Biology Quiz: Are You Ready To Take This Test?

34 Questions | Attempts: 185
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  • 1/34 Questions

    Which of the following is a macromolecule?

    • Carbohydrate
    • Lipid
    • Protein
    • 1&3
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About This Quiz

Biology quiz: are you ready to take this test? Biology is an exciting study that helps us understand living things their lives and the processes they undergo regularly. In this biology quiz, you will get to review all that you have learned before the main exam. Think you are up for the challenge? How about you try it out and refresh your memory.

Biology Quiz: Are You Ready To Take This Test? - Quiz

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  • 2. 

    During dehydration reaction, a molecule of water is ....

    • Added

    • Removed

    • Produced

    Correct Answer
    A. Removed
  • 3. 

    A protein’s structure determines how it works

    • True

    • False

    Correct Answer
    A. True
  • 4. 

    The flow of genetic information can be summarized as

    • DNA → protein → RNA

    • RNA→ protein → DNA

    • Protein → RNA → DNA

    • DNA → RNA → protein

    Correct Answer
    A. DNA → RNA → protein
  • 5. 
    In this picture, ........... monomers are linked together by ...................... linkage. - ProProfs

    In this picture, ........... monomers are linked together by ...................... linkage.

    • Fructose,α(1–2)glycosidic linkage

    • Glucose,α(1–4)glycosidic linkage

    • Glucose,β(1–4)glycosidic linkage

    • Glucose,α(1–6)glycosidic linkage

    Correct Answer
    A. Glucose,α(1–4)glycosidic linkage
  • 6. 

    ......... is a storage polysaccharide in animals

    • Amylose

    • Glycogen

    • Amylopectin

    • 1&3

    Correct Answer
    A. Glycogen
  • 7. 
    The molecule shown in the picture is ....... - ProProfs

    The molecule shown in the picture is .......

    • Starch

    • Phospholipid

    • Steroid

    • Disaccharide

    Correct Answer
    A. Steroid
  • 8. 
    Which number represents Flagella - ProProfs

    Which number represents Flagella

    • 1

    • 2

    • 3

    • 4

    Correct Answer
    A. 3
  • 9. 

    Which of the following biological molecules are monomer and polymer in the same time

    • Carbohydrates

    • Nucleic acids

    • Lipids

    • Proteins

    Correct Answer
    A. Carbohydrates
  • 10. 

    The measure of the clarity of the image, or the minimum distance of two distinguishable points

    • Magnification

    • Resolution

    • Contrast

    Correct Answer
    A. Resolution
  • 11. 
    This diagram represent   - ProProfs

    This diagram represent  

    • Plasma membrane

    • Nucleus

    • Ribosome

    • Double Cheese Burger

    Correct Answer
    A. Ribosome
  • 12. 

    Which of the following is as an example of Active transport

    • Ion channels

    • Sodium-potassium pump

    • Diffusion

    • Gated channels

    Correct Answer
    A. Sodium-potassium pump
  • 13. 

    Insulin is an example of ......... proteins

    • Contractile and motor

    • Defensive

    • Enzymatic

    • Hormonal

    Correct Answer
    A. Hormonal
  • 14. 
    Cristae and matrix represented by - ProProfs

    Cristae and matrix represented by

    • 1,4

    • 2,3

    • 4,5

    • 1,5

    Correct Answer
    A. 4,5
  • 15. 

    Water diffuses across a membrane from the region of higher solvent concentration to the region of lower solvent  concentration

    • True

    • False

    Correct Answer
    A. True
    Explanation
    higher solvent concentration=lower solute concentration

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  • 16. 

