What are bacteria that can grow either with or without oxygen called?
Correct answer C. Facultative bacteria
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Biology MCQs
Page 57 of Biology multiple-choice questions with answers. Tap an option to check yourself.
Page 57 of 75
Which substance is used to relieve migraine, a type of headache?
Correct answer D. Ergotin
Which part of the cytoskeleton is assembled and disassembled to form the spindle during mitosis?
Correct answer B. Microtubules
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Which organelle is concerned with cell secretion?
Correct answer C. Golgi complex
What is the uptake of liquid material by the cell membrane called?
Correct answer A. Pinocytosis
What is the breakdown of large molecules into smaller ones using water molecules called?
Correct answer B. Hydrolysis
What percentage of all organisms on Earth are vascular plants?
Correct answer D. 17.60%
What percentage of total human body mass does oxygen account for?
Correct answer D. 65%
Which branch of biology studies the chemical components and chemical reactions of living organisms?
Correct answer C. Biochemistry
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What is an unbroken series of organisms arranged in sequence from ancestor to descendant called?
Correct answer B. Phyletic lineage
What is the control of pests by means of other living organisms called?
Correct answer D. Biological control
Which bond is the main potential source of chemical energy for cellular activities?
Correct answer C. C-H bond
What percentage of the mass of brain cells is water?
Correct answer B. 85%
What is a chemical that binds to an enzyme without being converted into product, thereby blocking the active site, called?
Correct answer A. Inhibitor
Who discovered ribosomes?
Correct answer A. Palade
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What is the natural tendency of offspring to resemble their parents called?
Correct answer A. Heredity
What does PCR stand for?
Correct answer A. Polymerase chain reaction
What are small, localised tumours called?
Correct answer D. Benign
What does abiogenesis mean?
Correct answer C. Non-living things
What is each unseparated copy of a replicated chromosome called?
Correct answer B. Chromatid