Biology MCQs Online Quiz Test 23

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Biology Chapter Wise Online MCQs Test

Q.1: Which of the following acts as thermoregulator?

  1. Cerebrum
  2. Cerebellum
  3. Thalamus
  4. Hypothalamus

D

Q.2: Which of the following allows precise muscular movements——–?

  1. Cerebrum
  2. Cerebellum
  3. Thalamus
  4. Hypothalamus

B

Q.3: It is one of the convulsive disorders of nerves which are characterized by abrupt transient symptoms of motor, sensory, psychic or autonomic nature——–?

  1. Parkinson’s disease
  2. Epilepsy
  3. Alzheimer’s discease
  4. Dementia

B

Q.4: Value of resting membrane potential is——-?

  1. 0.03 V
  2. 0.05 V
  3. 0.07 V
  4. 0.09V

C

Q.5: Receptors for hearing come under heading of——?

  1. Chemical
  2. Mechanical
  3. Photo
  4. Nociceptors

B

Q.6: Which of the following feature is not related to neuron?

  1. Conduction
  2. Regeneration
  3. Reflex
  4. Movement

B

Q.7: Which of the following is a chemical link between catabolism and anabolism?

  1. AMP
  2. ADP
  3. ATP
  4. All of these

C

Q.8: Which of the following statement about fatigue is correct?

  1. The major event in it is accumulation of lactic acid.
  2. Lactic acid accumulation turns pH in acidic range leading to muscle ache.
  3. Ionic imbalance may also cause it.
  4. All of these

D

Q.9: Tetany is caused by—–?

  1. Hypocalcemia
  2. Hypercalcemia
  3. Clostridum tetani.
  4. Low O2 level

A

Q.10: Collagen fibers of bone are hardened by deposition of——-?

  1. Ca And PO4
  2. CaCO3
  3. CaSO4
  4. SiO2

A