    Which part of the cell is the site of ribosomal RNA (rRNA) synthesis

    • Nucleolus

    • Nuclear lamina

    • Golgi apparatus

    • Vacuoles

    Correct Answer
    A. Nucleolus
  • 17. 
    What is the name and function of the vacuole represented with number 1 - ProProfs

    What is the name and function of the vacuole represented with number 1

    • Central vacuole, holds organic compounds and water

    • Contractile vacuole,pumps excess water out of cells

    • Food vacuole, stores food

    Correct Answer
    A. Central vacuole, holds organic compounds and water
  • 18. 

    Adenine and guanine belong to Purines family

    • True

    • False

    Correct Answer
    A. True
  • 19. 
    In nucleotides, phosphate groups are associated with carbon ... in sugar - ProProfs

    In nucleotides, phosphate groups are associated with carbon ... in sugar

    • 2

    • 3

    • 5

    • 6

    Correct Answer
    A. 5
  • 20. 

    Hydrolysis of glucose  releases glycogen when the demand for sugar increases  

    • True

    • False

    Correct Answer
    A. False
  • 21. 

    ِAll of the following are functions of the smooth ER except

    • Synthesizes lipids

    • Membrane factory for the cell

    • Detoxifies drugs and poisons

    • Metabolizes carbohydrates

    Correct Answer
    A. Membrane factory for the cell
  • 22. 

    The steroid cholesterol has different effects on the membrane fluidity of animal cells at different temperatures, what its effect at cool temperatures

    • Hinders solidification

    • Maintains fluidity by preventing tight packing

    • Restraints movement of phospholipids

    • 1&2

    Correct Answer
    A. 1&2
  • 23. 

    ............ is the internal fluid of chloroplasts

    • Thylakoids

    • Granum

    • Stroma

    Correct Answer
    A. Stroma
  • 24. 

    Microtubules Are the thinnest components of the Cytoskeleton

    • True

    • False

    Correct Answer
    A. False
  • 25. 

     The overall shape of a tertiary structure results from interaction between..

    • Backbone constituents

    • R groups

    • Two or more polypeptide chains

    • All of the above

    Correct Answer
    A. R groups
  • 26. 

    In endocytosis, the cell takes in macromolecules by ..

    • Diffusion

    • Channels carriers

    • Forming vesicles from the plasma membrane

    • Passive transport

    Correct Answer
    A. Forming vesicles from the plasma membrane
  • 27. 

    Mitochondria is one of the Basic features of all cells

    • True

    • False

    Correct Answer
    A. False
  • 28. 

    The type of transport proteins that bind to molecules and change shape to shuttle them across the membrane is

    • Carrier proteins

    • Transport proteins

    • Aquaporin

    Correct Answer
    A. Carrier proteins
  • 29. 

     Golgi apparatus accounts for more than half of the total membrane in many eukaryotic cells

    • True

    • False

    Correct Answer
    A. False
    Explanation
    endoplasmic reticulum (ER)

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  • 30. 

    Resistant individual of HIV have cells with CCR5 on its surface

    • True

    • False

    Correct Answer
    A. False
  • 31. 
    Which number represent a compound that consists of Carbohydrates and Core Protein - ProProfs

    Which number represent a compound that consists of Carbohydrates and Core Protein

    • 1

    • 4

    • 2

    • 6

    Correct Answer
    A. 6
  • 32. 

    Which type of cell junctions fasten cells together into strong sheets

    • Desmosomes

    • Tight junctions

    • Gap junctions

    Correct Answer
    A. Desmosomes
  • 33. 

    What is the function of low-density lipoproteins (LDLs) ?

    • Carry cholesterol

    • Facilitated diffusion

    • Cellular drinking

    • Cotransport

    Correct Answer
    A. Carry cholesterol
  • 34. 

    If we put plant cells in isotonic solution,it will become

    • Normal

    • Lysed

    •  Shriveled

    • Flaccid

    Correct Answer
    A. Flaccid

Quiz Review Timeline (Updated): Mar 21, 2022 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 21, 2022
    Quiz Edited by
    ProProfs Editorial Team
  • Sep 30, 2019
    Quiz Created by
    Pharmacgy

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