Ommatidia serve the purpose of photoreception in (a) cockroach (b) frog (c) humans (d) sunflower.

Ommatidia serve the purpose of photoreception in
(a) cockroach (b) frog
(c) humans (d) sunflower.
by

1 Answer

Answer :

(a) cockroach
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Which one of the following options gives the correct categorization of six animals according to the type of nitrogenous waste they give out? Ammonotelic Ureotelic Uricotelic (a) Pigeon, Aquatic Cockroach, humans amphibia, frog lizards (b) Frog, Aquatic Cockroach, lizards amphibia, pigeon humans (c) Aquatic Frog, Pigeon, amphibia humans lizards, cockroach (d) Aquatic Cockroach, Frog, pigeon, amphibia humans lizards

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Last Answer : (d) Aquatic Cockroach, Frog, pigeon, amphibia humans lizards

In which one of the following organisms its excretory organs are correctly stated? (a) Humans – Kidneys, sebaceous glands and tear glands (b) Earthworm – Pharyngeal, integumentary and septal nephridia (c) Cockroach – Malpighian tubules and enteric caeca (d) Frog – Kidneys, skin and buccal epithelium

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Ommatidia are units in the eyes of :

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Uric acid is the chief nitrogenous component of the excretory products of (a) earthworm (b) cockroach (c) frog (d) man.

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Which one of the following is the true description about an animal concerned? (a) Rat - Left kidney is slightly higher in position than the right one (c) Earthworm - The alimentary canal consists of a sequence of pharynx, oesophagus, stomach, gizzard and intestine (d) Frog - Body divisible into three regions - head, neck and trunk(b) Cockroach - 10 pairs of spiracles (2 pairs on thorax and 8 pairs on abdomen)

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Compared to those of humans, the erythrocytes in frog are (a) without nucleus but with haemoglobin (b) nucleated and with haemoglobin (c) very much smaller and fewer (d) nucleated and without haemoglobin.

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