Cell - Structure and Functions
| Description: Cell - Structures and Functions | |
| Number of Questions: 30 | |
| Created by: Anumati Koshy | |
| Tags: Science Class 8 Flame, Structure of a Flame Combustion, Types of Combustion Combustion and Flame Fuel, Fuel Efficiency, Harmful Effects on Burning of Fuels Cell Structure, Function, Camparison of Plant and Animal Cells. Cell, Variety in Cell Number, Shape and Size Cell - Structure and Functions |
Which of the following scientists concluded that cork is made of tiny cells?
Which of the following organisms consists of only one cell?
Which of the following part is present only in a plant cell and not in an animal cell?
Which of the following is not a basic part of a cell?
Which of the following statements is/are false? a. Cell theory states that the basic unit of structure and function of all living organisms is the cell. b. All cells arise from pre-existing cells by the process of cell multiplication. c. Cells are the building block of plants and animals.
Which of the following scientists in 1838 suggested that all plants are made up of cells?
Which of the following organelles is the largest in a cell?
Match the following:
| a. Cell membrane | 1. It is a transparent, jelly-like material which fills the cell. |
| b. Cytoplasm | 2. It is a large, spherical organelle present in all cells. |
| c. Nucleus | 3. It is the thin sheet of skin by which every cell is covered. |
Which of the following when taken together, makes up the protoplasm? a. Cytoplasm b. Mitochondria c. Nucleus d. Vacuole
Which of the following statements is/are false? a. All living cells only come from other living cells. b. As cells are living units, they do not require energy. c. A cell is the smallest unit of life, which has a definite structure and performs a specific function.
Which of the following is not a function of the cell membrane?
Which of the following cells do not have a nucleus?
Which of the following is an animal cell?
Which of the following statements is/are false? a. In animal cells, the nucleus lies on the periphery of the cell. b. The various structures present in the cytoplasm of a cell are called 'organelles'. c. The cytoplasm of all cells contain organelles like mitochondria, golgi bodies, etc.
Match the following:
| a. Mitochondria | 1. It is a space in the cytoplasm of a cell, which is enclosed by a membrane and usually contains substances dissolved in water. |
| b. Chloroplasts | 2. They are tiny rod-shaped or spherical organelles, which are found in all the cells. |
| c. Vacuole | 3. They are green colour organelles present in the cytoplasm of plant cells. |
Which of the following statements is/are false? a. Nucleus is separated from the cytoplasm by a membrane called nuclear membrane. b. Nucleus contains thread-like structures called the vacuoles. c. Nucleus controls all the activities of cell.
The compounds of which of the following element is not used in the making of most of the protoplasm?
Which of the following is not an example of prokaryotes?
Which of the following statements is/are false? a. Mitochondria provides energy for all the activities of the cell. b. Mitochondria uses glucose and hydrogen to produce energy. c. Compounds like water, carbohydrates, proteins, etc., are present in the protoplasm.
Which of the following is not a eukaryote?
Which of the following is/are not the property of the cell wall? a. Cell wall gives shape and support to the plant cell. b. Cell wall holds the plant together and gives strength to the plant. c. The tough cell walls, present in the animal cells provides protection to animals.
Which of the following statements is/are false: a. The organelles containing pigments present in the cytoplasm of plant cells are called plastids. b. The process of food making takes place in the chloroplasts. c. In the chloroplasts, oxygen and water combine in the presence of sunlight to form glucose.
Which of the following statements is/are false? a. Plant cells have a very small vacuole. b. The function of the vacuole in a cell is to store various substances including waste products of the cell. c. The vacuole is filled with a liquid which contains dissolved sugars and salts.
Which of the following is not a similarity between a plant cell and an animal cell?
Which of the following is a plant cell?
Which of the following statements is/are false? a. Different organisms have same number of cells in their bodies. b. The cells in a multicellular organism have many different shapes. c. The cells in a multicellular organism can have many different sizes.
Which of the following is not a unicellular organism?
Match the following:
| Bodies | Functions in an animal cell |
| a, Mitochondria | 1. To hold air, water and particles of food. |
| b. Vacuole | 2. To carry out all the activities of the life processes. |
| c. Cytoplasm | 3. To carry out respiration for releasing energy from food. |
Which of the following statements is/are false? a. The number of cells being less in an organism does affect the functioning of the small organisms. b. Staining of plant and animal specimens is done to identify the different components of a cell easily through a microscope. c. The organisms, which are made up of only one cell, are called unicellular organisms.
Match the following:
| a. Prokaryotic cells | 1. are the cells having nuclear material enclosed by a nuclear membrane |
| b. Prokaryotes | 2. are the organisms, whose cells possess a nucleus bound by a nuclear membrane |
| c. Eukaryotic cells | 3. are the cells, which have nuclear material without a nuclear membrane around it |
| d. Eukaryotes | 4. are the simple organisms, whose cells do not possess a nucleus bound by a nuclear membrane |