CBSE Class 10 Biology Control and Coordination MCQs Set A

Refer to CBSE Class 10 Biology Control and Coordination MCQs Set A 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. Chapter 7 Control and Coordination Class 10 MCQ 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

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 : 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 : The function of sensory nerve is to carry
(a) message to Brain 
(b) message from CNS
(c) detect heat / light 
(d) bones and nerves

Answer : A

 
Question : A connection between nerves which detect heat / light etc and nerves that moves muscles is called
(a) reflex arc 
(b) human brain
(c) neuromuscular junction 
(d) reflex action

Answer : D

 
Question : Input and output nerves meet at
(a) liver 
(b) CNS 
(c) muscles 
(d) heart

Answer : B

 
Question : Brain is contained in a bony- box consisting of a fluid filled ballon for
(a) sending information 
(b) protection of nerves
(c) connection with spinal cord 
(d) shock absorption

Answer : D

 
Question : Growth related movements are known as
(a) tropic movements 
(b) non directional movement
(c) directional movement 
(d) Both a) and b)

Answer : A

 
Question : Insulin helps in
(a) promoting growth 
(b) regulating amount of H2O
(c) regulating fat metabolism 
(d) regulating blood sugar levels

Answer : D

 
Question : The timing and amount of hormone released is regulated by
(a) pancreas 
(b) feedback mechanism
(c) pituitary mechanism 
(d) endocrine gland

Answer : B

 
Chapter 16 Sustainable Management of Natural Resources
CBSE Class 10 Biology Management of Natural Resources MCQs

MCQs for Chapter 7 Control and Coordination Science Class 10

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