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M.C.Q

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33 questions · timed · auto-graded

MCQ 11 Mark
The brain is responsible for _______.
  • A
    thinking
  • B
    regulating the heartbeat
  • C
    balancing the body
  • all of the above
Answer
Correct option: D.
all of the above
D
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MCQ 21 Mark
The gap between two neurons is called a ________.
  • A
    dendrite
  • synapse
  • C
    axon
  • D
    impulse
Answer
Correct option: B.
synapse
B
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MCQ 31 Mark
Which of the following is a plant hormone?
  • A
    Insulin
  • B
    Thyroxin
  • C
    Estrogen
  • Cytokinin
Answer
Correct option: D.
Cytokinin
D
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MCQ 41 Mark
Which is sensitive to touch?
  • A
    Human skin
  • B
    Tendrils of pea
  • C
    Leaves of mimosa
  • D
    Flowers of Sunflower
Answer
A, B, and C
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MCQ 51 Mark
Find incorrect statement for cerebrum.
  • A
    It receives sensory impulses from various receptors.
  • B
    It has areas where information stored.
  • C
    It passes information to motor areas which control the movement of voluntary muscles.
  • It maintains posture and balance of the body.
Answer
Correct option: D.
It maintains posture and balance of the body.
D
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MCQ 61 Mark
How many endocrine glands from following are not in pairs?
Pancreas, adrenal, thyroid, testes, pituitary
  • A
    2
  • 3
  • C
    4
  • D
    5
Answer
Correct option: B.
3
B
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MCQ 71 Mark
Statement A: Auxin helps the cells to grow longer and plant appears to bend towards light.
Reason R: Auxin diffuses towards shady side of shoot from its tip.
Which option is correct for Statement A and Reason R?
  • Both A and R are correct and R is explanation of A.
  • B
    Both A and R are correct, but R is not explanation of A.
  • C
    A is correct, R is incorrect.
  • D
    A is incorrect, R is correct.
Answer
Correct option: A.
Both A and R are correct and R is explanation of A.
A
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MCQ 81 Mark
Statement A: The fore-brain is the main thinking part of the brain.
Reason R: Thinking is a complex activity that involves a complicated interaction of many nerve impulses.
Which option is correct for Statement A and Reason R?
  • A
    Both A and R are correct and R is explanation of A.
  • Both A and R are correct, but R is not explanation of A.
  • C
    A is correct, R is incorrect.
  • D
    A is incorrect, R is correct.
Answer
Correct option: B.
Both A and R are correct, but R is not explanation of A.
B
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MCQ 91 Mark
Statement A: Adrenaline diverts the blood to skeletal muscles of squirrel.
Reason R: Squirrel relies not only on electrical impulses but also on chemical signals.
Which option is correct for Statement A and Reason R?
  • A
    Both A and R are correct and R is explanation of A
  • Both A and R are correct, but R is not explanation of A.
  • C
    A is correct, R is incorrect.
  • D
    A is incorrect, R is correct.
Answer
Correct option: B.
Both A and R are correct, but R is not explanation of A.
B
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MCQ 101 Mark
Which disease takes place when there is a increase of sugar in the blood and in the urine?
  • A
    Dwarfism
  • B
    Goitre
  • Diabetes
  • D
    Both A and B
Answer
Correct option: C.
Diabetes
C
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MCQ 111 Mark
Whose excessive secretion causes the body to look like a gorilla?
  • A
    Thyroxin
  • Growth hormone
  • C
    Adrenaline
  • D
    All of the given
Answer
Correct option: B.
Growth hormone
B
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MCQ 121 Mark
Who secretes releasing hormones?
  • A
    Pituitary gland
  • Hypothalamus
  • C
    Autonomous Nervous System
  • D
    Thalamus
Answer
Correct option: B.
Hypothalamus
B
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MCQ 131 Mark
Hypothalamus is a part of __________.
  • Fore-brain
  • B
    Spinal cord
  • C
    Muscle tissue
  • D
    Cerebellum
Answer
Correct option: A.
Fore-brain
A
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MCQ 141 Mark
"Withdrawal of hand when unknowingly a rose prickle pricks the hand", which is this process?
  • A
    Autonomous reaction
  • Reflex action
  • C
    Thigmotropism
  • D
    None of the given
Answer
Correct option: B.
Reflex action
B
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MCQ 151 Mark
Which gland is stimulated to release its secretion in a scary situation in squirrels ?
