Question 51
Which organ system is primarily responsible for the transport of nutrients and oxygen to body cells?Human physiologyHuman physiologyeasy
Select one option to submit your answer.
NSC Life Sciences – South Africa
AI-generated exam-style practice tailored for South Africa students.
Practice mode
Answer immediately. If you miss, we show exactly why your selected option is wrong.
Progress: 0/10 correct (0 answered)
Question 52
Which human body system regulates water balance and filters blood to form urine?Human physiologyHuman physiologymedium
Select one option to submit your answer.
Question 53
What is the main advantage of sexual reproduction over asexual reproduction?ReproductionReproductioneasy
Select one option to submit your answer.
Question 54
Which environmental factor is most directly responsible for the phenomenon of global warming?Environmental studiesEnvironmental studiesmedium
Select one option to submit your answer.
Question 55
During which phase of the cell cycle does DNA replication occur?DNA and geneticsDNA and geneticsmedium
Select one option to submit your answer.
Question 56
Which of the following best explains the principle of natural selection?EvolutionEvolutionhard
Select one option to submit your answer.
Question 57
Which scientist is credited with the theory of natural selection?EvolutionEvolutionary theoryeasy
Select one option to submit your answer.
Question 58
Which organ system in humans is primarily responsible for removing metabolic waste?Human physiologyExcretory systemeasy
Select one option to submit your answer.
Question 59
Which of the following best explains the bottleneck effect in evolution?EvolutionMechanisms of evolutionmedium
Select one option to submit your answer.
Question 60
How does the human respiratory system contribute to maintaining homeostasis?Human physiologyRespiratory system and homeostasismedium
Select one option to submit your answer.