NEETBiologyStructural Organisation in AnimalsMCQ+4 / −1
Which of the following features is used to identify a male cockroach from a female cockroach?
- AForewings with darker tegmina
- BPresence of caudal styles
- CPresence of anal cerci
- DPresence of a boat-shaped sternum on the 9th abdominal segment
View written solutionFree
Correct answer: B
Male cockroach bears a pair of short threadlike anal/caudal styles which are absent in females. They project backwardly from the sides of 9th abdominal segment in male cockroach.
More from Structural Organisation in Animals
- Select the correct route for the passage of sperms in male frogs :2017 · MCQ
- Frog’s heart when taken out of the body continues to beat for sometime. Select the best option from the following statements. (a) Frog is a poikilotherm (b) Frog does not have any coronary circulation (c) Heart is “myogenic” in nature (d)…2017 · MCQ
- Which type of tissue correctly matches with its locations ?2016 · MCQ
- Which of the following features is not present in Periplaneta americana?2016 · MCQ
- In male cockroaches, sperms are stored in which part of the reproductive system ?2016 · MCQ
- Smooth muscles are2016 · MCQ
- The body cell in cockroach discharge their nitrogenous waste in the haemolymph mainly in the form of -2015 · MCQ
- The function of the gap junction is to -2015 · MCQ