MCQ Questions Chapter 7 Control and Coordination Class 10 Science

Please refer to MCQ Questions Chapter 7 Control and Coordination Class 10 Science with answers provided below. These multiple-choice questions have been developed based on the latest NCERT book for class 10 Science issued for the current academic year. We have provided MCQ Questions for Class 10 Science for all chapters on our website. Students should learn the objective based questions for Chapter 7 Control and Coordination in Class 10 Science provided below to get more marks in exams.

Chapter 7 Control and Coordination MCQ Questions

Please refer to the following Chapter 7 Control and Coordination MCQ Questions Class 10 Science with solutions for all important topics in the chapter.

MCQ Questions Answers for Chapter 7 Control and Coordination Class 10 Science

Question: _______is responsible for maintaining biological clock of body
(a) Pineal
(b) Kidney
(c) Thyroid
(d) Adrenal       

Question:  A person consuming sea food is least likely to develop
(a) Diabetese
(b) Goiter
(c) Both A and B
(d) Heart Diseases   

Question:  Deficiency of ______cause dwarfism
(a) GH
(b) FSH
(c) LH
(d) All of these   

Question: A patient of diabetes is not producing
(a) Insulin
(b) Thyroxin
(c) Oestrogen
(d) Adrenaline   

Question:  A human hormone reducing blood flow to the digestive system and skin during stress is
(a) Thyroxin
(b) Adrenaline
(c) Growth hormone
(d) Insulin   

Question. The number of pairs of nerves which arises from the spinal cord is:
(a) 21
(b) 31
(c) 41
(d) 51

Question. Which of the following hormones is not released by pituitary gland?
(a) TSH
(b) Thyroxin
(c) ACTH
(d) FSH

Question. Which is the correct sequence of the components of a reflex arc?
(a) Receptors ? Muscles ? 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

Question. Plant movement towards light is
(a) Phototropism
(b) Gravitropism
(c) Hydrotropism
(d) Chemotropism

Question. In a neuron, conversion of electric signal to chemical reaction occurs at ______.
(a) cell body
(b) dendritic end
(c) axonal terminals
(d) axon

Question. Germination of seed is regulated by:
(a) auxin
(b) gibberellin
(c) cytokinin
(d) ethylene

Question. Which of the following nerve fibres are present in the grey matter?
(a) Medullated nerve fibres and neurons with long processes
(b) Medullated nerve fibres and neurons with short processes
(c) Nonmedullated nerve fibres and neurons with long processes
(d) Nonmedullated nerve fibres and neurons with short processes

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

Question. The growth of tendrils in pea plant is due to ____.
(a) effect of gravity
(b) effect of chemicals
(c) rapid cell divisions in tendriller cells that are away from support
(d) rapid cell division in tendriller cells in contact with the support

Question. The gap between two neurons is called a:
(a) dendrite
(b) synapse
(c) axon
(d) impulse

Question. Dandelion flowers open the petals in bright light during the daytime but close the petals in dark at night. This response of dandelion flowers to light is called:
(a) Phototropism
(b) Thigmonasty
(c) Chemotropism
(d) Photonasty

Question. Organisms depend on hormones as well as electric impulses for the transmission of signals from the brain to the rest of the body. What can be a likely advantage of hormones over electric impulses?
(a) It is secreted by all types of cells present in the body.
(b) It is secreted by stimulated cells and reaches all cells of the body.
(c) It is relayed to the target organ at a faster rate than electric impulses.
(d) It does not depend on an external stimulus to be generated in the cells.

Question. Goitre is caused due to the deficiency of ______ in our diet.
(a) iron
(b) iodine
(c) sodium
(d) protein

Question. Which is a plant harmone in following:
(a) Insulin
(b) Thyroxin
(c) Astrogen
(d) Cytokinin

Question.The movement of root away from light is:
(a) Positive phototropism
(b) negative phototropism
(c) negative hydrotropism
(d) positive hydrotropism

Question. Which of the following statements are true about the brain?
(i) The main thinking part of the brain is hind brain.
(ii) Centres of hearing, smell, memory, sight, etc. 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)

Question. In humans, the life processes are controlled and regulated by
(a) Reproductive and endocrine systems
(b) Respiratory and nervous systems
(c) Endocrine and digestive systems
(d) Nervous and endocrine systems

Question. This is the vertebral column also known as……………………which protects the spinal cord.
(a) Blackboard
(b) Backbone
(c) Whitebone
(d) Whiteboard

Question. Which of the following coordinates the body movement?
(a) Pons
(b) Medulla oblongata
(c) Cerebellum
(d) Corpora quadrigemina

Question. The substance that triggers the fall of mature leaves and fruits from plants is due to
(a) auxin
(b) gibberellin
(c) abscisic acid
(d) cytokinin

Question:  Growth hormone is produced by
(a) Adrenal
(b) Pituitary
(c) Pancreas
(d) Thyroid   

Question:  Hormone associated with gonads
(a) Testosterone
(b) Estrogen
(c) Auxin
(d) Both (A) and (B)     

Question:  Which of the following gland is unpaired?
(a) Adrenal
(b) Testis
(c) Pituitary
(d) Ovary   

Question:  Name the hormone which controls the basal metabolic rate in animals
(a) Adrenaline
(b) Thyroxine
(c) Aldosterone
(d) Oxytocin 

Question:  Which of the following is commonly known as ‗birth hormone‘?
(a) Prolactin
(b) Oxytocin
(c) ADH
(d) FSH   

ANSWER IN WORD OR SENTENCE

Question: . Which is the largest part of the brain? 

Question:  What is synapse? 

Question: Name the hormone which is injected to a diabetic patient.  

Question:  What is phytohormone?  

Question:  What substance that accelerate the growth in the stem?  

ASSERTION – REASONING

In the following questions a statement of assertion followed by a statement of reason is given. Choose the correct answer out of the following choices.

(a) Both Assertion and Reason are true and Reason is the correct explanation of Assertion.

(b) Both Assertion and Reason are true but Reason is not the correct explanation of Assertion.

(c) Assertion is true but Reason is false.

(d) Both Assertion and Reason are false.

Question: Assertion: Cerebrum is the largest part in our brain.
Reason: Cerebellum maintains the posture and equilibrium of the body 

Question:  Assertion: The use of iodized salt is advisable.  
Reason: Iodine is essential for the synthesis of thyroxin hormone in thyroid gland.   

Question:  Assertion: Neuron is the functional unit of nervous tissue.
Reason: Cell body maintains growth of the cell. 

Question:  Assertion: Auxin and Gibberellins are responsible for the growth of plant.  
Reason: They are phytohormone.

Question:  Assertion: Reflex Action occurs in brain and spinal cord.
Reason: They are voluntary action.   

FILL IN THE BLANKS

Question:  The movement of plant part in response to certain chemicals is called ________ _

Question: ___________ is the hormones that triggers the fall of mature leaves and fruits from plants.   

Question:  The gland that plays a role in ‘fight‘ or ‘flight‘ response is ___________   

Question: . The cells in our body that can be over a foot long are ___________   

Question:  ___________ receptors detect taste while ___________ receptors detect smell.   

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