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NECTA Biology – Tanzania

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Question 231

Which process results in the formation of gametes with half the chromosome number of the parent?
ReproductionCell division and reproductionmedium

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Question 232

In inheritance, an organism with genotype Aa shows the dominant trait. What can be inferred about the allele 'a'?
GeneticsMendelian inheritancemedium

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Question 233

Which statement best describes anaerobic respiration in human muscles?
Respiration and photosynthesisRespirationmedium

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Question 234

During photosynthesis, which gas is absorbed by the plant leaves?
Respiration and photosynthesisPhotosynthesis processeasy

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Question 235

Which process in human respiration involves the exchange of gases between the blood and the lungs?
Respiration and photosynthesisHuman respiratory systemmedium

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Question 236

In sexual reproduction, what is the role of meiosis?
ReproductionCell division and reproductionmedium

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Question 237

If brown eye color (B) is dominant over blue (b), what is the genotype of a heterozygous brown-eyed individual?
GeneticsMendelian inheritanceeasy

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Question 238

Which of the following best describes a climax community in ecology?
EcologyEcological successionmedium

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Question 239

Which of the following best explains why some plants perform C4 photosynthesis?
Respiration and photosynthesisPhotosynthesis adaptationshard

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Question 240

Which organelle is primarily responsible for energy production in the cell?
Cell biologyCell structure and functioneasy

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