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 211

Which hormone regulates the menstrual cycle and prepares the uterus lining for pregnancy?
ReproductionReproductionmedium

Select one option to submit your answer.

Question 212

What base pairs with adenine in DNA?
DNA and geneticsDNA Structure and Base Pairingeasy

Select one option to submit your answer.

Question 213

Which process produces genetic variation by exchanging DNA between homologous chromosomes?
DNA and geneticsGenetic Variation and Meiosismedium

Select one option to submit your answer.

Question 214

What is the main mechanism by which natural selection leads to evolution?
EvolutionMechanisms of Evolutioneasy

Select one option to submit your answer.

Question 215

What is the primary cause of acid rain?
Environmental studiesPollution and Environmental Impactmedium

Select one option to submit your answer.

Question 216

Which hormone regulates the menstrual cycle by preparing the uterus lining for pregnancy?
ReproductionHormonal Control of Reproductionmedium

Select one option to submit your answer.

Question 217

Which of the following best describes adaptive radiation?
EvolutionSpeciation and Evolutionary Patternshard

Select one option to submit your answer.

Question 218

Which structure in the human respiratory system prevents food from entering the trachea?
Human physiologyRespiratory Systemmedium

Select one option to submit your answer.

Question 219

Which of the following is a density-independent factor affecting population size?
EcologyPopulation Dynamicshard

Select one option to submit your answer.

Question 220

What is the primary mechanism by which evolution occurs?
EvolutionMechanisms of Evolutioneasy

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.