Essential Biology 2. Chapter 2 - The Cell as the Basic Unit of Life (QUESTIONS WITH ANSWERS)

Chapter 2 The cell as the basic unit of life Multiple-choice questions [1A02101] * The diagram below shows some cells from a plant epidermis. X Which of the following statements of X is/are correct? (1) It can be found in plant cells only. (2) It contains genetic material. (3) It controls all cellular activities. A (1) only B (3) only C (1) and (2) only D (2) and (3) only D New Senior Secondary Mastering Biology Chapter 2 Question Bank Multiple-choice questions © Oxford University Press 2009 - 22 - [1A02102] * The diagram below shows two different cells. Which of the following is not a correct comparison of cells X and Y? Cell X Cell Y A genetic material lying in cytoplasm genetic material enclosed in nucleus B cell wall absent cell wall present C chloroplast absent chloroplast present D nuclear membrane absent nuclear membrane present B [1A02103] * Which of the following about the functions of cell structures is not correct? Structure Function A cytoplasm provides suitable environment for most cellular activities to take place B nucleus stores genetic material C cell wall gives shape to cell D endoplasmic reticulum releases energy D New Senior Secondary Mastering Biology Chapter 2 Question Bank Multiple-choice questions © Oxford University Press 2009 - 23 - [1A02104] Which of the following chemicals is present in the largest amount in organisms? A water B protein C carbohydrate D nucleic acid A [1A02105] Which of the following statements about inorganic ions in organisms is not correct? A Green plants need nitrate for protein production. B Iron is an important component of haemoglobin. C If the human body lacks magnesium, the muscle cannot contract normally. D Some of the inorganic ions activate enzymes. C [1A02106] * A sample of organic compound was tested. It was proved that the sample contains carbon, hydrogen, oxygen, nitrogen and sulphur. Which of the following is most likely the compound? A phospholipid B cellulose C protein D nucleic acid C [1A02107] * Which of the following statements about the cell theory is/are correct? (1) All cells come from pre-existing cells. (2) The development of the cell theory depends on the invention of microscope. (3) All organisms are made up of two or more cells. A (1) only B (3) only C (1) and (2) only D (2) and (3) only C New Senior Secondary Mastering Biology Chapter 2 Question Bank Multiple-choice questions © Oxford University Press 2009 - 24 - [1A02108] * Which of the following statements about microscopes are correct? (1) The design of the light microscope used today is similar to that in the nineteenth century. (2) Scanning electron microscopes can only produce black and white images. (3) The microscopes most commonly used today are light microscopes, transmission electron mi