Question 111
Which organ is primarily responsible for filtering blood and producing urine in the human body?Human physiologyExcretory systemeasy
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Question 112
In an ecosystem, which organism typically occupies the role of primary producer?EcologyEcosystem structureeasy
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Question 113
Which of the following human body systems is mainly responsible for defending against pathogens?Human physiologyImmune systemmedium
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Question 114
Which process is most directly responsible for producing genetic variation during meiosis?DNA and geneticsGenetic variation and meiosismedium
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Question 115
Which statement best explains the concept of ecological succession?EcologyEcological successionmedium
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Question 116
What is the main environmental concern caused by excessive use of chemical fertilizers?Environmental studiesEnvironmental impact of human activitiesmedium
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Question 117
During human reproduction, fertilization normally occurs in which part of the female reproductive system?ReproductionFertilization and early developmenteasy
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Question 118
What is the shape of the DNA molecule?DNA and geneticsDNA and geneticseasy
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Question 119
Which scientist proposed the theory of natural selection?EvolutionEvolutioneasy
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Question 120
What term describes a group of organisms of the same species living in a specific area?EcologyEcologyeasy
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