The human eye forms the image of an object at its________?
The human eye forms the image of an object at its________?
A. Cornea
B. Pupil
C. Iris
D. Retina
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A photostat machine works on _____________?
A photostat machine works on _____________?A. electromagnetic image making
B. magnetic image making
C. thermal image making
D. electrostatic image makingAcid deposition causes ______________________?
Acid deposition causes ______________________?
A. the greenhouse effect to lessen
B. lakes and forests to die
C. acid indigestion in humans
D. all the above are correctPermanent hardness of water is due to the presence of __________?
Permanent hardness of water is due to the presence of __________?A. Sodium bicarbonate
B. Calcium sulfate
C. Calcium bicarbonate
D. None of theseThe S. I. unit of refractive index is _______?
The S. I. unit of refractive index is _______?A. meter
B. cm
C. watt
D. no unitAn extremely small piece of silicon on which integrated circuits are implicated is called __________________?
An extremely small piece of silicon on which integrated circuits are implicated is called __________________?
A. Card Reader
B. Hollerith Code
C. Feed
D. ChipHow many numbers of chromosomes in Pea plant?
How many numbers of chromosomes in Pea plant?
A. 12
B. 14
C. 46
D. 48