Question 71
Which trophic level consists of primary consumers in an ecosystem?EcologyEcologymedium
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NSC Life Sciences – South Africa
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Question 72
Which biomolecule carries genetic instructions for protein synthesis?DNA and geneticsDNA and geneticsmedium
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Question 73
Which feature distinguishes homologous structures in different species?EvolutionEvolutionhard
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Question 74
Which hormone regulates the menstrual cycle by controlling the thickening of the uterine lining?Human physiologyHuman physiologyhard
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Question 75
Which structure in the human respiratory system is primarily responsible for gas exchange?Human physiologyHuman physiology - Respiratory systemeasy
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Question 76
Which of the following best describes the role of decomposers in an ecosystem?EcologyEcology - Nutrient cyclesmedium
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Question 77
Which hormone is primarily responsible for regulating blood glucose levels?Human physiologyHuman physiology - Endocrine systemmedium
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Question 78
Which of the following best explains why overuse of pesticides can harm ecosystems?Environmental studiesEnvironmental studies - Pollutionmedium
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Question 79
Which of the following evidences supports the theory of evolution?EvolutionEvolution - Evidence for evolutionhard
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Question 80
Which process in the cell cycle ensures that each daughter cell receives an identical set of chromosomes?DNA and geneticsDNA and Genetics - Cell divisionmedium
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