Kosice - Biology - 1 To 50

50 Questions | Total Attempts: 24

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Kosice - Biology - 1 To 50 - Quiz


Questions and Answers
  • 1. 
    1. Which of the following statements are the part of the cell theory:
    • A. 

       a. only animals are composed of cells

    • B. 

      B. all cells consist of the same elements and molecules

    • C. 

      C. all cells come from existing cells

    • D. 

      D. all living things are made of cells

    • E. 

      E. cells are the basic units of structure and function in all living organisms

    • F. 

      F. cells must contain DNA

    • G. 

      G. all cells are surrounded by the plasma membrane

    • H. 

      H. all cells have the ability of storing and replicating the genetic information

  • 2. 
    2. Bacteria:
    • A. 

      A. are the simplest cellular organisms

    • B. 

      B. are prokaryotes

    • C. 

      C. may form multicellular organisms

    • D. 

      D. can only form unicellular organisms

    • E. 

      E. may have numerous membranous organelles

    • F. 

      F. have no membranous compartments within a cell

    • G. 

      G. contain large central vacuoles

    • H. 

       h. are usually surrounded by a strong cell wall

  • 3. 
    3. Which of the following statements are correct:
    • A. 

      A. DNA contains the four different bases A, G, U, and C

    • B. 

      B. nucleic acids contain sugar groups

    • C. 

      C. plants have chloroplasts and therefore can live without mitochondria

    • D. 

      D. cytosol is only present in eukaryotic cells

    • E. 

      E. ribosomes become linked by an mRNA molecule to form polyribosomes

    • F. 

      F. cytoplasmic membrane consists of phospholipid double layer and peripheral and integral proteins

    • G. 

      G. lysosomes digest only substances that have been taken up by endocytosis

    • H. 

      H. cell wall is permeable

  • 4. 
    5. Cytoplasmic membrane:
    • A. 

      A. is usually the only biomembrane in prokaryotic cells

    • B. 

      B. regulates the intake of substances into the cell

    • C. 

      C. is called plasmalemma

    • D. 

      D. is called nuclear membrane

    • E. 

      E. belongs to basic cellular surfaces

    • F. 

      F. contains receptors so cells can receive signals

    • G. 

      G. forms the environment for life and metabolic activity of organelles

    • H. 

      H. primarily provides mechanical protection of the cell

  • 5. 
    4. The basic cell surfaces of eukaryotic cells include:
    • A. 

      A. plasmalemma

    • B. 

      B. nuclear envelope

    • C. 

      C. cuticle

    • D. 

      D. pellicle

    • E. 

      E. cell wall

    • F. 

      F. cytoplasmic membrane

    • G. 

      G. slime capsule

    • H. 

      H. nuclear membrane

  • 6. 
    8. What is the name of the jelly-like substance inside the cell:
    • A. 

      A. cytoplasm

    • B. 

      B. cytokinesis

    • C. 

      C. cytosol

    • D. 

      D. plasma membrane

    • E. 

      E. matrix

    • F. 

      F. plasmalemma

    • G. 

      G. karyon

    • H. 

      H. karyolemma

  • 7. 
    6. There are two basic types of cells:
    • A. 

      A. plant and animal

    • B. 

      B. nuclear and nucleus-free

    • C. 

      C. differentiated and non-differentiated

    • D. 

      D. prokaryotic and eukaryotic

    • E. 

      E. microscopic and submicroscopic

    • F. 

      F. simple and compound

    • G. 

      G. membrane and non-membrane

    • H. 

      H. somatic and germ

  • 8. 
    7. Which of the following organelles are found in plant cells but not in animal cells:
    • A. 

      A. mitochondria

    • B. 

      B. endoplasmic reticulum

    • C. 

      C. central vacuole

    • D. 

      D. Golgi apparatus

    • E. 

      E. chloroplasts

    • F. 

      F. nucleolus

    • G. 

      G. lysosomes

    • H. 

      H. ribosomes

  • 9. 
    11. Eukaryotic cells, unlike prokaryotic ones:
    • A. 

      A. have membrane-bounded organelles

    • B. 

      B. do not have membrane-bounded organelles

    • C. 

      C. have a nucleus bounded by double membrane

    • D. 

      D. do not have nuclear envelope

    • E. 

      E. have circular nuclear chromosomes

    • F. 

      F. possess a nucleus

    • G. 

