COMPOUND MICROSCOPE

Question 1

MICROSCOPE

Answer 1

• USED TO INVESTIGATE ORGANISMS THAT ARE TOO DIFFICULT TO SEE WITH THE NAKED EYE
• ANTON VAN LEEUWENHOEK, ‘FATHER’ OF MICROSCOPY, BUILT AND USED THE FIRST SINGLE LENS MICROSCOPE
• BLOODN BACTERIA, YEASTS AND PROTISTS WERE THE FIRST CELL TYPES OBSERVED

Question 2

COMPOUND MICROSCOPE

Answer 2

• USES A TWO LENS SYSTEM

Question 3

MAGNIFICATION

Answer 3

• APPARENT ENHANCEMENT OF A SPECIMEN

Question 4

RESOLUTION

Answer 4

• ALSO KNOWN AS RESOLVING POWER
• THE ABILITY TO DISTINGUISH BETWEEN 2 POINTS/ THE GREATER THE RESOLUTION, THE CLOSER 2 POINTS CAN BE TO ONE ANOTHER WHILE STILL BEING DISTINGUISHABLE AS 2 DISTINCT POINTS

Question 5

NUMERICAL APERTURE

Answer 5

• RELATED TO RESOLUTION

- THE HIGHER THE NUMERICAL APERTURE, THE BETTER THE RESOLUTION

Question 6

CONTRAST

Answer 6

• THE DEGREE TO WHICH A SPECIMEN STANDS OUT AGAINST ITS BACKGROUND
• METHODS OF IMPROVING CONTRAST INCLUDE DECREASING THE AMOUNT O FLIGHT ON THE SPECIMEN OR STAINING IT WITH DYE

Question 7

DISSECTING MICROSCOPE

Answer 7

• STEREOMICROSCOPE

- DESIGNED TO STUDY THE ENTIRE OBJECT IN THREE DIMENSIONS AT LOW MAGNIFICATION

Question 8

COMPOUND MICROSCOPE

Answer 8

• USED FOR EXAMINING SMALL OR THIN SLICES OF OBJECTS UNDER HIGHER MAGNIFICATION THAN THAT OF THE DISSECTING MICROSCOPE

Question 9

ELECTRON MICROSCOPE

Answer 9

• USES BEAMS OF ELECTRONS INSTEAD OF LIGHT AND ELECTROMAGNETS INSTEAD OF GLASS LENSES TO MAGNIFY THE OBJECT