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NECTA Biology – Tanzania

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Question 151

Which of the following best describes the ecological term 'niche'?
EcologyEcological Conceptshard

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Question 152

Which organelle is primarily responsible for producing energy in the form of ATP within a cell?
Cell biologyCell structure and functioneasy

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Question 153

During photosynthesis, which gas is taken in by plants to produce glucose?
Respiration and photosynthesisPhotosynthesis processeasy

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Question 154

What is the expected phenotypic ratio in the offspring of a monohybrid cross between two heterozygous tall pea plants (Tt x Tt), where tall (T) is dominant over short (t)?
GeneticsMendelian inheritancemedium

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Question 155

Which trophic level do herbivores occupy in an ecological food chain?
EcologyFood chains and trophic levelsmedium

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Question 156

Which hormone regulates blood glucose levels by lowering it when it is too high?
Human physiologyEndocrine systemmedium

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Question 157

In aerobic respiration, which molecule acts as the final electron acceptor in the electron transport chain?
Respiration and photosynthesisCellular respirationhard

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Question 158

Which statement best explains why genetic variation is important in a population?
GeneticsImportance of genetic variationhard

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Question 159

Which blood vessels carry oxygenated blood away from the heart to the body tissues?
Human physiologyCirculatory systemmedium

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Question 160

Which nutrient is primarily involved in the repair and growth of body tissues?
Nutrition and transportNutritioneasy

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