Science multiple choice question test

1. The Science of using mechanical devices with human muscle skeleton and nervous systems to assist or enhance motor control lost by trauma, disease or defect is called:
Gerontechnology
Biomechatronics
Orthotics
Bionics
2. Consider the following regarding the differences between ‘holography’ and ‘photography’: 1.When a photograph is cut in half, each piece shows half of the scene. When a hologram is cut in half, the whole scene can still be seen in each piece. 2.A lens is required in photography to record the image, whereas in holography, the light from the object is scattered directly onto the recording medium. Select the statement(s) which is/are correct?
Only 1
Only 2
Both 1 and 2
Neither 1 nor 2
3. Which of the following artificial sweeteners is not broken down by the body and therefore it is non-caloric (no-calorie sweetener) :
Aspartame
Saccharin
Sucralose
Cyclamate
4. Which of the following statements is not true regarding LASER?
A LASER is a device that emits light through a process of optical amplification .
LASER beams can be focused to very tiny spots, achieving a very high irradiance.
The emitted LASER light is notable for its high degree of dispersive power unattainable using other technologies.
LASER light is used in bar-code scanners.
5. Which of the following tests is used for the diagnosis of 'Colour-Blindness' in people ?
Ishihara Test
Widal Test
ELISA test
Rorschach test
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Correct answers: