Refer to CBSE Class 10 Biology Control and Coordination MCQs provided below available for download in Pdf. The MCQ Questions for Class 10 Science with answers are aligned as per the latest syllabus and exam pattern suggested by CBSE, NCERT and KVS. Multiple Choice Questions for Chapter 7 Control and Coordination are an important part of exams for Class 10 Science and if practiced properly can help you to improve your understanding and get higher marks. Refer to more Chapter-wise MCQs for CBSE Class 10 Science and also download more latest study material for all subjects
MCQ for Class 10 Science Chapter 7 Control and Coordination
Class 10 Science students should refer to the following multiple-choice questions with answers for Chapter 7 Control and Coordination in Class 10.
Chapter 7 Control and Coordination MCQ Questions Class 10 Science with Answers
Question. A doctor advised a person to take injection of insulin because :
(a) his blood pressure was high
(b) his heart beat was high
(c) his blood sugar was high
(d) his thyroxine level in blood was high
Answer : C
Question. All the voluntary actions of our body are controlled by :
(a) cerebrum
(b) cerebellum
(c) pons
(d) medulla
Answer : A
Question. Gustatory receptors will detect ______
(a) light
(b) Taste
(c) Smell
(d) Touch
Answer : B
Question. The gap between two neurons is called _____
(a) Synapse
(b) Synthesise
(c) Dendron
(d) Axon
Answer : A
Question. In humans, the life processes are controlled and regulated by
(a) Reproductive System and endocrine systems
(b) Respiratory System and nervous systems
(c) Endocrine System and digestive systems
(d) Nervous System and endocrine systems
Answer : D
Question. Learning is related to
(a) Hypothalamus
(b) Thalamus
(c) Cerebellum
(d) Cerebrum
Answer : D
Question. Which of the following statements are true about brain?
i. The main thinking part of brain is hind brain
ii. Centers of hearing, smell, memory, sight et(c) are located in fore brain
iii. Involuntary actions like salivation, vomiting, blood pressure are controlled by the medulla in the hind brain
iv. Cerebellum does not control posture and balance of the body
(a) (i) and (ii)
(b) (i), (ii) and (iii)
(c) (ii) and (iii)
(d) (iii) and (iv)
Answer : C
Question. The substance that triggers the fall of mature leaves and fruits from plants is due to
(a) Auxin
(b) Gibberellins
(c) Cytokinin
(d) Abscisic acid
Answer : D
Question. Nerves throughout the body other than Brain and spinal cord form ___.
(a) CNS
(b) PNS
(c) ANS
(d) AAS
Answer : B
Question. The nervous system is divided into the ____and the ___;the former consists of ___ and the latter consists of _____.
(a)CNS, PNS, the brain and spinal cord; nerves around the body
(b) CNS, PNS, the nerves around the body; the ventricles
(c) ANS, PNS, the nerves around the body; the ventricles
(d) ANS, CNS, the nerves around the body; the brain and spinal cord
Answer : A
Question. Artifical ripening of fruit is carried out by
(a) Auxins
(b) Ethylene
(c) Abscisic acid (AB(a)
(d) Gibberellins
Answer : B
Question. The growth of pollen tubes towards ovules is due to____.
(a) hydrotropism
(b) phototropism
(c) chemotropism
(d) geotropism
Answer : C
Question. Involuntary actions including blood pressure, salivation and vomiting are controlled by the __________ in the hind-brain.
(a) Medals
(b) Cerebellum
(c) Medulla
(d) Cerebrum
Answer : C
Question. A potted plant kept in a room tends to bend towards the direction of light. This movement is called
(a) Photographism
(b) Photonastism
(c) Photoperiodism
(d) Phototropism
Answer : D
Question. ____________ is a growth inhibiter hormone in plants
(a) Auxin
(b) Cytokinin
(c) Abscicic acid
(d) Gibberellic acid
Answer : C
Question. The endocrine organ present in human female but not in human male is
(a) Testis
(b) Ovary
(c) Pituitary gland
(d) Thymus
Answer : B
Question. If there is a deficiency of growth hormone the child becomes _____
(a) Blind
(b) Mentally retarded
(c) Giant
(d) Dwarf
Answer : D
Question. People living in coastal areas suffer less from goiter. This is because
(a) They eat sea food
(b) They drink sea water
(c) They bathe in sea water
(d) All of the above
Answer : A
Question. The upward or down ward movement of shoot and root respectively is influenced by gravity. Such movement is called
(a) Gravity movement
(b) Gravitytropism
(c) Geotropism
(d) Gravitism
Answer : C
Question. The direction of impulse in a typical neuron is
(a) Axon to dendron
(b) Dendron to axon
(c) Both a and b are correct
(d) Both a and b are wrong
Answer : B
Question. One of the following statements is not true about thyroxine. This is :
(a) Thyroid gland requires iron to synthesise thyroxine
(b) It regulates carbohydrate, protein and fat metabolism
(c) Iodine is essential for the synthesis of thyroxine
(d) Thyroid gland can enlarge due to lack of thyroxine
Answer : A
Question. Which of the following does not act as an endocrine gland as well as an exocrine gland ?
(a) testis
(b) ovary
(c) pituitary
(d) pancreas
Answer : C
Question. The endocrine gland whose malfunctioning causes diabetes disease is :
(a) pituitary
(b) pineal
(c) parathyroid
(d) pancreas
Answer : D
Question. The use of iodised salt is recommended to prevent :
(a) diabetes
(b) gonorrhoea
(c) dysentery
(d) goitre
Answer : D
Question. Which of the following are often called glands of emergency ?
(a) thyroid
(b) pituitary
(c) adrenal
(d) pancreas
Answer : C
Question. Which of the following statements is correct about receptors ?
(a) gustatory receptors detect taste while olfactory receptors detect smell
(b) both gustatory and olfactory receptors detect smell
(c) auditory receptors detect smell and olfactory receptors detect taste
(d) olfactory receptors detect taste and gustatory receptors detect smell
Answer : A
Question. The part of brain which takes part in regulating respiration in the human body is :
(a) medulla
(b) pons
(c) cerebellum
(d) cerebrum
Answer : B
Question. Electrical impulse travels in a neuron from :
(a) dendrite → axon → axon end → cell body
(b) cell body → dendrite → axon → axon end
(c) dendrite → cell body → axon → axon end
(d) axon end → axon → cell body → dendrite
Answer : C
Question. In a synapse, chemical signal is transmitted from :
(a) axon to cell body of the same neuron
(b) cell body to axon end of the same neuron
(c) dendrite end of one neuron to axon end of adjacent neuron
(d) axon end of one neuron to dendrite end of adjacent neuron
Answer : D
Question. In a neuron, the conversion of electrical signal to a chemical signal occurs at/in :
(a) dendrite end
(b) cell body
(c) axon end
(d) myelin sheath
Answer : C
Question. One of the following gives the correct sequence of the components in a reflex arc. This is :
(a) Receptors → Muscle → Sensory neuron → Motor neuron → Spinal cord
(b) Receptors → Motor neuron → Spinal cord → Sensory neuron → Muscle
(c) Receptors → Spinal cord → Sensory neuron → Motor neuron → Muscle
(d) Receptors → Sensory neuron → Spinal cord → Motor neuron → Muscle
Answer : D
Question. Which of the following statements are true ?
(i) sudden action in response to something in the environment is called reflex action
(ii) sensory neurons carry electrical signals from spinal cord to muscles in a reflex action
(iii) motor neurons carry signals from receptors to spinal cord in a reflex action
(iv) the pathway of transmitting signals from a receptor to a muscle is a reflex action
(a) (i) and (ii) (b) (i) and (iii) (c) (i) and (iv) (d) (i), (ii) and (iii)
Answer : C
Question. The gustatory receptors of our body are in one of the following organs. This organ is :
(a) ear
(b) nose
(c) tongue
(d) skin
Answer : C
Question. The part of brain which controls the involuntary actions such as heart beat, breathing, blood pressure, etc.is :
(a) pons
(b) medulla
(c) cerebrum
(d) cerebellum
Answer : B
Question. Dwarfism results due to :
(a) excessive secretion of thyroxine hormone
(b) excessive secretion of growth hormone
(c) less secretion of adrenaline hormone
(d) less secretion of growth hormone
Answer : D
Question. The dramatic changes in body features associated with puberty are mainly because of the secretions of :
(a) estrogen from testes and testosterone from ovary
(b) estrogen from adrenal gland and testosterone from pituitary gland
(c) testosterone from testes and estrogen from ovary
(d) testosterone from thyroid gland and estrogen from pituitary gland
Answer : C
Question. The olfactory receptors in humans are located in :
(a) eyes
(b) tongue
(c) ears
(d) nose
Answer : D
Question. The contraction of pupil of the eye in the presence of bright light is an example of :
(a) Voluntary reflex
(b) Spinal reflex
(c) Cerebral reflex
(d) Adrenal reflex
Answer : C
Question. The faulty functioning of an endocrine gland can make a person very short or very tall. This gland is :
(a) thyroid
(b) pineal
(c) adrenal
(d) pituitary
Answer : D
(b) Taste
(d) Touch
(b) Synthesise
( d) Axon
(b) Cerebellum
(d) Cerebrum
(b) Photonastism
(d) Phototropism
(b) Cytokinin
(d) Gibberellic acid
(b) Ovary
(d) Thymus
(b) Mentally retarded
(d) Dwarf
(b) They drink sea water
(d) All of the above
(b) Gravitytropism
(d) Gravitism
(b) Dendron to axon
(d) Both a and b are wrong
Answer : A
Answer : D
Answer : B
Answer : D
Answer : A
Answer : D
Answer : B
Answer : D
Answer : D
Question. The fluid that lies above and below the meninges of the brain is called
(a) lymph
(b) serum
(c) plasma
(d) cerebrospinal fluid
Answer : D
Question. Which is a correct statement?
(a) Olfactory lobes and optic lobes lie in the sameregion .
(b) Cranium is covered by cerebrospinal fluid.
(c) Cerebrum controls intelligence.
(d) Cerebellum controls intelligence.
Answer : C
Question. Reflex arc is formed by
(a) ventral sensory nerve and dorsal motor nerve
(b) dorsal sensory nerve and ventral motor nerve
(c) neither of the above
(d) both (a) and (b)
Answer : B
Question. Goitre results from
(a) gibberellin
(b) iodine deficiency
(c) calcium depletion
(d) thyroid dysfunction
Answer : B , D
Question. Pineal gland is situated on the
(a) dorsal surface of the hindbrain
(b) dorsal surface of the forebrain
(c) ventral surface of the midbrain
(d) ventral surface of the forebrain
Answer : B
Question. Medulla oblongata is
(a) a part of the forebrain
(b) a part of the midbrain
(c) a part of the hindbrain
(d) last part of the hindbrain
Answer : D
Question. Which of the following is/are not due to hormone?
(a) Diabetes
(b) Arthritis
(c) Gigantism
(d) Reflex action
Answer : B , D
Question. The seat of intelligence and voluntary action in the brain is the
(a) pons
(b) cerebellum
(c) cerebrum
(d) medulla oblongata
Answer: C
Question. People suffering from diabetes mellitus are unable to secrete sufficient
(a) insulin
(b) adrenaline
(c) thyroxine
(d) testosterone
Answer: A
Question. The root of a plant is
(a) positively geotropic
(b) positively phototropic
(c) negatively geotropic
(d) positively thigmotropic
Answer: A
Question. The response of plant parts towards light is called
(a) geotropism
(b) phototropism
(c) hydrotropism
(d) chemotropism
Answer: B
Question. Reflex action is controlled mainly by the
(a) brain
(b) autonomous nervous system
(c) peripheral nervous system
(d) spinal cord
Answer: D
Question. The master gland of the body is the
(a) testis
(b) pituitary
(c) thyroid
(d) adrenal
Answer: B
Question. The activities of the internal organs are controlled by
(a) the reflex arc
(b) the peripheral nervous system
(c) the autonomic nervous system
(d) none of these
Answer: C
Question. The plant hormone essential for cell division is
(a) abscisic acid
(b) auxin
(c) gibberellin
(d) cytokinin
Answer: D
Question. The junction between two neurons is called
(a) synapse
(b) dendrite
(c) joint
(d) axon
Answer: A
Question. Which of these plant hormones is a growth inhibitor?
(a) Gibberellin
(b) Auxin
(c) Abscisic acid
(d) Cytokinin
Answer: C
Fill in The Blank
Question. A feedback mechanism regulates the action of the .......... .
