CBSE Questions for Class 8 Biology Cell Structure And Functions Quiz 3 - MCQExams.com

Match the following and pick the correct options given.  
Cell organelleFunction
a. Endoplasmic reticulumTake part in cellular respiration
b. Free ribosomesTake part in osmoregulation and excretion
c. MitrochondrionSynthesize lipids
d. Contractile vacuoleSynthesize non secretory proteins
  • a- 3, b- 4, c- 1, d- 2
  • a- 1, b- 2, c- 4, d- 3
  • a- 3, b- 4, c- 2, d- 1
  • a- 3, b- 2, c- 1, d- 4
The membrane bound organelles occur in
  • Blue green algae
  • Bacteria
  • Eukaryotic cell
  • All of the above
Cell is called as the structural and functional units of life because_________.
  • All organisms are formed of cells.
  • All cells are biochemical reaction house.
  • ATP is synthesized within cells.
  • All of the above.
A cell can be declared dead, when it_______.
  • Loses its capacity to divide but otherwise physiologically active due to intact nucleus
  • Has lost its cytoplasm
  • Is metabolically dead
  • Both B and C
The structural unit of a living being is
  • Atom
  • Molecule
  • Compound substance
  • Cell
The cells with no membrane-bound organelles and nuclear membrane are
  • Plant cells
  • Animal cells
  • Prokaryotic cells
  • Eukaryotic cells
.......... is the basic unit of life.
  • Cell
  • Tissue
  • System
  • Organism
A cell is a building unit of an organism. Select the correct statements.
  • In unicellular organisms, a single cell is capable of performing all the functions of life
  • In multicellular organisms, a single cell is capable of performing all the functions of life
  • Both A and B
  • None of these
Onion cells and cheek cells are the examples of prokaryotic cell.
  • True
  • False
The component of the cell with hereditary material is:
  • Nucleus
  • Endoplasmic reticulum
  • Cytoplasm
  • Vacuole
Tissue is formed by the combination of  _____.
  • Organs
  • Organ systems
  • Cells
  • All of the above
Plant cells differ from animal cells in having __________.
  • Cell wall
  • Plastids
  • A large central vacuole
  • All of these
Cells are able to live and perform its functions due to the presence of_________________
  • Organelles
  • Lysosomes
  • Cell wall
  • Ribosomes
Where are the chromosomes found in cell? 
  • Nucleus
  • Cytoplasm
  • Lysosome
  • Ribosome
The basic living structure of an organism is an organ.
  • True
  • False
What is the appropriate difference between plant cells and animal cells?
  • Plant cell- cell wall is present, Animal cell- cell wall is absent
  • Plant cell- cell wall is absent, Animal cell- cell wall is present
  • Plant cell- cell wall is present, Animal cell- cell wall is present
  • Plant cell- cell wall is absent, Animal cell- cell wall is absent
Bacterial cells differ from eukaryotic cells in not having:
  • DNA
  • Cytoplasm
  • Cell membrane
  • A well-defined nucleus
Several tissues combine to form_________________
  • Organ
  • Organism
  • Cell
  • Cytoplasm
A cell is considered to be a fundamental unit of life because___________________
  • It has various organelles.
  • An organism is made up of cells.
  • It is the smallest structure that exhibits growth, metabolism, self regulation and self duplication.
  • No smaller unit has yet been tested by scientists so far.
Correct statement regarding Vacuoles is? 
  • It is non-living inclusion found in the cytoplasm
  • It is filled with water and other organic substances
  • It is large in plant cell
  • All of the above
The main difference between the prokaryotic cell and the eukaryotic cell is that in the prokaryotic cell there is no:
  • Cell membrane
  • Cell wall
  • Genes
  • Distinct nucleus
Cells are limited in size by the 
  • Rate at which substances needed by the cell can enter the cell through its surface
  • Amount of material the cell can collect itself
  • Rate at which the cell can manufacture the genetic information
  • Amount of cell membrane the cell can produce
 Which of the following types of cell has a well-developed nucleus?
  • Prokaryotic
  • Eukaryotic
  • Both A and B
  • None of the above
Tissue is formed by the combination of
  • Organs
  • Organ systems
  • Cells
  • Organisms
Which of the following statements is true?
  • The structural unit of living things is molecule.
  • All animals are autotrophs.
  • All organisms reproduce sexually.
  • Organisms follow a life cycle of birth, growth, reproduction, ageing and death.
Each cell of unicelluler organism performs certain functions such as____________
  • Nutrition
  • Transport
  • Excretion and reproduction
  • All of the above
Living organisms are grouped into eukaryotes and prokaryotes on the basis of ____________.
  • Nucleus
  • Ribosomes
  • Plasma membrane
  • None of the above
State whether the following statement is true or false.
Prokaryotes are organisms without a true nucleus.
  • True
  • False
The key difference in the animal and plant cells is:
  • Absence of cell wall in animals
  • Absence of plasma membrane in plants
  • Absence of cell wall in plants
  • There is no difference in their structure
"Division of labour" in multicellular animals means:
  • All functions are performed by a single type of cell.
  • A function is performed jointly by many cells.
  • Different functions are performed by different types of cells.
  • Different functions are performed at different times by a single cell type.
0:0:1


Answered Not Answered Not Visited Correct : 0 Incorrect : 0

Practice Class 8 Biology Quiz Questions and Answers