Prep Africa

NSC Life SciencesSouth Africa

AI-generated exam-style practice tailored for South Africa students.

Interactive mode

Practice mode

Answer immediately. If you miss, we show exactly why your selected option is wrong.

Progress: 0/10 correct (0 answered)

Question 251

Which mechanism best explains the process of natural selection?
EvolutionEvolution - Natural Selectionmedium

Select one option to submit your answer.

Question 252

Which of the following best describes the role of producers in an ecosystem?
EcologyEcology - Energy Floweasy

Select one option to submit your answer.

Question 253

Which factor is an abiotic component in an ecosystem?
EcologyEcology - Ecosystem Componentseasy

Select one option to submit your answer.

Question 254

Which environmental practice helps to reduce soil erosion?
Environmental studiesEnvironmental Studies - Soil Conservationmedium

Select one option to submit your answer.

Question 255

Which genetic inheritance pattern is demonstrated when a heterozygous individual shows an intermediate phenotype?
DNA and geneticsDNA and Genetics - Patterns of Inheritancehard

Select one option to submit your answer.

Question 256

Which mechanism is a driving force of evolution by producing genetic variation?
EvolutionEvolutionmedium

Select one option to submit your answer.

Question 257

In an ecosystem, what term describes all the living organisms interacting in an area?
EcologyEcologyeasy

Select one option to submit your answer.

Question 258

What is the main environmental concern caused by excessive use of fertilizers?
Environmental studiesEnvironmental studiesmedium

Select one option to submit your answer.

Question 259

Which of the following best explains the concept of natural selection?
EvolutionEvolutionhard

Select one option to submit your answer.

Question 260

Which structure in the human kidney is responsible for filtering blood?
Human physiologyHuman physiologymedium

Select one option to submit your answer.

We use cookies and similar technologies for analytics and advertising. You can accept or reject non-essential cookies.