      G. have their internal space compartmentalized into organelles

    • H. 

      H. contain DNA as a store of genetic information

  • 10. 
    9. Prokaryotic cells do not have:
    • A. 

      A. plastids

    • B. 

      B. membrane-bounded organelles

    • C. 

      C. ribosomes

    • D. 

      D. nucleus

    • E. 

      E. cytoplasmic membrane

    • F. 

      F. DNA

    • G. 

      G. nucleolus

    • H. 

      H. mitochondria

  • 11. 
    10. Biomembranes consist of:
    • A. 

      A. a double layer of proteins and molecules of saccharides

    • B. 

      B. a double layer of lipids and integral and peripheral proteins

    • C. 

      C. a double layer of phospholipids and a double layer of saccharides

    • D. 

      D. a single layer of phospholipids and two layers of the molecules of proteins

    • E. 

      E. molecules of phospholipids which form a double layer and molecules of proteins

    • F. 

      F. the external protein layer and the internal lipid layer

    • G. 

      G. integral and peripheral lipids and molecules of proteins

    • H. 

      H. a double layer of phospholipids, in which molecules of proteins are immersed

  • 12. 
    12. Animal cells, unlike plant cells:
    • A. 

      A. are separated from the external environment by a cytoplasmic membrane

    • B. 

      B. contain lysosomes filled with enzymes that degrade polymers into their monomeric subunits in the cell

    • C. 

      C. contain vacuoles

    • D. 

      D. are surrounded by the polysaccharide cell walls

    • E. 

      E. may have plasmodesmata that connect neighbouring cells

    • F. 

      F. do not have any cell wall

    • G. 

      G. have a tonoplast

    • H. 

      H. may contain myofibrils, tonofibrils, neurofibrils

  • 13. 
    13. The cytoskeleton of a cell:
    • A. 

      A. enables for spatial division of organelles in the cell

    • B. 

      B. represents a static skeleton of the cell

    • C. 

      C. is employed in the process of diffusion

    • D. 

      D. is employed in the process of phagocytosis

    • E. 

      E. is employed in the process of pinocytosis

    • F. 

      F. is employed in the process of osmosis

    • G. 

      G. is composed of nucleoprotein fibres

    • H. 

      H. has kinetic, mechanical and supportive functions

  • 14. 
    14. Rough endoplasmic reticulum:
    • A. 

      A. is the site of vitamin D synthesis

    • B. 

      B. is the site of lipid synthesis

    • C. 

      C. lacks ribosomes

    • D. 

      D. is the site of protein synthesis

    • E. 

      E. has the outer side of membrane studded with ribosomes

    • F. 

      F. plays role in the intracellular transport of substances

    • G. 

      G. plays role in the intercellular transport of substances

    • H. 

      H. does not belong to membrane-bounded organelles of the cell

  • 15. 
    15. Smooth endoplasmic reticulum:
    • A. 

      A. does not have the outer side of membrane studded with ribosomes

    • B. 

      B. is visible under the light microscope

    • C. 

      C. participates in the synthesis of lipids

    • D. 

      D. functions in lipid production and metabolism

    • E. 

      E. contains mainly hydrolytic enzymes

    • F. 

      F. has the inner side of membrane studded with ribosomes

    • G. 

      G. is the site of protein synthesis

    • H. 

      H. plays role in the intracellular transport of some substances

  • 16. 
    16. Lysosomes:
    • A. 

      A. act in lytic processes in the cell

    • B. 

      B. are present in animal cells

    • C. 

      C. are present in prokaryotic cells

    • D. 

      D. are present in plant cells

    • E. 

      E. modify the substances synthesized on ribosomes, so they may be excreted out of the cell

    • F. 

      F. contain hydrolytic enzymes used for intracellular digestion

    • G. 

      G. transfer molecules between different compartments

    • H. 

      H. digest worn out organelles

  • 17. 
    17. Mitochondria are:
    • A. 

      A. present only in eukaryotic cells

    • B. 

      B. organelles with two membranes

    • C. 

      C. energy centre of the cell

    • D. 

      D. present in some of the prokaryotic cells

    • E. 

      E. metabolic-respiratory centre of the cell

    • F. 

      F. synthetic centre of the cell

    • G. 

      G. present in numbers that directly correlate with the level of cell metabolic activity

    • H. 