  • Adrenal
  • B
    Pituitary
  • C
    Thyroid
  • D
    Hypothalamus
Answer
Correct option: A.
Adrenal
A
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MCQ 161 Mark
Which ovarian hormone regulates menstrual cycle in women?
  • A
    Testosteron
  • Estrogen
  • C
    Thyroxin
  • D
    None of these
Answer
Correct option: B.
Estrogen
B
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MCQ 171 Mark
What is the main function of endocrine system in animals?
  • Coordination
  • B
    Combination
  • C
    Regulatory
  • D
    None of the given
Answer
Correct option: A.
Coordination
A
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MCQ 181 Mark
Where is the arrangement in the body for reflex action?
  • A
    In medulla oblongata
  • In spinal cord
  • C
    In pons
  • D
    In heart
Answer
Correct option: B.
In spinal cord
B
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MCQ 191 Mark
The deficiency of which hormone causes diabetes?
  • A
    Estrogen
  • B
    Thyroxin
  • C
    Adrenaline
  • Insulin
Answer
Correct option: D.
Insulin
D
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MCQ 201 Mark
Who regulates the involuntary reflexes such as coughing, sneezing, hickup, vomiting, etc.?
  • Medulla
  • B
    Cerebellum
  • C
    Hypothalamus
  • D
    Cerebrum
Answer
Correct option: A.
Medulla
A
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MCQ 211 Mark
Which is the largest and the most complex part of the human brain?
  • A
    Medulla
  • B
    Cerebellum
  • C
    Hypothalamus
  • Cerebrum
Answer
Correct option: D.
Cerebrum
D
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MCQ 221 Mark
Through whom does the impulse enter into the cyton?
  • Dendrite
  • B
    Axons
  • C
    Both A and B
  • D
    None of the given
Answer
Correct option: A.
Dendrite
A
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MCQ 231 Mark
Which of the following plant hormone helps in the growth of the stem?
  • A
    Auxin
  • B
    Gibberellin
  • C
    Cytokinin
  • D
    Abscisic acid
Answer
A and B
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MCQ 241 Mark
By whom are the continuous heartbeats controlled?###Where are the regulatory centres for the blood pressure located?
  • A
    Cerebrum
  • B
    Cerebellum
  • C
    Mid-brain
  • Medulla
Answer
Correct option: D.
Medulla
D
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MCQ 251 Mark
Which of the following plant shows immediate response to touch by its leaves?
  • A
    Sunflower
  • B
    Pea
  • Mimosa
  • D
    None of the given
Answer
Correct option: C.
Mimosa
C
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MCQ 261 Mark
Which of the following helps in maintaining posture and balance of the human body?
  • A
    Cerebrum
  • Cerebellum
  • C
    Medulla
  • D
    Pons
Answer
Correct option: B.
Cerebellum
B
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MCQ 271 Mark
Which of the following endocrine gland does not occur as a pair in the human body?
  • A
    Adrenal
  • Pituitary
  • C
    Testis
  • D
    Ovary
Answer
Correct option: B.
Pituitary
B
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MCQ 281 Mark
Which is male sex hormone?
  • A
    Estrogen
  • B
    Adrenaline
  • Testosterone
  • D
    Progesterone
Answer
Correct option: C.
Testosterone
C
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MCQ 291 Mark
Which of the following hormone prepares our body for action in emergency situations?
  • A
    Testosterone
  • B
    Growth hormone
  • Adrenaline
  • D
    Insulin
Answer
Correct option: C.
Adrenaline
C
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MCQ 301 Mark
For the synthesis of which of the following hormone is iodine necessary?
  • A
    Adrenaline
  • B
    Auxin
  • Thyroxin
  • D
    Insulin
Answer
Correct option: C.
Thyroxin
C
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MCQ 311 Mark
The growth of a pollen tube towards the ovule is caused by __________.
  • A
    phototropism
  • B
    hydrotropism
  • C
    geotropism
  • chemotropism
Answer
Correct option: D.
chemotropism
D
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MCQ 321 Mark
The roots of a plant are __________.
  • A
    positive phototropic, but negative geotropic
  • B
    negative geotropic, but negative phototropic
  • negative phototropic, but positive hydrotropic
  • D
    negative hydrotropic, but positive phototropic
Answer
Correct option: C.
negative phototropic, but positive hydrotropic
C
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M.C.Q - Science STD 10 Questions - Vidyadip