Biotechniques Participant Copy

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Transcript of Biotechniques Participant Copy

  • BIOTECHNIQUES

    Mr. Thaddeus Owen D. Ayuste Faculty of Science, Technology and

    Mathematics

    College of Teacher Development Philippine Normal University

    1

  • 1. A teacher will show actual feeding habits of some animals to his students. Which will be the best visual aid?

    A. Microtechniques

    B. Taxidermy

    C. Herbarium

    D. Aquarium

    2

    From Part II: Analyzing Test Items-Question # 4

  • 1. A teacher will show actual feeding habits of some animals to his students. Which will be the best visual aid?

    3

    Micro techniques

    Taxidermy

    Herbarium

    Aquarium

    From Part II: Analyzing Test Items-Question # 4

  • 2. Luis is ready to cut specimens thinly for slide preparation. What instrument does he need?

    A. Stain

    B. Incubator

    C. Microtome

    D. Fine needles

    4

    From Part II: Analyzing Test Items-Question # 5

  • 2. Luis is ready to cut specimens thinly for slide preparation. What instrument does he need?

    5

    Sectioning

    Stain

    Incubator

    Microtome

    Fine needles

    From Part II: Analyzing Test Items-Question # 5

  • 3. If an incubator is to be improvised, which will provide the source of heat?

    A. Bulb

    B. Lightning

    C. Porcelain

    D. Thermometer

    6

    From Part II: Analyzing Test Items-Question # 6

  • 3. If an incubator is to be improvised, which will provide the source of heat?

    7

    Bulb

    Lightning

    Porcelain

    Thermo- meter

    From Part II: Analyzing Test Items-Question # 6

  • 4. A teacher will use herbarium in teaching. Which topic is suitable for herbarium?

    A. Identifying the name of the plant

    B. Osmosis of water to leaves

    C. Showing photosynthesis

    D. Respiration in plants

    8

    From Part II: Analyzing Test Items-Question # 22

  • 4. A teacher will use herbarium in teaching. Which topic is suitable for herbarium?

    9

    Preserved plants; dead plants

    Identifying the name of the plant

    Osmosis of water to leaves

    Showing photosynthesis

    Respiration in plants

    From Part II: Analyzing Test Items-Question # 22

  • 5. A teacher will use taxidermy in teaching. Which topic is suitable for taxidermy?

    A. Skin covering

    B. Feeding habits

    C. Skeletal system

    D. Muscular system

    10

    From Part II: Analyzing Test Items-Question # 23

  • 5. A teacher will use taxidermy in teaching. Which topic is suitable for taxidermy?

    11

    Integument is given utmost importance

    Skin is preserved

    Good for aquarium

    Skeleton is removed in taxidermy

    Muscles are removed in taxidermy

    Skin covering

    Feeding habits

    Skeletal system

    Muscular system

    From Part II: Analyzing Test Items-Question # 23

  • 6. In Microtechniques, what comes last?

    A. Drying, cleaning, and labeling

    B. Deceration, staining and mounting

    C. Washing, dehydration and clearing

    D. Infiltration, embedding and sectioning

    12

    From Part II: Analyzing Test Items-Question # 24

  • 6. In Microtechniques, what comes last?

    13

    Labeling of slides

    With Labeling

    No Labeling

    No Labeling

    No Labeling

    Drying, cleaning, and labeling

    Deceration, staining and mounting

    Washing, dehydration and clearing

    Infiltration, embedding and sectioning

    From Part II: Analyzing Test Items-Question # 24

  • 7. In the absence of a microtome, free hand section can be used. What cutting material is recommended?

    A. Probe

    B. Scalpel

    C. Forceps

    D. Microscope

    14

    From Part II: Analyzing Test Items-Question # 25

  • 7. In the absence of a microtome, free hand section can be used. What cutting material is recommended?

    15

    Cutting

    Probe

    Scalpel

    Forceps

    Microscope

    From Part II: Analyzing Test Items-Question # 25

  • 8. Juan is a taxonomist. He correctly gives scientific names of plant specimens collected in the field. Which will greatly help Juan in naming?

    A. Microtechniques

    B. Herbarium

    C. Aquarium

    D. Terrarium

    16

    From Part III: Enhancing Test taking Skills-Question # 9

  • 8. Juan is a taxonomist. He correctly gives scientific names of plant specimens collected in the field. Which will greatly help Juan in naming?

    17

    Classification; naming

    Micro- techniques

    Herbarium

    Aquarium

    Terrarium

    From Part III: Enhancing Test taking Skills-Question # 9

  • 9. A teacher wants to show blood samples on a slide. Which method will she use?

    A. Squashing

    B. Smearing

    C. Teasing

    D. Paraffin

    18

    From Part III: Enhancing Test taking Skills-Question # 10

  • 9. A teacher wants to show blood samples on a slide. Which method will she use?

    19

    Liquid

    Squashing

    Smearing

    Teasing

    Paraffin

    From Part III: Enhancing Test taking Skills-Question # 10

  • 10. The following are steps in microtechinques, a procedure of making slides. Which comes first?

    A. Anesthetization

    B. Sectioning

    C. Dissection

    D. Mounting

    20

    From Part III: Enhancing Test taking Skills-Question # 11

  • 10. The following are steps in microtechinques, a procedure of making slides. Which comes first?

    21

    Specimens must feel the least pain

    Anesthe- tization

    Sectioning

    Dissection

    Mounting

    From Part III: Enhancing Test taking Skills-Question # 11

  • 11. Which chemical is usually used in preserving specimen in microtechniques?

