Approximately how many alveoli are there in the human lungs?
Correct answer B. 500 million
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Biology MCQs
Page 9 of Biology multiple-choice questions with answers. Tap an option to check yourself.
Page 9 of 75
How can new alleles enter a population’s gene pool?
Correct answer D. Both A and C
Which of the following organisms is diploblastic?
Correct answer C. Hydra
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Which toxic metal is extensively present in newspaper?
Correct answer A. Pb
Which of these viruses has caused deaths worldwide on a huge scale as an ’emergent’ virus?
Correct answer A. SARS-CoV-2
Non-flowering seed plants such as pines are commonly referred to as which type of plant?
Correct answer C. Coniferous
What is the scientific name of the onion?
Correct answer A. Allium cepa
Which mammal is known to be highly intelligent?
Correct answer C. Dolphin
Which of these is a mammal that can fly?
Correct answer C. Bat
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In which year did Linnaeus publish his list of plant names?
Correct answer C. 1753
Which properties do anti-inflammatory medicines have?
Correct answer A. All
Which hormones are associated with stress?
Correct answer D. All of these
Which glucose transporter is insulin-dependent?
Correct answer C. GLUT 4
Which type of diabetes mellitus do cats mostly develop?
Correct answer B. Type 2 diabetes
Which type of diabetes mellitus do dogs mostly develop?
Correct answer A. Type 1 diabetes
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What stimulates release of the hormone CCK?
Correct answer A. Fat, protein
Which tube connects the kidneys to the bladder?
Correct answer C. Ureter
Approximately what percentage of the human brain is water?
Correct answer C. 73%
With which disease are the cells known as faggot cells in the human body associated?
Correct answer A. Leukaemia
Why is human blood a viscous fluid?
Correct answer C. Proteins in blood