Biology - Mock Test 5

Question 41

Death angel/death cap (amanita) and Jack O Latern mushroom are all examples of

A) Poisonous mushrooms B) Edible mushrooms C) Both A and B D) None of the above

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Question 42

Covered smut of Sorghum is caused by

A) Sphacelotheca sorghi B) Sphacelotheca cruenta C) Sphacelotheca reiliana D) Tolyposporium ehrenbergii

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Question 43

Oyster mushroom is an example of predator fungi that attacks

A) Tape worms B) Pin worms C) Platyhelminthes D) Round worms

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Question 44

Main function of the cornea present in the human eye is

A) renders structural support to the eye B) bends light before it reaches the lens C) changes the shape of the lens enabling image to be focused on the retina D) contains a concentrated amount of cone cells on the correct orientation

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Question 45

The type of cells found in retina are

A) Purkinje cells B) Schwann cells C) Neuroglial cells D) Amacrine cells

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Question 46

Where will the image of a distant object be formed when a person using a concave lens to correct vision, is not using glasses

A) behind retina B) in front of retina C) on the blind spot D) on the yellow spot

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Question 47

Cornea transplant is never rejected in humans because

A) it consists of enucleated cells B) it is a non-living layer C) it has no blood supply D) its cells are least penetrable by bacteria

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Question 48

Black pigment in the eye that reduces internal reflection is located in

A) cornea B) iris C) retina D) sclerotic

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Question 49

The fovea is the mammalian eye is the center of the visual field where in

A) the optic nerve exits the eye B) only rods are found C) more rods than cones are found D) no rods but a high density of cones occur

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Question 50

In human eye, the photosensitive compound is composed of

A) guanosine and retinol B) transducing and retinene C) opsin and retinol D) opsin and retinal

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