      H. present only in animal cells

  • 18. 
    18. Cell nucleus:
    • A. 

      A. is called as nucleoid in eukaryotic cells

    • B. 

      B. is called as nucleolus

    • C. 

      C. consists mainly of RNA and proteins

    • D. 

      D. of eukaryotic cells contains circular chromosomes

    • E. 

      E. contains the DNA and proteins, which form chromatin

    • F. 

      F. has nuclear envelope on the surface

    • G. 

      G. has plasmalemma on the surface

    • H. 

      H. is surrounded by double membrane

  • 19. 
    19. Ribosomes:
    • A. 

      A. belong to membrane-bounded organelles of the cell

    • B. 

      B. can be seen using a light microscope

    • C. 

      C. are submicroscopic particles

    • D. 

      D. do not belong to membrane-bounded organelles of the cell

    • E. 

      E. are only visible in an electron microscope

    • F. 

      F. are attached to the smooth endoplasmic reticulum

    • G. 

      G. are macromolecular structures composed of DNA and proteins

    • H. 

      H. are macromolecular structures composed of rRNA and proteins

  • 20. 
    20. Mitochondria:
    • A. 

      A. are organelles with single membrane

    • B. 

      B. are organelles with double membrane

    • C. 

      C. synthesize their own specific proteins

    • D. 

      D. have the molecules of the DNA in the matrix

    • E. 

      E. have the enzyme complex for the Krebs cycle in the matrix

    • F. 

      F. are filled with stroma

    • G. 

      G. represents a dynamic skeleton of the cell

    • H. 

      H. have enzymes of the oxidative phosphorylation localized on the mitochondrial cristae

  • 21. 
    24. The cytoskeleton of the cell:
    • A. 

      A. belongs to membranous structures

    • B. 

      B. is necessary for all types of cellular active movements

    • C. 

      C. represents a dynamic structure of the cell

    • D. 

      D. represents a static structure of the cell

    • E. 

      E. belongs to fibrous structures

    • F. 

      F. belongs to non-living parts of the cell

    • G. 

      G. is formed by microtubules, microfilaments, and intermediate filaments

    • H. 

      H. is formed by nucleoprotein fibres

  • 22. 
    23. Dictyosomes:
    • A. 

      A. are part of chloroplasts

    • B. 

      B. comprise the Golgi apparatus

    • C. 

      C. are similar to lysosomes

    • D. 

      D. are part endoplasmic reticulum

    • E. 

      E. are present in prokaryotic cells

    • F. 

      F. are found in eukaryotic cells

    • G. 

      G. are part of the endomembrane system in the cytoplasm

    • H. 

      H. are stacks of flat, membrane bounded cisternae

  • 23. 
    25. Nucleolus:
    • A. 

      A. is in the cytoplasm and consists of the RNA and proteins

    • B. 

      B. is in the nucleus and consists of the DNA and proteins

    • C. 

      C. is a permanent structure of the nucleus

    • D. 

      D. is made up of rRNA and proteins

    • E. 

      E. is a region where rRNA synthesis occurs

    • F. 

      F. is a structure which disappears during the cell division

    • G. 

      G. has a nucleolar envelope

    • H. 

      H. is localized into the cytoplasm of prokaryotic cells

  • 24. 
    22. Golgi apparatus:
    • A. 

      A. is responsible for transporting, modifying, and packaging of proteins

    • B. 

      B. is responsible for transporting, modifying, and packaging lipids into vesicles for delivery to targeted destinations

    • C. 

      C. is important for lysosome formation

    • D. 

      D. is important for formation of secretory vesicles

    • E. 

      E. is located in the cytoplasm of prokaryotic cells

    • F. 

      F. acts as storage compartment for nutrients and wastes of the cell

    • G. 

      G. is responsible for cell oxidations

    • H. 

      H. is made up of approximately four to eight cisternae

  • 25. 
    26. Nucleus of eukaryotic cells:
    • A. 

      A. contains chromatin

    • B. 

      B. contains centriole

    • C. 

      C. is the control centre of the cell

    • D. 

      D. contains the majority of the cell’s genetic material

    • E. 

      E. has nuclear envelope made of one biomembrane only

    • F. 

      F. is present in all cells of our body

    • G. 

      G. is a submicroscopic structure

    • H. 

      H. occurs in all eukaryotic cells except some highly specialised ones

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