What kind of virus is HIV?
Correct answer B. ssRNA
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Biology MCQs
Page 2 of Biology multiple-choice questions with answers. Tap an option to check yourself.
Page 2 of 75
What is the pH of freshly secreted saliva?
Correct answer C. 8
What share of the total photosynthesis on Earth is carried out by land plants?
Correct answer B. 10%
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Which hormone stimulates the stomach to produce gastric juice?
Correct answer C. Gastrin
Some people cough while eating. This may be due to improper movement of which structure?
Correct answer A. Epiglottis
The small intestine has three parts. What is the first part called?
Correct answer A. Duodenum
Which of these cell organelles does not contain DNA?
Correct answer B. Lysosomes
Which structure is present in plant cells but absent in animal cells?
Correct answer A. Cell wall
What do prokaryotes lack?
Correct answer C. Nucleus
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What are the blood vessels that carry deoxygenated blood back to the heart called?
Correct answer B. Veins
At what alkaline pH does amylase become denatured?
Correct answer C. 9
How many kingdoms of life are there?
Correct answer B. 5
Which structure is found only in plant cells?
Correct answer C. Cell wall
What is the joining of a sperm with an egg called?
Correct answer A. Fertilization
Into which vessel is blood pumped from the right ventricle?
Correct answer C. Pulmonary trunk
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In a cockroach, where is food ground up?
Correct answer C. Gizzard
What does the term lalopathy mean?
Correct answer A. A disorder of speech
Which condition involves an abnormal inability to see in dim light or at night?
Correct answer B. Nyctalopia
Where in the human body is the carotid artery located?
Correct answer B. Neck
In which area of the brain does mathematical processing take place?
Correct answer B. The left parietal lobe