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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

How many bones are present in the wrist?
A 4 bones
B 6 bones
C 8 bones
D 14 bones
Correct Answer: 8 bones
Insertion of Biceps is on_________?
A Ulna
B Radius
C Olecronon process of ulna.
D Scapula
Correct Answer: Radius
Which of the following bone is not present in the hind-limb?
A Femur
B Tibia
C Radius
D Fibula
Correct Answer: Radius
Which of the following muscle is an antagonistic member of Biceps brachii?
A Bracheoradialis
B Brachialis.
C Intercostals
D Triceps
Correct Answer: Triceps
Which one of the following is avascular structure?
A A compact bone.
B A spongy bone.
C Cartilage
D All of these
Correct Answer: Cartilage
Which one of the following is an example of a non-elastic connective tissue?
A Ligaments.
B Tendon
C Muscles.
D None of these
Correct Answer: Tendon
Collagen fibers of bone are hardened by deposition of_____________?
A Ca & PO4
B CaCO3
C CaSO4
D SiO2
Correct Answer: Ca & PO4
Tetany is caused by__________?
A Hypocalcemia
B Hypercalcemia
C Clostridum tetani.
D Low O2 level
Correct Answer: Hypocalcemia
Which of the following statement about fatigue is correct?
A The major event in it is accumulation of lactic acid.
B Lactic acid accumulation turns pH in acidic range leading to muscle ache.
C Ionic imbalance may also cause it.
D All of these
Correct Answer: All of these
Endoskeleton is secreted by?
A Ectoderm.
B Endoderm.
C Mesoderm.
D All of these
Correct Answer: Mesoderm.
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