d) Multipolar neuronsI had been asked this question in exam.This question is from Neural Coordination Basics topic in portion Neural Control and Coordination of Biology – Class 11

Which of the following is not a part of the cranial meninges?(a) Dura mater(b) Arachnoid(c) Pia mater(d) Corpus callosumI had been asked this question in class test.The query is from Human Neural System in portion Neural Control and Coordination of Biology – Class 11

The auditory meatus contains fine hairs. True or false?(a) True(b) FalseI have been asked this question in exam.Question is from Neural Control and Coordination topic in portion Neural Control and Coordination of Biology – Class 11

In which of these structures are the eyes located?(a) Glenoid cavity(b) Acetabulum(c) Pores(d) OrbitsThis question was addressed to me in homework.This intriguing question comes from Neural Control and Coordination topic in section Neural Control and Coordination of Biology – Class 11

The peripheral nervous system has how many divisions?(a) Two(b) Three(c) Four(d) FiveI have been asked this question during an interview.Question is taken from Neural Coordination Basics topic in section Neural Control and Coordination of Biology – Class 11

How many different types of PNS fibres are there?(a) One(b) Two(c) Three(d) FourThe question was posed to me during an interview.Question is taken from Neural Coordination Basics in section Neural Control and Coordination of Biology – Class 11

The neural system of lower invertebrates is better than the insects.(a) True(b) FalseI had been asked this question during an internship interview.I want to ask this question from Neural Coordination Basics topic in section Neural Control and Coordination of Biology – Class 11

Which of these is not an ear ossicle?(a) Hammer(b) Anvil(c) Meatus(d) StirrupThis question was posed to me in exam.My query is from Neural Control and Coordination topic in chapter Neural Control and Coordination of Biology – Class 11

Which of the following is not stimulation for reflex action?(a) Hot object(b) Happiness(c) Cold object(d) Scary animalsI had been asked this question during an online interview.Enquiry is from Neural Control and Coordination in division Neural Control and Coordination of Biology – Class 11

Which of these is not a component of the synapse?(a) Synaptic vesicles(b) Pre-synaptic membrane(c) Post-synaptic membrane(d) Synaptic cleftThe question was posed to me in quiz.The query is from Neuron-2 topic in chapter Neural Control and Coordination of Biology – Class 11

Both nose and tongue detect dissolved chemicals.(a) True(b) FalseThis question was posed to me in homework.Origin of the question is Neural Control and Coordination in section Neural Control and Coordination of Biology – Class 11

What is the coiled portion of the labyrinth called?(a) Oval window(b) Cochlea(c) Incus(d) StirrupI have been asked this question in an online quiz.Origin of the question is Neural Control and Coordination in division Neural Control and Coordination of Biology – Class 11

Which of these fluids is the membranous labyrinth surrounded by?(a) Hemolymph(b) Endolymph(c) Perilymph(d) KaryolymphThis question was addressed to me in my homework.My doubt is from Neural Control and Coordination in chapter Neural Control and Coordination of Biology – Class 11

What is the tympanic membrane also known as?(a) Pinna(b) Cochlea(c) Eardrum(d) MeatusI got this question in quiz.The question is from Neural Control and Coordination in portion Neural Control and Coordination of Biology – Class 11

To which of these colors are the cone cells of the eye unresponsive?(a) Red(b) Blue(c) Yellow(d) GreenI got this question in an internship interview.This interesting question is from Neural Control and Coordination in division Neural Control and Coordination of Biology – Class 11

The olfactory epithelium consists of how many cells?(a) One(b) Two(c) Three(d) FourThis question was addressed to me in examination.The question is from Neural Control and Coordination in division Neural Control and Coordination of Biology – Class 11

Which of these structures is not involved in controlling emotional reactions?(a) Hypothalamus(b) Amygdala(c) Hippocampus(d) PonsThis question was posed to me in unit test.The doubt is from Neural Control and Coordination in section Neural Control and Coordination of Biology – Class 11

In which of the following, olfactory receptors are present?(a) Nose(b) Eyes(c) Throat(d) EarsThis question was posed to me by my college professor while I was bunking the class.The doubt is from Neural Control and Coordination topic in portion Neural Control and Coordination of Biology – Class 11

Which of these structures is attached to the oval window?(a) Malleus(b) Incus(c) Stapes(d) EardrumThe question was asked in an online interview.Asked question is from Neural Control and Coordination topic in chapter Neural Control and Coordination of Biology – Class 11

Which of these structures is a part of the inner ear?(a) Anvil(b) Meatus(c) Stapes(d) LabyrinthI have been asked this question in an online quiz.The question is from Neural Control and Coordination topic in chapter Neural Control and Coordination of Biology – Class 11

How many layers does the wall of the eyeball have?(a) 1(b) 2(c) 3(d) 4This question was addressed to me in quiz.This question is from Neural Control and Coordination topic in section Neural Control and Coordination of Biology – Class 11

Action potentials can be inhibitory. True or false?(a) True(b) FalseI have been asked this question in an international level competition.My question comes from Neuron-2 in division Neural Control and Coordination of Biology – Class 11

Which of these is not a function of ear?(a) Transmitting sound waves(b) Transducing sound waves(c) Maintenance of balance(d) OlfactionThe question was asked in quiz.The question is from Neural Control and Coordination in section Neural Control and Coordination of Biology – Class 11

The outer surface of the axon has a positive charge at resting membrane potential. True or false?(a) True(b) FalseThis question was addressed to me in examination.The doubt is from Neuron-2 topic in portion Neural Control and Coordination of Biology – Class 11