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ZOO LAB > m1 > Flashcards

m1 Flashcards

1
Q

This is with the use of the senses to notice something. It is something that tickles the mind and leads to asking questions.

A

Observation

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2
Q

This a question which is related to the observation.

A

Identification of the Problem

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3
Q

It is considered as a tentative answer to the problem, since its validity has to be tested and verified.

A

Formulation of the Hypothesis

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4
Q

This is designed to know the validity of the hypothesis. This can be done in the laboratory room with the use of laboratory materials, but this is not always the case, because a simple interview with concerned individuals can be considered a form of experiment.

A

Experimentation

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5
Q

This is the result pf the experiment. It confirms the validity of the hypothesis, which determines whether it is accepted or not. It is therefore considered as the correct answer to the problem.

A

Conclusion

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6
Q

was one of those microscopists who made the first simple and single-lensed microscope.

A

Anton van Leeuwenhoek (1632-1723)

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7
Q

With his microscope, he was able to isolate and observe various organisms from different water sources, human mouth and intestine, in which he identified them as “very little animalcules”.

A

Anton van Leeuwenhoek (1632-1723)

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8
Q

compound microscope composed of 3 parts

A

mechanical parts, illuminating parts, optical parts

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9
Q

Is the “foot” to support the entire microscope.

A

Base

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10
Q

Is the part that connects the base to the other parts of the microscope.

A

Pillar

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11
Q

It is a screw at the sides of the pillar that is used to tilt the microscope.

A

Inclination joint

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12
Q

Is a curve part at one side of the microscope, connecting its upper parts, which are the optical parts, and the lower parts, which are the illuminating parts. This is also considered as the handle used in carrying the microscope

A

Arm

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13
Q

This is a platform that serves as the area where the slide with the specimen to be studied is placed. It is provided with Stage Clips to hold the slide in placed or a Caliper which is a mechanism to hold and move the slide to any directions.

A

Stage

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14
Q

holds the slide in placed

A

clips

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15
Q

mechanism to hold and move the slide to any direction

A

Caliper

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16
Q

The bigger cylindrical tube that gives a considerable distance between the ocular and the objectives.

A

body tube

17
Q

Smaller tube above the body tube, holding the ocular.

A

draw tube

18
Q

A circular structure that protects the objectives from the accumulation of dust particles.

A

dustshield

19
Q

Just below the dustshield where the objectives are attached. It allows easy shifting of the objective lens.

A

revolving nosepiece

20
Q

These are the bigger knobs that are located at the sides of the arm, either at its upper part or lower part. It is used to move the body tube or the stage up and down to achieve the general image of the specimen during initial focusing with the Low Power Objective.

A

Coarse Adjustment Knobs

21
Q

Is the smaller knob which is used when focusing under the High Power Objective or Oil Immersion Objective.

A

fine adjustment knob

22
Q

This functions to gather the amount of light needed in microscopy. It is located just below the stage, and it has two(2) surfaces, the flat or the plane mirror which is used with the natural sunlight or daylight as source of illumination, and the concave surface with the use of artificial light or fluorescent lamp.

A

mirror

23
Q

Iris Diaphragm. This is for the regulation of light.
Abbe Condenser. This is for the concentration of light to the specimen.

A

substage

24
Q

this is for the regulation of light

A

iris diaphragms

25
Q

this is the concentration of light to the specimen

A

abbe condenser

26
Q

This magnifies the secondary image of the specimen and it has magnifying power ranging from 5X to 15X. This is held by the draw tube.

A

Ocular or Eyepiece

27
Q

Magnify the primary image of the specimen. They are held by the revolving nosepiece.

A

objective lens

28
Q

Magnifies the general parts or the entire image of the specimen. It has a magnifying power of 5X - 10X.

A

low power objective

29
Q

Magnifies the detailed parts of the specimen, and has a magnifying power ranging from 40X to 60X.

A

high power objective

30
Q

This is used when examining bacteria or any other microorganisms. It has a magnifying power ranging from 90X to 1000X, It is used with cedar wood oil.

A

oil immersion obejctive

31
Q

Total Magnification of the microscope is determined by the magnifying power of the ocular and the objective lens used, with this formula:

A

TO = MOC X MOB

where: TO = Total Magnification

            MOC = Magnification of the Ocular Lens

            MOB = Magnification of the Objective Lens

ZOO LAB (16 decks)

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