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Cell - Structure and Functions (Class - VIII)

Questions about cell structure, organelles, functions, and types for Class VIII level biology

14 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

In animal cells, it lies in the centre of the cell whereas in plant cells, it maybe on the periphery. It is the

  1. cell wall
  2. cytoplasm
  3. mitochondria
  4. chloroplast
  5. nucleus
Question 2 Multiple Choice (Single Answer)

Mitochondria are found in large numbers in the cytoplasm of all the cells. Which of the following are used by mitochondria to produce energy?

a. Glucose
b. Hydrogen
c. Oxygen
d. Nitrogen

  1. Only b and c
  2. Only a and c
  3. Only a and b
  4. Only b and d
  5. Only a and d
Question 3 Multiple Choice (Single Answer)

Cell wall is made of cellulose. Which of the following is/are the function(s) of a cell wall?

a. It carries out metabolism.
b. It protects the plant cell.
c. It gives the plant cell a fixed shape.
d. It makes the plant cell rigid.
e. It holds air, water and particles of food.

  1. Only b, c and d
  2. Only e
  3. Only a and b
  4. Only a, b and e
  5. Only c, d and e
Question 4 Multiple Choice (Single Answer)

Which of the following animal cells is long and branched, and has thread-like projections?

  1. Muscle cell
  2. Epithelial cell
  3. Nerve cell
  4. Red blood cell
  5. White blood cell
Question 5 Multiple Choice (Single Answer)

The function of which of the following is to transfer the characteristics from the parents to the offsprings through the genes?

  1. Nucleolus
  2. Cell membrane
  3. Mitochondria
  4. Chloroplasts
  5. Chromosomes
Question 6 Multiple Choice (Single Answer)

The simplest living organisms are made up of only one cell and are called unicellular organisms. Which of the following organisms is/are unicellular?

  1. Amoeba
  2. Euglena
  3. Bacterium
  4. Paramecium
  5. All of the above
Question 7 Multiple Choice (Single Answer)

Which of the following combines carbon dioxide and water in the presence of sunlight to produce food and is absent in the root cells of a plant?

  1. Large vacuole
  2. Chloroplast
  3. Mitochondrion
  4. Cytoplasm
  5. Plasma membrane
Question 8 Multiple Choice (Single Answer)

Which of the following statements is/are false?

a. Scleiden, in 1665, used a microscope to investigate the structure of a thin slice of cork.
b. Cell theory states that the basic unit of structure and function of all living organisms is the cell.
c. Cells obtain their energy in a process called respiration by burning food like glucose.

  1. Only b
  2. Only a
  3. Only a and b
  4. Only c
  5. Only b and c
Question 9 Multiple Choice (Single Answer)

Nucleus is the largest organelle in a cell. Which of the following cells does not have a nucleus?

  1. White blood cell
  2. Muscle cell
  3. Bone cell
  4. Epithelial cell
  5. Red blood cell
Question 10 Multiple Choice (Single Answer)

Which of the following are only present in a plant cell and are absent in an animal cell?

a. Mitochondria
b. Chloroplast
c. Cell wall
d. Cell membrane

  1. Only a and b
  2. Only b and d
  3. Only b and c
  4. Only a and c
  5. Only a and d
Question 11 Multiple Choice (Single Answer)

There are different types of plant cells. Which of the following is not a plant cell?

  1. Cartilage cell
  2. Photosynthetic cell
  3. Xylem cell
  4. Phloem cell
  5. Epidermal cell
Question 12 Multiple Choice (Single Answer)

Which of the following statements is/are false?

a. All the living matter in a cell is called chromatin.
b. All the living cells come only from other living cells.
c. The chloroplasts make food in green plants by the process of photosynthesis.

  1. Only a
  2. Only a and b
  3. Only b
  4. Only b and c
  5. Only c
Question 13 Multiple Choice (Single Answer)

Which of the following cells cannot change their shape?

a. Red blood cells
b. Euglena cells
c. Amoeba cells
d. White blood cells

  1. Only a
  2. Only b and c
  3. Only a and c
  4. Only d
  5. Only a and d
Question 14 Multiple Choice (Single Answer)

All prokaryotes are simple, unicellular organisms having no real nucleus in their cells. Which of the following are prokaryotes?

a. Fungi
b. Protozoa
c. Bacteria
d. Blue-green algae

  1. Only a and b
  2. Only b and c
  3. Only a and c
  4. Only c and d
  5. Only a and d
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