What type of vision is found in cockroaches?
(A) Mosaic
(B) Super position
(C) Binocular
(D) None of them

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Detailed Solution

Option A (Mosaic):

In mosaic vision, a cockroach perceives multiple images of an object rather than just one. While the sensitivity is high, the resolution of the images is relatively low. This makes Option A correct.

Option B (Superposition):

Many nocturnal insects like moths and beetles possess superposition eyes. These eyes have lenses and photoreceptors separated by a clear zone, which is free from pigments. This design allows light from multiple facets to be focused on a single photoreceptor, significantly improving light capture. However, Option B is incorrect.

Option C (Binocular):

Binocular vision is when an animal has two eyes facing the same direction to perceive a single three-dimensional image of its surroundings. This type of vision is common in humans, but Option C is not correct for a cockroach.

Option D (None of them):

Since Option A (Mosaic) is the correct answer, Option D cannot be correct.

Hence, the correct answer is Option A.

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