AP EAMCET (EAPCET) Zoology Multiple Choice Questions (MCQs)
APEAPCET Zoology - Multiple Choice Questions
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101. Which of the following is the basic structural unit of a skeletal muscle?
- A) Myosin
- B) Actin
- C) Sarcomere (Answer)
- D) Myofibril
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102. What is the primary function of the skeletal system?
- A) Heat production
- B) Blood cell formation (Answer)
- C) Muscle contraction
- D) Digestion
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103. Which of the following disorders is characterized by the progressive weakening of skeletal muscles?
- A) Osteoporosis
- B) Myasthenia Gravis (Answer)
- C) Gout
- D) Arthritis
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104. What is the main contractile protein found in skeletal muscle fibers?
- A) Actin
- B) Myosin (Answer)
- C) Tropomyosin
- D) Troponin
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105. In which of the following does the peripheral nervous system primarily consist of?
- A) Brain and spinal cord
- B) Nerves and ganglia (Answer)
- C) Sensory receptors
- D) Hormones
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106. Which of the following is a condition characterized by the softening and weakening of bones due to loss of calcium and minerals?
- A) Arthritis
- B) Osteoporosis (Answer)
- C) Myasthenia Gravis
- D) Gout
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107. The reflex arc involves which of the following?
- A) Sensory neuron only
- B) Motor neuron only
- C) Sensory and motor neurons (Answer)
- D) Central nervous system only
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108. Which of the following structures is involved in the conduction of nerve impulses?
- A) Axon (Answer)
- B) Dendrite
- C) Cell body
- D) Synaptic cleft
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109. Which sense organ is primarily responsible for the perception of sound?
- A) Eye
- B) Ear (Answer)
- C) Skin
- D) Nose
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110. What is the characteristic of "rigor mortis"?
- A) Muscle relaxation after death
- B) Muscle stiffness after death (Answer)
- C) Nerve impulse conduction
- D) Sensory organ response after death
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