EXCRETORY SYSTEM
CORTEX
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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has numbers which are the same colour but different luminance to the background
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has numbers which are the same colour and the same luminance as the background
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has numbers which are different colours but the same luminance as the background
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has numbers which are different colours and different luminance to the background
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Detailed explanation-1: -Over a century later, the Ishihara Color Plate Test is the most commonly used method to test color blindness throughout the world. The Ishihara color blind test detects protanopia and deuteranopia color deficiencies. Using a set of 38 plates that are individually composed of a pattern of differently shaded dots, Dr.
Detailed explanation-2: -Pseudoisochromatic plates are the most familiar color vision tests. The most widely used examples are Ishihara’s test of color vision and the Hardy, Rand and Rittler (HRR) pseudoisochromatic plates. These tests each consist of a book containing a series of printed colored plates.
Detailed explanation-3: -The Ishihara test is a simple, proven method for detecting congenital color vision deficiency (Protanomaly, Deuteranomaly, Dichromacy, Protanopia, and Deuteranopia). Color plates are encased in specially designed album-type books for ease of handling.