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CBSE
Class 10 Science
Control And Coordination
Quiz 2
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Which of the following is not an involuntary action?
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Vomiting
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Salivation
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Heart beat
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Chewing
Explanation
Chewing
When a person is suffering from severe cold, he or she cannot
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differentiate the taste of an apple from that of an ice cream
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differentiate the smell of a perfume from that of an agarbatti
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differentiate red light from green light
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differentiate a hot object from a cold object
Explanation
differentiate the smell of a perfume from that of an agarbatti
What is the correct direction of flow of electrical impulses?
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a
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b
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c
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d
Explanation
c
Which statement is not true about thyroxin?
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Iron is essential for the synthesis of thyroxin
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It regulates carbohydrates, protein and fat metabolism in the body
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Thyroid gland requires iodine to synthesise thyroxin
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Thyroxin is also called thyroid hormone
Explanation
Iron is essential for the synthesis of thyroxin
Dwarfism results due to
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Excess secretion of thyroxin
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Less secretion of growth hormone
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Less secretion of adrenaline
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Excess secretion of growth hormone
Explanation
Less secretion of growth hormone
Dramatic changes of body features associated with puberty are mainly because of secretion of
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oestrogen from testes and testosterone from ovary
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estrogen from adrenal gland and testosterone from pituitary gland
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testosterone from testes and estrogen from ovary
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testosterone from thyroid gland and estrogen from pituitary gland
Explanation
testosterone from testes and estrogen from ovary
A doctor advised a person to take an injection of insulin because
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his blood pressure was low
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his heart was beating slowly
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he was suffering from goitre
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his sugar level in blood was high
Explanation
his sugar level in blood was high
The hormone which increases the fertility in males is called
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oestrogen
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testosterone
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insulin
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growth hormone
Explanation
testosterone
Which of the following endocrine glands is unpaired?
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Adrenal
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Testes
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Pituitary
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Ovary
Explanation
Pituitary
Junction between two neurons is called
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cell junction
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neuro muscular junction
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neural joint
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synapse
Explanation
synapse
In humans, the life processes are controlled and regulated by
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reproductive and endocrine systems
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respiratory and nervous systems
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endocrine and digestive systems
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nervous and endocrine systems
Explanation
nervous and endocrine systems
Match the Column
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p -> i, q ->iii, r -> iv, s->ii
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p -> ii, q ->iv r -> iii, s->i
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p -> iii, q ->ii, r -> iv, s->i
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p -> ii, q ->iii, r -> iv, s->i
Which of the following is false about Insulin
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Insulin regulates growth and development of the body
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Insufficient secretion of insulin will cause diabetes
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Insulin regulates blood sugar level
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Insulin is produced from pancreas
Statement I: Cerebrum is the part of Fore brain and responsible for memory and intelligence Statement II: Cerebellum is part of Hind Brain and controls voluntary muscular movements
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Both the Statement are false
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Both the Statement are true
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Statement I is true only
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Statement II is true only
Cranium is related to
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Head
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Thorax
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Abdomen
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Limbs
Match the column
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p -> iv, q ->i, r -> iii, s->ii
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p -> iv, q ->ii, r -> i, s->iii
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p -> iv, q ->iii, r -> i, s->ii
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p -> i, q ->iii, r -> iv, s->ii
Which of the following statements are true? (i) Sudden action in response to something in the environment is called reflex action (ii) The path through which signals are transmitted from a receptor to a muscle or a gland is called reflex arc (iii)Sensory neurons carry signals from spinal cord to muscles (iv) Motor neurons carry signals from receptors to spinal cord
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(i) and (iii)
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(ii) and (iii)
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(i) and (iv)
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(i) and (ii)
Which plant hormone is also called as growth inhibitor?
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auxin
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gibberellins
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abscisic acid
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ascorbic acid
The centre of sense of smell in the brain is
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mid brain
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olfactory lobe
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cerebellum
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cerebrum
Iodine is necessary for the synthesis of which hormone?
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Auxin
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Insulin
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Thyroxin
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Adrenaline
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