MICROSCOPIC WORLD OF CELLS

Question 1

INSTRUMENT USED TO SEE OBJECTS THAT ARE TOO SMALL TO BE SEEN BY THE NAKED EYE.

Answer 1

MICROSCOPE

Question 2

STUDY OF SMALL OBJECTS USING MICROSCOPES

Answer 2

MICROSCOPY

Question 3

COMMONLY USED TYPE OF MICROSCOPE IN BIOLOGY

Answer 3

COMPOUND MICROSCOPE

Question 4

THE INVENTION OF COMPOUND MICROSCOPE IS CREDITED BY_______ A DUTCH SPECTACLE MAKER IN THE 16TH CENTURY.

Answer 4

ZACHARIAS JANSSEN

Question 5

WHEN A MINUTE OBJECT IS PLACED BEYOND THE FOCUS OF THE _____ A HIGHLY MAGNIFIED OBJECT IS FORMED AT A DISTANCE OF DISTINCT VISION FROM THE EYE CLO TO EYE PIECE. “PLACED TOWARDS THE OBJECT”

Answer 5

PRINCIPLE OF COMPOUND MICROSCOPE:

OBJECTIVE LENS

Question 6

WHEN A MINUTE OBJECT IS PLACED BEYOND THE FOCUS OF THE OBJECTIVE LENS A HIGHLY MAGNIFIED OBJECT IS FORMED AT A DISTANCE OF DISTINCT VISION FROM THE EYE CLOSE TO THE __________. “LENS TOWARDS THE EYE”

Answer 6

EYE PIECE

Question 7

COMPOUND MICROSCOPE’S 2 CONVEX LENSES

Answer 7

OBJECTIVE LENS AND EYE PIECE

Question 8

2 PARTS OF COMPOUND MICROSCOPE

Answer 8

MECHANICAL AND OPTICAL PARTS

Question 9

IT IS A U SHAPED STRUCTURE THAT SUPPORTS THE ENTIRE WEIGHT OF THE COMPOUND MICROSCOPE

Answer 9

MECHANICAL PARTS:

BASE

Question 10

IT IS A VERTICAL PROJECTION. THIS STANDS BY RESTING ON THE BASE AND SUPPORTS THE STAGE.

Answer 10

MECHANICAL PARTS:

PILLAR

Question 11

CONNECTS THE BODY TUBE TO THE BASE OF MICROSCOPE

Answer 11

MECHANICAL PARTS:

ARM

Question 12

FLAT AND RECTANGULAR PLATE THAT IS CONNECTED TO THE ARM’S LOWER END. SPECIMEN IS PLACED ON THE SATGE FOR STUDYING AND EXAMINING THE VARIOUS FEATURES. CENTER OF THE STAGE THAT HAS A HOLE THROUGH WHICH LIGHT CAN PASS.

Answer 12

MECHANICAL PARTS:

STAGE

Question 13

CONNECTS THE ARM TO THE BASE OF MICROSCOPE. ALLOWS THE MICROSCOPE TO BE TITLED FOR THE CONVINIECE OF THE USER.

Answer 13

MECHANICAL PARTS:

INCLINATION JOINT

Question 14

HOLDS THE GLASS INSIDE THE PLACE

Answer 14

MECHANICAL PARTS:

STAGE CLIPS

Question 15

FASTENED BELOW THE STAGE. CONTROLS AND ADJUSTS THE INTENSITY OF LIGHT THAT PASSES INTO THE MICROSCOPE.

Answer 15

MECHANICAL PARTS:

DIAPHRAGM

Question 16

CIRCULAR AND ROTATING METAL PART THAT IS CONNECTED TO THE BODY TUBE’S LOWER END.
HAS THREE HOLES WHEREIN THE OBJECTIVE LENSES ARE EMBEDDED.

Answer 16

MECHANICAL PARTS:

REVOLVING NOSEPIECE

Question 17

COMPRISES A HOLLOW AND TUBULAR STRUCTURE. CAN BE SHIFTED DOWN AND UP USING THE ADJUSTMENT KNOBS.

Answer 17

MECHANICAL PARTS:

BODY TUBE

Question 18

A SMALLER KNOB, WHICH IS USED FOR SHARP AND FINE FOCUSING OF THE OBJECT.

Answer 18

MECHANICAL PARTS:

FINE ADJUSTMENT KNOB

Question 19

A LARGE KNOB THAT IS USED FOR MOVING THE BODY TUBE DOWN AND UP FOR BRINGING THE OBJECT TO EXAMINED UNDER EXACT FOCUS.

Answer 19

MECHANICAL PARTS:

COARSE ADJUSTMENT KNOB

Question 20

LOCATED AT THE TOP OF THE BODY TUBE. THERE ARE CERTAIN MARKINGS SUCH AS 5X, 10X, 15X, ETC. WHICH INDICATES THE MAGNIFICATION POWER. THE OBJECT’S MAGNIFIED IMAGE CAN BE OBSERVED WITH THE HELP OF EYEPIECE

Answer 20

OPTICAL PARTS:

EYEPIECE OF OCULAR

Question 21

ATTACHED TO THE PILLAR OR THE LOWER END OF THE ARM. CONSITS OF CONCAVE MIRROR ON ONE SIDE AND A PLAIN MIRROR ON THE OTHER SIDE. USED FOR THE REFLECTION OF THE LIGHT RAYS INTO THE MICROSCOPE.

Answer 21

OPTICAL PARTS:

MIRROR

Question 22

MAGNIFIES 40X,WITH TOTAL MAGNIFICATION 400X IF THE EYEPIECE LENS IS 10X POWER. IT IS IDEAL FOR OBSERVING VERY FINE DETAIL.

Answer 22

OPTICAL PARTS:
OBJECTIVE LENSES
a. HIGH POWER OBEJECTIVE (40X)

Question 23

GIVES A WIDER FIELD OF VIEW OF THE PARTICULAR SPECIMEN. IT PRIMARY FUNCTION IS TO GIVE THE VIEWER A BOARDER RANGE OF THE IMAGE TO SEE THE PROPERTIES OF A PARTICULAR SPECIMEN.

Answer 23

OPTICAL PARTS:
OBJECTIVE LENSES
b. LOWER POWER OBJECTIVE (10X)