    A. Formalin

    B. Xylene

    C. Water

    D. Stain

    22

    From Part III: Enhancing Test taking Skills-Question # 12

  • 11. Which chemical is usually used in preserving specimen in microtechniques?

    23

    Prevents further damage to the specimen; fixation

    Preservation

    Clearing

    Washing; solvent

    Coloration

    From Part III: Enhancing Test taking Skills-Question # 12

    Formalin

    Xylene

    Water

    Stain

  • 12. A teacher wants to show the movement of animals in his lesson. What should he use?

    A. Herbarium and taxidermy

    B. Terrarium and herbarium

    C. Terrarium and taxidermy

    D. Aquarium and terrarium

    24

    From Part III: Enhancing Test taking Skills-Question # 14

  • 12. A teacher wants to show the movement of animals in his lesson. What should he use?

    25

    Proof of being alive

    Herbarium and taxidermy

    Terrarium and herbarium

    Terrarium and taxidermy

    Aquarium and terrarium

    From Part III: Enhancing Test taking Skills-Question # 14

    X

    X

    X

    X

  • 13. Which instrument can substitute a microtome?

    A. Pin

    B. Scalpel

    C. Incubator

    D. Thermometer

    26

    From Part III: Enhancing Test taking Skills-Question # 15

  • 13. Which instrument can substitute a microtome?

    27

    For cuting; for sectioning

    From Part III: Enhancing Test taking Skills-Question # 15

    Pin

    Scalpel

    Incubator

    Thermo- meter

  • 14. A teacher asks students to prepare pollen grains on slides. Which skill is needed?

    A. Setting up of aquarium

    B. Preparing taxidermy

    C. Making herbarium

    D. Microtechiques

    28

    From Part III: Enhancing Test taking Skills-Question # 21

  • 14. A teacher asks students to prepare pollen grains on slides. Which skill is needed?

    29

    Microscopic

    From Part III: Enhancing Test taking Skills-Question # 21

    Setting up of aquarium

    Preparing taxidermy

    Making herbarium

    Microtechiques

  • 15. In culturing bacteria, agar is used. Which is NOT a reason for this use?

    A. liquefies at 1000C and remains liquid until about

    400C

    B. may be used in petri dish or test tube

    C. hard to prepare in the laboratory room

    D. few microbes can degrade it

    30

    From Part III: Enhancing Test taking Skills-Question # 22

  • 15. In culturing bacteria, agar is used. Which is NOT a reason for this use?

    31

    Growing bacteria

    True for agar

    True for agar

    False for agar

    True for agar

    From Part III: Enhancing Test taking Skills-Question # 22

    liquefies at 1000C and remains liquid until about 400C

    may be used in petri dish or test tube

    hard to prepare in the laboratory room

    few microbes can degrade it

  • 16. Hay infusion is used for protist study. It has to be left for a few days before using. Why?

    A. Prevents bacteria from colonizing

    B. Releases energy from the protists

    C. Allows growth of protist population

    D. Ensures sunlight kills the unwanted organisms

    32

    From Part III: Enhancing Test taking Skills-Question # 23

  • 16. Hay infusion is used for protist study. It has to be left for a few days before using. Why?

    33

    No protists yet in the initial setup of hay infusion

    Bacteria are posssible food of the protist

    Hay is the source of food for bacteria

    Protist will exist once food is available for them

    Sunlight will not kill the organisms

    From Part III: Enhancing Test taking Skills-Question # 23

    Prevents bacteria from colonizing

    Releases energy from the protists

    Allows growth of protist population

    Ensures sunlight kills the unwanted organisms

  • 17. Which water source can be a direct substitute for hay infusion?

    A. Pond

    B. Rain

    C. Soil

    D. Tap

    34

    From Part III: Enhancing Test taking Skills-Question # 24

  • 17. Which water source can be a direct substitute for hay infusion?

    35

    Liquid

    Liquid; usually with prostists

    Liquid; no time for the protist to grow

    Solid

    Liquid; usually treated with chlorine

    From Part III: Enhancing Test taking Skills-Question # 24

    Pond

    Rain

    Soil

    Tap

  • 18. Which is a good technique to use in preparing blood specimens?

    A. Squashing

    B. Smearing

    C. Grinding

    D. Teasing

    36

    From Part III: Enhancing Test taking Skills-Question # 25

  • 18. Which is a good technique to use in preparing blood specimens?

    37

    Liquid

    From Part III: Enhancing Test taking Skills-Question # 25

    Squashing

    Smearing

    Grinding

    Teasing

  • 19. Which chemical is usually used in dehydration of specimen in microtechniques?

    A. Formalin

    B. Alcohol

    C. Xylene

    D. Water

    38

    Additional Question

  • 19. Which chemical is usually used in dehydration of specimen in microtechniques?

    39

    Removal of water

    Additional Question

    Formalin

    Alcohol

    Xylene

    Water

    For preservation For clearing

    For washing For dehydration

  • 20. An entire ant is chosen to be the specimen for mounting. What should be included in the label of the slide?

    A. wm

    B. cs

    C. eg

    D. ls

    40

    Additional Question

  • 20. An entire ant is chosen to be the specimen for mounting. What should be included in the label of the slide?

    41

    Whole Additional Question

    wm

    cs

    eg

    ls

    Whole mount

    Cross section

    Example

    Longitudinal section

  • God bless in your LET! 42