Bio Lab

34 Questions | Attempts: 326
Share
SettingsSettings
Please wait...
  • 1/34 Questions

    On of the following are used as negative control 

    • Starch
    • Potato
    • Distelled water
    • Onion
Please wait...
About This Quiz

.

Lab Quizzes & Trivia

Quiz Preview

  • 2. 

    The toxic H2O2 can broken by

    • Lipase

    • Protaeas

    • Catecholase

    • Catalase

    Correct Answer
    A. Catalase
  • 3. 

    The part of the microscope that fix the slide in the place is the 

    • Nosepiece

    • Stage clip

    • Body tube

    • Eye piece

    Correct Answer
    A. Stage clip
  • 4. 

    وهاد السؤال بونص الكم دكاترتنا

    • لجنة الطب البشري

    • - بتتمنالكم التوفيق بامتحانكم

    • ربنا يفتحها عليكم وينور بصيرتكم

    • - قدها والله

    • All of the above

    Correct Answer
    A. All of the above
  • 5. 

    The dye used to stain animal cells (cheek) is:

    • Methylene blue

    • Lugols iodine

    • acid-fast

    • Safranin

    Correct Answer
    A. Methylene blue
  • 6. 

    One of the following is mismatched 

    • Vitamin c / indophenol

    • Benedict s test positive color is red orange

    • Starch / reducing sugar

    • Biuret test / peptide bond

    Correct Answer
    A. Starch / reducing sugar
  • 7. 

    The final electrons receptors in the process of fermentation is 

    • O2

    • H

    • C

    • Organic molecules

    Correct Answer
    A. Organic molecules
  • 8. 

    Reducing sugar have

    • Bounded to aldehyde or ketone

    • Modified aldehyed or ketone

    • Free aldyhyed or ketone

    • Both aldyhyed or ketone

    Correct Answer
    A. Free aldyhyed or ketone
  • 9. 

    The richest source of vitamin c is 

    • Orange

    • Lemon

    • Grapes

    • Potato

    Correct Answer
    A. Lemon
  • 10. 

    CO2 in cellular respiration is produced from

    • Phoshorelation

    • Inhalation

    • Exhalation

    • Activation

    Correct Answer
    A. Exhalation
  • 11. 

    Once your using the oil immersion lens then you are at total magnification of 

    • 100

    • 40

    • 400

    • 1000 or 1500

    • 10

    Correct Answer
    A. 1000 or 1500
  • 12. 

    – you prepared a wet mount slide for an animal cell . In order to have a better contrast for your specimen , you will :

    • . increase the light intensity

    • . decrease the light intensity

    • . stain it with methylene blue

    • Stain it with logo's iodine

    Correct Answer
    A. . stain it with methylene blue
  • 13. 

    Keeping the enzymes at refrigerator  at 4 c will lead to 

    • Activation

    • Inactivation

    • Denaturation

    • Renaturation

    Correct Answer
    A. Inactivation
  • 14. 

    You want to examine   a prepared slide under the microscope but while you are preparing your microscope you noticed a lot of dust on the glass part so in order to clean them you will use

    • Tissue paper

    • Filter paper

    • Lens paper

    • Optiona piece of cloth

    Correct Answer
    A. Lens paper
  • 15. 

    Which of the following statements is false

    • Glycolysis can occur with or without oxygen

    • Glycolysis occur in the mitochondria

    • Glycolysis is the first step in both aerobic and anaerobic respiration

    • Glycolysis produces 2 atp 2 nadph and 2 pyruvate

    Correct Answer
    A. Glycolysis occur in the mitochondria
  • 16. 

    The electron and proton acceptor in the equations below is  glucose + yeast + methylene blue ---- x + leukomethylene

    • Methylene blue

    • Glucose

    • Leukomethylene

    • X

    Correct Answer
    A. Methylene blue
  • 17. 

    During your lap work you prepared a wet amount slide for plant cell the source of specimen

    • Human cheek epithelum

    • A slice of potato

    • Onion epidermis

    • A leaf

    Correct Answer
    A. Onion epidermis
  • 18. 

    Having blue color in the dehydrogenase enzyme activity experiments means

    • The enzyme is active

    • The enzyme is inactive

    • The sample is a negative control

    • Either a or c is correct

    • Either b or c is correct

    Correct Answer
    A. Either b or c is correct
  • 19. 

    Which of the following states are correct about phospholibids

    • Hydrophobic tails of phospholipid face the watery environment

    • Hydrophobic head of the phospholipid face the watery environment

    • Hydrophilic head of phospholipid face the watery environment

    • The linkage between glycerol and the tail is phosphodiester bond

    • Both a and c

    Correct Answer
    A. Hydrophilic head of phospholipid face the watery environment
  • 20. 

