問 1
1 点Which organelle is responsible for releasing energy through the process of aerobic respiration?
Pearson Edexcel IGCSE · Biology
Cell structure：練習問題
その場で採点される選択問題 4 問と、解説つきの記述問題 5 問。すべて「Cell structure」からの出題です。
9 問23 点無料・登録不要
問 2
1 点Which part of a cell is responsible for controlling the movement of substances into and out of the cell?
問 3
1 点A researcher is examining three different cell types and records the presence or absence of specific organelles:
Cell X: Contains a nucleus, mitochondria, and a cell wall, but lacks chloroplasts.
Cell Y: Contains a cell wall and circular DNA, but lacks a nucleus and mitochondria.
Cell Z: Contains a nucleus and mitochondria, but lacks a cell wall.
Which of the following correctly identifies the types of organisms these cells could have originated from?
問 4
1 点A specific human cell is observed to have a much higher density of mitochondria than other cells. Which of the following is the most likely identity and reason for this adaptation?
問 5
2 点Identify the specific cell organelle that is responsible for the synthesis of proteins within the cytoplasm.
まず自分で答えを書いてから、解説と照らし合わせましょう。
問 6
3 点Describe two structural differences between a palisade mesophyll cell from a leaf and a nerve cell from an animal.
まず自分で答えを書いてから、解説と照らし合わせましょう。
問 7
5 点Explain the functional relationship between ribosomes and mitochondria in a specialized cell that synthesizes and secretes large quantities of protein-based enzymes.
まず自分で答えを書いてから、解説と照らし合わせましょう。
問 8
4 点Plant and animal cells share several structures but also have distinct differences that relate to their lifestyles.
(a) State the function of the mitochondria in both cell types. (1)
(b) Name two structures that are present in a palisade cell of a leaf but are absent from a human cheek cell. (1)
(c) Describe the role of ribosomes in the cytoplasm. (1)
(d) Explain the specific function of the cell membrane. (1)
まず自分で答えを書いてから、解説と照らし合わせましょう。
問 9
5 点The structure of a cell is often adapted to suit the environment and the role it performs within an organism.
(a) Explain why root hair cells, which are located underground, do not contain chloroplasts. (2)
(b) Compare how carbohydrates are stored in animal cells compared to fungal cells. (2)
(c) Identify the organelle that contains cell sap and explain its function in maintaining cell turgidity. (1)
まず自分で答えを書いてから、解説と照らし合わせましょう。
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