Answer: hormones
Question. An axon terminal passes the electrical stimulus to a dendrite of next neuron through .......... reaction.
Answer: chemical
Question. Motor nerves transmit response from ......... organs to ......... nervous system in the form of impulse.
Answer: sensory, central
Question. .......... hormone is applied to cuttings to induce root initiation in horticulture.
Answer: Auxin
Question. A hormone is a chemical secreted by an .........
Answer: endocrine gland
Question. Positive geotropism of root is due to greater growth on .......... side as compared to .......... side.
Answer: upper, lower
Question. The initial depolarization of the nerve cell membrane.
Answer: sodium
Question. .......... performs control and coordination in plants.
Answer: Phytohormones
Question. The .......... of the neuron secretes the neurotransmitter substance.
Answer: axon
Question. The response of a plant to a stimulus of water is called .........
Answer: hydrotropism
Question. .......... hormone increases heartbeat rate when we get a fright.
Answer: Adrenalin
Question. Apical dominance - Auxin; reversal of dwarfism ..........
Answer: GA
True/False
Question. Blue light effective in phototropism.
Answer: True
Question. From a functional perspective, the nervous system provides slow, long-term coordination.
Answer: False
Question. One-celled organisms can respond to stimuli.
Answer: True
Question. The main thinking part of brain is hind brain.
Answer: False
Question. The nervous system is closely associated with every system in your body.
Answer: True
Question. Auxin ‘b’ isolated from corn germ oil.
Answer: True
Question. The chemicals released from the axonal end of one neuron cross the synapse and generate a similar electrical impulse in a dendrite of another neuron.
Answer: True
Question. Growth hormone is secreted by adrenal gland.
Answer: False
Question. Functioning of various organs in uniformity is called coordination.
Answer: True
Question. Centres of hearing, smell, memory, sight, etc., are located in fore brain.
Answer: True
Question. Bending of Tentacles in Drosera is Thigmonasty.
Answer: True
Question. Sudden action in response to something in the environment is called reflex action.
Answer: True
Question. Cerebellum does not control posture and balance of the body.
Answer: False
Assertion and Reason
DIRECTION : In the following questions, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as:
(a) Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).
(b) Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).
(c) Assertion (A) is true but reason (R) is false.
(d) Assertion (A) is false but reason (R) is true.
(e) Both Assertion and Reason are false.
Question. Assertion : Suppression of growth of auxiliary buds is called apical dominance.
Reason : It is due to effect of downward movement of Auxin from apical region towards the lower side.
Answer: A
Question. Assertion : Abscisic acid is responsible for wilting of leaves.
Reason : It is a growth inhibitor.
Answer: A
Question. Assertion : Unlike cabbage, sunflower plant has long internode with leaves that are far apart.
Reason : Sunflower produces sufficient amounts of Gibberellins during its growing period.
Answer: A
Question. Assertion : Transmission of the nerve impulse across a synapse is accomplished by neurotransmitters.
Reason : Transmission of the nerve impulse across a synapse is accomplished by neurotransmitters.
Answer: A
Question. Assertion : Plants lack the nervous system, but they do coordinate.
Reason : It is so because of hormones.
Answer: A
Question. Assertion : Phototropism is caused by auxin.
Reason : When light is coming from one side of the plant, auxin diffuses towards the shady side of the shoot.
Answer: A
Question. Assertion : Senescence is delayed by the application of cytokinin in plants.
Reason : Cytokinin prevents the breakdown of chlorophyll, proteins and nucleic acid.
Answer: A
Question. Assertion : Antheorozoids of Funaria show chemotropic movement.
Reason : This is a paratonic movement of locomotion.
Answer: A
Question. Assertion : Phototropism is a directional growth movement.
Reason : It occurs in the direction of light.
Answer: A
Question. Assertion : A receptor is a specialized group of cells in a sense organ that perceive a particular type of stimulus.
Reason : Different sense organs have different receptors for detecting stimuli.
Answer: B
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MCQs for Science CBSE Class 10 Chapter 7 Control and Coordination
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Chapter 7 Control and Coordination MCQs Science CBSE Class 10
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Chapter 7 Control and Coordination CBSE Class 10 MCQs Science
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CBSE MCQs Science Class 10 Chapter 7 Control and Coordination
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