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NECTA Biology – Tanzania

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Question 41

What is the primary function of the human large intestine?
Human physiologyHuman physiologymedium

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Question 42

Which of the following best explains why anaerobic respiration yields less energy than aerobic respiration?
Respiration and photosynthesisRespiration and photosynthesishard

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Question 43

In human genetics, why are males more likely to express X-linked recessive traits?
GeneticsGeneticshard

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Question 44

Which of the following ecological terms refers to all the living organisms in a particular area interacting with their physical environment?
EcologyEcologymedium

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Question 45

Which structure in plants facilitates gas exchange during photosynthesis?
Respiration and photosynthesisPhotosynthesismedium

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Question 46

Which type of reproduction results in offspring genetically identical to the parent?
ReproductionReproductioneasy

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Question 47

If a pea plant with genotype Tt (T = tall, t = short) is self-pollinated, what is the expected phenotypic ratio among the offspring?
GeneticsGeneticsmedium

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Question 48

Which human organ is primarily responsible for filtering blood to remove waste products?
Human physiologyExcretory systemmedium

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Question 49

During aerobic respiration, which molecule acts as the final electron acceptor in the electron transport chain?
Respiration and photosynthesisRespirationhard

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Question 50

In an ecological pyramid, which trophic level typically has the least biomass?
EcologyEcologyhard

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