Class 8 Science Chapter 8 MCQ for 2021-2022
|Chapter: 8||Cell: Structure and Function|
|Contents:||MCQ Online Test with Answers|
MCQ Tests with Answers for Class 8 Science Chapter 8
Majority of cells cannot be seen directly with our naked eyes because:
[A]. Organisms are generally unicellular
[B]. Cells are microscopic
[C]. Cells are present only inside the body
[D]. Cells are grouped into tissues
Which of the following statement is or are correct?
[A]. A cell the smallest unit of life which has a definite structure and performs a specific function.
[B]. The group of cells which work together to perform a particular function is called a tissue.
[C]. An organ is a collection of different tissues which work together to perform a particular function in the body of an organism.
[D]. All the above.
Which of the following organelle is not found in the root cells of a plant?
The correct combination of terms with reference to an animal cell is:
[A]. Cell wall, cell membrane, nucleus, plastid
[B]. Cell wall, nucleus, ribosome, chromosome
[C]. Cell membrane, mitochondria, ribosome, chromosome
[D]. Cell membrane, ribosome, mitochondria, chloroplast.
Name the smallest cell:
[A]. Bacteria Mycoplasma
[B]. Ostrich Egg
[C]. Human Egg
[D]. Red blood Cells
The jelly-like fluid substance present in cells is called:
Read the following pairs of examples of organisms. The pair that belongs to the group prokaryotes is:
[A]. [A] Moss and sponge
[B]. Yeast and Amoeba
[C]. Bacteria and blue-green alga
[D]. Penicillium and Spirogyra
Choose the correct statement:
[A]. Genes are located in the chromosomes.
[B]. The cell is located in the nucleus.
[C]. Chromosomes are located in the nucleolus.
[D]. Cell membrane surrounds the nucleus.
Green colour of leaves is due to presence of the pigment:
Read the following sentences carefully, and choose the correct one:
[A]. Different organisms have different number of cells in their bodies.
[B]. The cells in multicellular organisms can have many different sizes.
[C]. The cells in multicellular organisms (plants and animals) have many different shapes.
[D]. All the above.
The part of a cell which plays a role in inheritance is:
[C]. Plasma membrane
Which of the following cell does not have a nucleus?
[A]. White blood cell
[B]. Red blood cell
[C]. Nerve cell
[D]. Muscle cell
Which of the following have cell walls?
[A]. Epidermal cell and Epithelial cell
[B]. Epithelial cell and Mesophyll cell
[C]. Epidermal cell and Mesophyll cell
[D]. Epithelial cell and Liver cell
The unit of measurement used for expressing the dimension (size) of cells is:
Bikash is doing his homework which is given by his teacher. Would you help him to choose the incorrect sentences?
[A]. A hen’s egg is a single cell that is big enough to be seen easily by unaided eye.
[B]. Mitochondria are called the powerhouse of cell.
[C]. Cells were discovered by Robert Hook in 1665.
[D]. Nails and hair are made up of strong cell.
The most important function of the cell membrane is that it:
[A]. Controls the entry and exit of materials from cells.
[B]. Controls only the entry of materials into cells.
[C]. Controls only the exit of materials from cells.
[D]. Allows entry and exit of materials without any control.
Paheli accidentally placed her hand over a flame and immediately pulled it back. She felt the sensation of heat and reacted due to the action of:
[A]. Blood cells
[B]. Skin surface
[C]. Nerve cells
[D]. Nucleus of cells
Payel is completed her science chapter where she wrote some statements. She wants to know whether the statements are correct or not? Payel wants to take help from you:
[A]. Bacteria and blue green algae are prokaryotes.
[B]. The cell having nuclear material without a nuclear membrane around it are called prokaryotic cells.
[C]. The cells having nuclear material enclosed by a nuclear membrane and eukaryotic cells.
[D]. All the above
Identify the statement which is true for cells:
[A]. Cells can be easily seen with naked eyes.
[B]. Insect’s egg is not a cell.
[C]. A single cell can perform all the functions in a unicellular organism.
[D]. The size and shape of cells is uniform in multicellular organisms
Badal appeared in class test but he confused to know the correct statement. Would you help him to know that?
[A]. A plant cell has a cell wall around it whereas an animal cell does not have a cell wall around it.
[B]. In plant cell has a large vacuole in it whereas an animal cell has usually no vacuole.
[C]. Photosynthetic plant cell has chloroplast in it whereas an animal cell does not have chloroplast or other plastids
[D]. All the above
Which of the following feature will help you in distinguishing a plant cell from an animal cell?
[A]. [A] Cell wall
[B]. Cell membrane
Under a microscope, Paheli observes a cell that has a cell wall but no distinct nucleus. The cell that she observes is
[A]. A plant cell
[B]. A nerve cell
[C]. An animal cell
[D]. A bacterial cell
Cheek cells do not have:
[A]. Cell membrane
[B]. Golgi apparatus
In a quiz competition, you are asked a question where you have to choose the statement which is/ are incorrect?
[A]. The plastids containing green pigments are known as chloroplasts.
[B]. Vacuole is a space in the cytoplasm of a cell which is enclosed by a membrane and usually contains substances dissolved in water.
[C]. The main function of cell membrane is to control the passage of materials which go into the cell or go out from the cell.
[D]. None of the above.
In a science quiz competition, Payel is asked a question where she had to choose the statement which was/were incorrect?
[A]. Nucleus controls all the activity of cell.
[B]. Mitochondria are tiny structure of nucleus.
[C]. Gene is a unit of inheritance in living organisms.
[D]. Chloroplast are the green coloured organelles present in the plant cell.
How to prepare class 8 Science Chapter 8?
If you have read once the complete chapter 8, it is advised to see the important questions or MCQ based on the chapter 8 to revise it properly. It will help you to be confident in the class tests or terminal exams.