這幾年越來越多的學生在接觸國際課程，AP作為著名國際課程之一，自然有很多中國學生在學習，備考時也要結合真題訓練，有學生在咨詢AP課程輔導，想知道AP生物學考試真題輔無憂有嗎？

    自然是有的，這里輔無憂給大家分享美國大學理事會（College Board）官方發布的2019年AP生物學考試真題。考試共分為兩個部分，一部分為選擇題，一部分為開放性題目，這里先給大家分享選擇題部分的內容。

    部分A：單選題（每題1分，共63分）

    1.In a plant cell, which of the following functions is accomplished by the structure labeled "X" in the diagram below?

    [圖片描述：細胞圖，標有“X”的結構為中心體]

    A. secretion of hormones

    B. regulation of cell size

    C. formation of spindle fibers

    D. organization of microtubules

    2.Which of the following correctly pairs the pigment with the color it reflects?

    A. chlorophyll a - green

    B. chlorophyll b - red

    C. carotenoids - blue

    D. phycocyanin - yellow

    3.A researcher is investigating the effects of a new drug on the resting membrane potential of neurons. In a neuron, which of the following ions is primarily responsible for the resting potential?

    A. potassium

    B. sodium

    C. chloride

    D. calcium

    4.Which of the following types of organisms is characterized by having cells with a nucleus and membrane-bound organelles?

    A. bacteria

    B. archaea

    C. fungi

    D. protists

    5.Which of the following is NOT a function of the circulatory system in humans?

    A. delivering nutrients and oxygen to cells

    B. removing wastes from cells

    C. transporting hormones throughout the body

    D. producing immune cells to fight infections

    6.A scientist is studying the effects of temperature on the rate of photosynthesis in a plant. Which of the following best explains why the rate of photosynthesis decreases at temperatures above 35°C?

    A. the enzymes involved in photosynthesis become denatured

    B. there is insufficient carbon dioxide for photosynthesis

    C. the plant cells cannot produce enough ATP

    D. the plant cells cannot produce enough NADPH

    7.Which of the following best describes the relationship between transcription and translation?

    A. transcription is the process by which RNA is synthesized from DNA, and translation is the process by which RNA directs the synthesis of a protein

    B. transcription is the process by which RNA directs the synthesis of a protein, and translation is the process by which RNA is synthesized from DNA

    C. transcription and translation are the same process

    D. transcription and translation occur independently of each other

    多選題（每題2分，共27分）

    9.Which of the following are structural components of a virus?

    A. capsid

    B. plasma membrane

    C. ribosome

    D. DNA or RNA

    10.Which of the following factors influence the rate of diffusion across a membrane?

    A. temperature

    B. concentration gradient

    C. surface area of the membrane

    D. size of the diffusing molecule

    11.Which of the following best describes the mechanism of action of enzymes?

    A. enzymes provide energy for chemical reactions to occur

    B. enzymes lower the activation energy of chemical reactions

    C. enzymes increase the concentration of reactants in chemical reactions

    D. enzymes stabilize the products of chemical reactions

    AP生物學考試真題輔無憂有嗎？輔無憂已經給大家分享了部分真題，如果在備考時需要尋找AP生物學輔導的幫助，也可以來了解下我們輔無憂哦，具體了解可咨詢客服。