Read and download free pdf of CBSE Class 10 Science Control and Coordination Assignment Set C. Get printable school Assignments for Class 10 Science. Class 10 students should practise questions and answers given here for Chapter 7 Control And Coordination Science in Class 10 which will help them to strengthen their understanding of all important topics. Students should also download free pdf of Printable Worksheets for Class 10 Science prepared as per the latest books and syllabus issued by NCERT, CBSE, KVS and do problems daily to score better marks in tests and examinations
Assignment for Class 10 Science Chapter 7 Control And Coordination
Class 10 Science students should refer to the following printable assignment in Pdf for Chapter 7 Control And Coordination in Class 10. This test paper with questions and answers for Class 10 Science will be very useful for exams and help you to score good marks
Chapter 7 Control And Coordination Class 10 Science Assignment
Question. One of the following acts as an endocrine gland as well as an exocrine gland. This one is :
(a) salivary gland
(b) pancreas
(c) pituitary
(d) parathyroid
Answer : B
Question. Which of the following helps in maintaining posture and balance of the human body ?
(a) cerebellum
(b) cerebrum
(c) medulla
(d) pons
Answer : A
Question. Which of the following is not an involuntary action ?
(a) vomiting
(b) chewing
(c) heart beat
(d) salivation
Answer : B
Question. Which of the following hormone prepares our body for action in emergency situations ?
(a) testosterone
(b) growth hormone
(c) adrenaline
(d) insulin
Answer : C
Question. One of the following controls the peristaltic movements of alimentary canal. This one is :
(a) cerebrum
(b) cerebellum
(c) pons
(d) medulla
Answer : D
Question. The hormone which is associated with male puberty is called :
(a) oestrogen
(b) adrenaline
(c) testosterone
(d) progesterone
Answer : C
Question. The number of pairs of nerves which arises from the spinal cord is :
(a) 21
(b) 31
(c) 41
(d) 51
Answer : B
Question. Cerbellum, medulla and pons are the parts of :
(a) mid-brain
(b) hind-brain
(c) forebrain
(d) spinal cord
Answer : B
Question. Which of the following are cerebral reflexes ?
(i) a person pulls away his hand on touching a hot object
(ii) a person spits out immediately when a fly enters his mouth while talking
(iii) A person walking bare foot lifts his foot at once on stepping on to a nail
(iv) A person’s pupil contracts at once in the presence of bright light
(a) (i) and (ii)
(b) (ii) and (iii)
(c) (iii) and (iv)
(d) (ii) and (iv)
Answer : D
Question. Iodine is necessary for the synthesis of which of the following hormone ?
(a) adrenaline
(b) auxin
(c) thyroxine
(d) insulin
Answer : C
Question. Which of the following is a mis-matched pair ?
(a) adrenaline : pituitary gland
(b) estrogen : ovary
(c) pancreas : insulin
(d) progesterone : ovary
Answer : A
Question. A cell (or group of cells) in a sense organ which is sensitive to a particular type of stimulus is called :
(a) interceptor
(b) effector
(c) receptor
(d) acceptor
Answer : C
Question. Which of the following cannot be considered a receptor ?
(a) ear
(b) nose
(c) muscle
(d) eye
Answer : C
Question. One of the following is an incorrect statement about insulin. This is :
(a) it is produced in pancreas
(b) it regulates growth and development of the body
(c) it regulates blood glucose level in the blood
(d) its deficiency in the body will cause diabetes
Answer : B
Question. The spinal cord orginates from :
(a) cerebrum
(b) cerebellum
(c) medulla
(d) pons
Answer : C
Question. The involuntary actions in the body are controlled by :
(a) medulla in forebrain
(b) medulla in hindbrain
(c) medulla in spinal cord
(d) medulla in midbrain
Answer : B
Question. The underactive endocrine gland which causes goitre is :
(a) pancreas
(b) thyroid
(c) adrenal
(d) pituitary
Answer : B
Question. Which of the following endocrine gland does not occur as a pair in the human body ?
(a) adrenal
(b) pituitary
(c) testis
(d) ovary
Answer : B
Question. The junction between two adjacent neurons is called :
(a) nerve junction
(b) sensory junction
(c) synapse
(d) neuro-muscular joint
Answer : C
Question. The life processes in humans 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
Answer : D
Very Short Answer
Short Answer
Long Answer
Question : A person suffered a head injury, due to which he faces breathing problem. No problem was detected with his respiratory system. What could be the cause of this problem?
Answer : As the problem is caused due to head injury, it could be related to “Pons” a part of Hind brain responsible for regulation of respiration.
Question : A man becomes unconscious due to head injury. A pin is pricked on his foot, he withdraws his foot. Why? Explain.
Answer : It is reflex action. Stimulus is perceived by receptor (skin). Sensory nerve sends the sensation from receptor to the spinal cord. Then spinal cord sends the message through motor nerves to the effectors. Effectors i.e. muscles help in withdrawing his foot.
Question : In a family of normal sized members, there are two exceptions, one member is dwarf and one is tall like “Khali”. What could be the cause of it?
Answer : In case of dwarfs, there is a deficiency of growth hormone from Pituitary gland and in case of giants excess of growth hormone is produced during childhood.
Question : Why do you blink your eyes as bright light is focused on you?
Answer : We blink in order to protect the eye from bright light which otherwise would damage the retina.
Question : There is a potted plant in your drawing room, after few days you note that plant has bent to one side. What could be the reason? How has this movement been cocoordinated?
Answer : The plant has bent to one side due to phototropic movement of the stem. This movement is due to unequal growth of the stem on both sides. This growth is initiated by the hormone auxin.
Question : A leaf shaped gland is present above the intestine. The secretion of this gland regulates the metabolism of sugar in blood. Name the secretion and gland.
Answer : The name of the gland is pancreas. The secretion is Insulin from special cells in it.
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CBSE Class 10 Science Chapter 7 Control And Coordination Assignment
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Assignment for Science CBSE Class 10 Chapter 7 Control And Coordination
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Chapter 7 Control And Coordination Assignment Science CBSE Class 10
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Chapter 7 Control And Coordination Assignment CBSE Class 10 Science
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CBSE Science Class 10 Chapter 7 Control And Coordination Assignment
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