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Science M.C.Q

control and coordination · Gujarat Board (GSEB) STD 10 (GSEB - English Medium). 33 questions.

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M.C.Q

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33 questions · timed · auto-graded

MCQ 11 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 $A.$
Both $A$ and $R$ are correct and $R$ is explanation of $A.$
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MCQ 21 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 $A.$
Both $A$ and $R$ are correct, but $R$ is not explanation of $A.$
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MCQ 31 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 $A.$
Both $A$ and $R$ are correct, but $R$ is not explanation of $A.$
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MCQ 41 Mark
The deficiency of which hormone causes diabetes?
  • A
    Estrogen
  • B
    Thyroxin
  • C
    Adrenaline
  • ✓
    Insulin
Answer
Correct option: D.
Insulin
D. Insulin
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MCQ 51 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. Medulla
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MCQ 61 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. Cerebrum
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MCQ 71 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
Dendrite
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MCQ 81 Mark
Which of the following plant hormone helps in the growth of the stem?
  • A
    Auxin
  • B
    Gibberellin
  • ✓
    $A$ and $B$
  • D
    all
Answer
Correct option: C.
$A$ and $B$
$A$ and $B$
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MCQ 91 Mark
By whom are the continuous heartbeats controlled?
  • A
    Cerebrum
  • B
    Cerebellum
  • C
    Mid-brain
  • ✓
    Medulla
Answer
Correct option: D.
Medulla
D. Medulla
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MCQ 101 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. Mimosa
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MCQ 111 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. Cerebellum
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MCQ 121 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. Pituitary
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MCQ 131 Mark
Which is male sex hormone?
  • A
    Estrogen
  • B
    Adrenaline
  • ✓
    Testosterone
  • D
    Progesterone
Answer
Correct option: C.
Testosterone
C. Testosterone
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MCQ 141 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. Adrenaline
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MCQ 151 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. Thyroxin
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MCQ 161 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. chemotropism
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MCQ 171 Mark
The diagram shows a plant which has received light from one side only. Which characteristics are shown by the plant?
  • A
    Excretion and growth              
  • B
    Response and reproduction
  • ✓
    Growth and response
  • D
    Reproduction and nutrition
Answer
Correct option: C.
Growth and response
C. Growth and response
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MCQ 181 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. negative phototropic, but positive hydrotropic
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MCQ 191 Mark
Find mismatched pair :
  • A
    Growth related movement-slower
  • B
    Movement in sunflower in response to day or night-quite slow
  • ✓
     Movement of our leg-very slow
  • D
    All of you
Answer
Correct option: C.
 Movement of our leg-very slow
C. Movement of our leg-very slow
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MCQ 201 Mark
Find mismatched pair :
  • A
    Iodine - Functioning of thyroid gland
  • B
    Insulin - Regulates blood sugar level
  • C
    Hypothalamus - Regulates the secretion of pituitary
  • ✓
    Estrogen - Obstructs menstrual cycle
Answer
Correct option: D.
Estrogen - Obstructs menstrual cycle
D. Estrogen - Obstructs menstrual cycle
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MCQ 211 Mark
Which is sensitive to touch?
  • A
    Human skin
  • B
    Tendrils of pea
  • C
    Leaves of mimosa
  • ✓
    All of you
Answer
Correct option: D.
All of you
D. All of you
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MCQ 221 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. It maintains posture and balance of the body.
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MCQ 231 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.
$3$
$3$
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MCQ 241 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. Diabetes
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MCQ 251 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. Growth hormone
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MCQ 261 Mark
Who secretes releasing hormones?
  • A
    Pituitary gland
  • ✓
    Hypothalamus
  • C
    Autonomous Nervous System
  • D
    Thalamus
Answer
Correct option: B.
Hypothalamus
B. Hypothalamus
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MCQ 271 Mark
Hypothalamus is a part of ........
  • ✓
    Fore-brain
  • B
    Spinal cord
  • C
    Muscle tissue
  • D
    Cerebellum
Answer
Correct option: A.
Fore-brain
A. Fore-brain
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MCQ 281 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. Reflex action
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MCQ 291 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. Adrenal
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MCQ 301 Mark
Which ovarian hormone regulates menstrual cycle in women?
  • A
    Testosteron
  • ✓
    Estrogen
  • C
    Thyroxin
  • D
    None of these
Answer
Correct option: B.
Estrogen
B. Estrogen
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MCQ 311 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. Coordination
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MCQ 321 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. In spinal cord
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MCQ 331 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. In spinal cord
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