Of which human organ is the medulla oblongata a part?
Correct answer A. Brain
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Biology MCQs
Page 32 of Biology multiple-choice questions with answers. Tap an option to check yourself.
Page 32 of 75
Which organ is affected by malaria?
Correct answer C. Spleen
What is the molecular formula of chlorophyll b?
Correct answer D. C55H70O6N4Mg
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What is the average heart rate per minute of a healthy man?
Correct answer D. 70
Which molecule acts as the chemical link between catabolism and anabolism?
Correct answer A. ATP
The value of the resting membrane potential of a neuron is about?
Correct answer C. −0.07 V
What is the role of haemoglobin?
Correct answer D. Transportation of oxygen
What is the main function of the kidney?
Correct answer D. To remove waste products from the body
Which element is the key constituent of haemoglobin?
Correct answer A. Iron
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Which is the largest part of the human brain?
Correct answer A. Cerebrum
Which is the largest part of the brain?
Correct answer C. Cerebrum
Which structure lies inside the vertebral column?
Correct answer A. Spinal cord
Where are red blood corpuscles produced?
Correct answer D. Bone marrow
What controls reflex actions below the neck?
Correct answer B. Spinal cord
What makes up the human central nervous system?
Correct answer C. Both of these
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Which ions are involved in starting a nerve impulse?
Correct answer A. Na⁺
What is the situation at resting membrane potential?
Correct answer A. Outer surface of neuron is more positive
Which of these is an effect of a synapse on a nerve impulse?
Correct answer B. To decrease the speed of nerve impulse
What are the tiny gaps between neuron endings called?
Correct answer C. Synapses
What makes night vision possible?
Correct answer D. Infrared rays