What are the major biological issues facing the world today?
Correct answer E. All of these
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Biology MCQs
Page 6 of Biology multiple-choice questions with answers. Tap an option to check yourself.
Page 6 of 75
Which blood cells transport oxygen?
Correct answer C. Erythrocytes
How many true ribs are there in the human body?
Correct answer C. 14
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Which of these CANNOT be spread by infectious droplets?
Correct answer D. None of the above
Which blood vessel carries blood from the lungs to the heart?
Correct answer A. Pulmonary vein
How many molar teeth does an adult human normally have?
Correct answer C. 12 molar teeth
Which carbohydrate is produced in plants by photosynthesis?
Correct answer B. Glucose
What is the membrane that covers the lungs called?
Correct answer C. Pleura
In which part of the human body is the parasite Entamoeba histolytica found?
Correct answer B. Intestines
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Where is food stored in an onion?
Correct answer A. Scale leaves
For what work were Kornberg and Ochoa awarded the Nobel Prize?
Correct answer A. Artificial synthesis of DNA
What does the term gene refer to?
Correct answer D. A portion of DNA
In chromosomes, which material controls heredity?
Correct answer B. DNA
Which molecule carries genetic information on chromosomes from one generation of cells to the next?
Correct answer C. DNA
What are genes made of?
Correct answer B. Polynucleotides
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Who first described chromosomes as thread-like structures in the nucleus?
Correct answer D. Strasburger
Where are lampbrush chromosomes found?
Correct answer C. Oocytes of frog
What is a normal metaphase chromosome with a median centromere called?
Correct answer A. Metacentric
Who first used the term ‘gene’?
Correct answer A. Johannsen
What diameter did Wilkins’ X-ray diffraction studies show for the DNA helix?
Correct answer D. 20 Å