Question 21
Which nutrient is essential for building and repairing body tissues?Nutrition and transportNutritioneasy
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Question 22
What is the role of the phloem in plants?Nutrition and transportTransport in plantsmedium
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Question 23
Which blood vessel carries blood away from the heart?Human physiologyCirculatory systemmedium
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Question 24
What is the genetic term for the physical appearance resulting from an organism's genes?GeneticsGenetics and inheritancemedium
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Question 25
What is the main function of the kidneys in the human body?Human physiologyExcretory systemhard
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Question 26
Which nutrient is primarily absorbed in the small intestine?Nutrition and transportHuman nutrition and digestionmedium
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Question 27
What is the main gas produced during photosynthesis?Respiration and photosynthesisPhotosynthesiseasy
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Question 28
Which process involves the fusion of male and female gametes?ReproductionHuman and plant reproductioneasy
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Question 29
If a heterozygous tall pea plant (Tt) is crossed with a short pea plant (tt), what is the probability of producing a tall offspring?GeneticsMendelian geneticsmedium
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Question 30
Which of the following is a biotic factor in an ecosystem?EcologyEcosystems and environmenteasy
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