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Biology 11, Chapter 1
Cell Structure And Functions - 9
1.
A net of fine lines in the eyepiece of a sighting device, such as a telescope or binocular is called?
a) Graticule
b) Reticle
c) All answers are correct
d) Reticule
2.
Accurately setting a device for precise measurement is called?
a) Specification
b) Celebration
c) Cerebration
d) Calibration
3.
Why graticule, a photographically produced gird, must be calibrated?
a) 2. For accuracy of each measurement.
b) 3. To make the graticule more visible.
c) 4. Answer 1 and 2 are correct
d) 1. To know what each square represents when a particular object is used.
4.
Measurement of microscopic objects is called?
a) Resolution
b) Unification
c) Micrometry.
d) Edification
5.
Measurement of microscopic objects can be done using specially designed?
a) 2. Grit
b) 1. Scales.
c) 4. Answer 1 and 3 are correct
d) 3. Micrometre.
6.
Two types of micrometres are?
a) Micrometer.
b) Stage micrometre.
c) All answers are correct
d) Ocular graticule.
7.
Above figure represents (Fig 1.5)?
a) Ocular Micrometre
b) Stage Micrometre
c) Graticule of Micrometre
d) eyepiece micrometre
8.
An ocular micrometre is a?
a) Flat glass piece
b) Square glass piece
c) Double glass piece
d) Circular glass piece.
9.
Ocular micrometre is also known as ________ micrometre?
a) Finest
b) No answer is correct
c) Eyepiece
d) Circular
10.
Circular glass piece can be put between the two _______ of the eyepiece?
a) Parts
b) Lenses
c) Two answers are correct
d) Objects
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