    A student was given an unknown sample and she was asked to detect contests by applying different test to it. in order to do this she divided the sample into 3 tubes(1,2,3) and applied Benedict's, Biuret, and starch test and the result were : green, blue and brown, respectively. So, mostly the sample contains:

    • Peptide bond

    • Free aldehyde or Ketone groups

    • bounded aldehyde or Ketone groups

    • starch

    • Vitamin C

    • None of the above

    Correct Answer
    A. Free aldehyde or Ketone groups
  • 21. 

    The total ATP yield in the process of respiration 

    • 30

    • 32

    • 34

    • 36

    Correct Answer
    A. 36
  • 22. 

    The positive results for having catalase activity is ______________, and the source of this enzyme including your lab work was __________.

    • pinkish /brown color, potato Tubers

    • no colot, potato tubers

    • Releasing O2 bubbles, potato tubers

    • releasing O2 bubbles, yeast

    • no color, yeast

    Correct Answer
    A. Releasing O2 bubbles, potato tubers
  • 23. 

    The solubility of fats and lipids in different solvent depends on

    • Polarity of soluation

    • Two answers are correct

    • Polarity of the solvent

    • Amount of water

    • Depends on nothing

    Correct Answer
    A. Polarity of the solvent
  • 24. 

    Which on of the following part of microscope is use for sharpening of the image

    • Fine focus adjustment knob

    • Coarse focus adjustment knob

    • The iris diaphram

    • The condeser lens

    Correct Answer
    A. Fine focus adjustment knob
  • 25. 

    Having violet color after adding biuret reagent to your specimen means that this specimen may contain

    • Peptide bonds

    • Biuret compound

    • Protein

    • All of the above

    Correct Answer
    A. All of the above
  • 26. 

    You have four types of juices A, B, C and d and you apply the final test to detect the amount of ascorbic acid (vitamin C) the research shows that 3, 10, 6 and 17 drops respectively were needed to turn the indophenol into colorless but this is juices in an ascending Arrangement depending on the amount of ascorbic acid each have:

    • . A, B, C then D

    • A, C, D, then D

    • D, B, C then A

    • A, C, B then D

    • B, A, D then C

    Correct Answer
    A. D, B, C then A
  • 27. 

    هل انت مدريدي ولا برشلوني

    • (YMHمدريدي (تحياتي الك شخصيا من

    • (برشلوني (عنا 12 ابطال هههههه

    • اخرين

    • شو انك فاضي

    Correct Answer
    A. شو انك فاضي
  • 28. 

    All these statement are true execpt

    • Compound microscope reveals 2d image

    • Dissecting microscope is useful for large transparent speciman

    • Oil immersion specimen with total magnification of 100 times

    • B+c

    Correct Answer
    A. B+c
  • 29. 

    In order to detect the presence of a reducing sugar you will use:

    • copper sulfate and sodium hydroxide solution

    • Copper sulfate solution under alkaline conditions

    • Lugol's iodine

    • Indophenol

    Correct Answer
    A. copper sulfate and sodium hydroxide solution
  • 30. 

    The site where ribosomal subunits are synthesized is :

    • Nucleolus

    • Nucleus

    • Rough ER

    • Cytoplasm

    Correct Answer
    A. Nucleolus
  • 31. 

    The enzyme dehydrogenase removes hydrogen atoms from glucose and transfer them to :

    • NAD+

    • Various hydrogen acceptors

    • Electrons acceptor dyes like methylene blue when we use it experimentally

    • all of the above

    Correct Answer
    A. all of the above
  • 32. 

    Nucleoid region is :

    • Contains the bacterial chromosome

    • Surrounded by a nuclear envelope

    • is presented in plants and bacterial cells

    • A part of the nucleus

    Correct Answer
    A. Contains the bacterial chromosome
  • 33. 

    All of the following are shared between animal and plant cells except :

    • Peroxisomes

    • Centrioles

    • Lysosomes

    • Cytoskeleton

    Correct Answer
    A. Centrioles
  • 34. 

    According to the " anaerobic respiration of yeast " experiment  , we must wrap each tube with aluminium foil in order to :

    • Prevent oxygen diffusion

    • Ensure that aerobic respiration will occur

    • Prevent photosynthesis

    • To prevent photosynthesis and oxygen diffusion

    Correct Answer
    A. Prevent photosynthesis

Quiz Review Timeline (Updated): Nov 14, 2018 +

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

  • Current Version
  • Nov 14, 2018
    Quiz Edited by
    ProProfs Editorial Team
  • Nov 17, 2017
    Quiz Created by
    Yousef
Back to Top Back to top
Advertisement
×

Wait!
Here's an interesting quiz for you.

We have other quizzes matching your interest.