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Biology 1525 MCQs [All-Courses]

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Biology covers key concepts of life, organisms, and human systems with exam-focused notes for PPSC, FPSC, KPPSC, BPSC.,NTS, OTS, AJKPSC. Clear, concise topics help students prepare effectively for competitive tests.

All Topics  1525

It is one of the convulsive disorders of nerves which are characterized by abrupt transient symptoms of motor, sensory, psychic or autonomic nature________________?
A Parkinson’s disease
B Epilepsy
C Alzheimer’s discease
D Dementia
Correct Answer: Epilepsy
Which of the following allows precise muscular movements_______________?
A Cerebrum
B Cerebellum
C Thalamus
D Hypothalamus
Correct Answer: Cerebellum
Which of the following acts as thermoregulator?
A Cerebrum
B Cerebellum
C Thalamus
D Hypothalamus
Correct Answer: Hypothalamus
Intelligence is under the control of____________?
A Cerebrum
B Cerebellum
C Thalamus
D Hypothalamus
Correct Answer: Cerebrum
Which of the following is second largest part of the brain_______________?
A Cerebrum
B Cerebellum
C Thalamus
D Hypothalamus
Correct Answer: Cerebellum
Which of the following is largest part of brain?
A Cerebrum
B Cerebellum
C Medulla oblongata
D Thalamus
Correct Answer: Cerebrum
Which of the following is present inside the vertebral column______________?
A Brain
B Spinal cord
C Both of these
D none of these.
Correct Answer: Spinal cord
If a cross section of a sarcomere is seen, each myosin is surrounded by how many actin molecules:
A 9
B 5
C 6
D 7
Correct Answer: 6
Which of the following statement is incorrect about Molluscans?
A They are surrounded by single or double pieces of hard skeleton.
B Their shell grows as the animal grows.
C They have hydrostatic skeleton.
D They move by tube feet
Correct Answer: They move by tube feet
The most important function of troponin is___________?
A To bind with actin
B To bind with tropomyosin.
C To bind with Ca2+ ions.
D All of these
Correct Answer: All of these
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