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Earn 100
Which of the following abdominal segment of cockroach is without a nerve ganglion?
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Important Questions on Structural Organization in Animals
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Stomodeal valve is formed from:
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Study the following and pick up the correct statements.
I) Contraction of dorsoventral muscles depress the wings in cockroaches.
II) Stomodeal valve lies between the gizzard and mesenteron in the cockroach.
III) In cockroaches, the spiracles are holopneustic type.
IV) Opening and closing of spiracles is influenced by tension in haemolymph and tension in the tracheae
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Observe the above diagram of female reproductive system of cockroach and identify and
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In corpora adiposa of cockroach, function of oenocytes is to
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Number of rectal papillae present in cockroach
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Study the following diagram and identify A, B, C, and D
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The following reaction takes place in this part of the cockroach
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Study the following and pick up the correct statements.
I. Contraction of the dorsal longitudinal muscles elevates the wings in the cockroach.
II. Rectal papillae help in water conservation in cockroaches.
III. The second chamber of the heart from the anterior part lies in the metathorax of the cockroach.
IV. Inner cuticular lining of the trachea of the cockroach is called the intima.
