WebJan 25, 2024 · The body of a cockroach is narrow, elongated, bilaterally symmetrical, segmented and dorsiventrally flattened. ii. The entire body is covered by a hard chitinous covering called an exoskeleton. iii. The exoskeleton of each segment contains plate-like structures called sclerites. iv. WebThe male genital pore, the gonapophysis and the forelegs of the male cockroach is located on its ventral side. advertisement. 8. Which of these structures is present in male cockroaches only? a) Tegmina b) Genital pouch c) Anal cerci d) …
INSECT MORPHOLOGY - GENITALIA 1
WebApr 8, 2024 · 3.There are three gonapophysis that can be found in the female cockroach while the male cockroach has six gonapophyses. 4.Male cockroaches have three chitinous structures and they are called phallomere that make the external genitalia of the cockroach. They consist of a. Right Phallomere, b. Left Phallomere and c. Ventral … WebWhich of the following feature can be used to distinguish male cockroach from female cockroach? 1. Presence of anal cerci 2. Absence of anal cerci 3. Wings extend beyond the tip of abdomen 4. Presence of arthrodial membrane 5. Choose the correct statement. 1. Hypopharynx is median inflexible lobe that act as tongue. 2. christus santa rosa westover hills npi
Cockroach:Male Reproductive System Recommended MCQs
WebMorphology. The adult cockroaches are about 2 to 4 cm in length and about 1cm in width. The body of the cockroach is compressed dorso-ventrally, bilaterally symmetrical, segmented and is divisible into three distinct regions – head, thorax and abdomen. The entire body is covered by a hard, brown coloured, chitinous exoskeleton. WebINSECT MORPHOLOGY - GENITALIA 3 * Phallic organs 1. genital chamber (pocket) - may conceal external genitalia - invagination in body wall where phallus can be protected - usually a ventral invagination between segments 9 and 10. 2. phallus (penis) - organ of male on which the male gonopore is located - terminal portion of the ejaculatory duct. WebIn males, genital pouch or chamber lies at the hind end of abdomen bounded dorsally by 9th and 10th terga and ventrally by the 9th sternum. It contains dorsal anus, ventral male genital pore, and gonapophysis. Male Cockroach has longer and narrow abdomen. So the correct answer is 'Longer abdomen'. christus santa rosa westover hills imaging