第 1 題
1 分Which inorganic ion is essential for the synthesis of chlorophyll in plants, and often results in yellowing of leaves (chlorosis) if deficient?
Pearson Edexcel A Level · Biology A (Salters-Nuffield) (9BN0)
生物多樣性、特有性與多樣性指數：練習題
3 條多項選擇題即時批改，另有 3 條文字題附完整解題步驟，全部圍繞「生物多樣性、特有性與多樣性指數」。
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第 2 題
1 分A population of flowers has two alleles for color: R (red) and r (white). If the frequency of the homozygous recessive genotype (white) is \(0.09\), what is the frequency of the dominant allele (R), assuming Hardy-Weinberg equilibrium?
第 3 題
1 分Which structural feature of xylem vessels allows them to provide support to the plant stem while remaining flexible enough for growth?
第 4 題
2 分Define the term endemism in the context of biodiversity.
先自己寫一次答案，再對照解題步驟。
第 5 題
2 分Explain why nitrate ions are essential for healthy plant growth.
先自己寫一次答案，再對照解題步驟。
第 6 題
2 分A population contains 40 individuals. If 12 of these individuals are heterozygotes at a specific gene locus, calculate the heterozygosity index \( (H) \).
先自己寫一次答案，再對照解題步驟。
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