Zoology - Structural Organisation in Animals Question with Solution | TestHub

ZoologyStructural Organisation in AnimalsCockroachEasy2 minPYQ_2020
ZoologyEasysingle choice

Match the following with reference to cockroach and choose the CORRECT option.

 Column I Column II
P.Anal style(i)10th tergite
Q.Testis(ii)2nd - 6th segments
R.Anal cerci(iii)9th stemite
S.Ovary(iv)4th - 6th

Options:

Answer:
B
Solution:

In cockroaches, the male reproductive system consists of a pair of testes, vas deferns, ejaculatory duct, seminal vesicle, mushroom gland and external genitalia. Testes are present at 4thto 6thsegments.

The female reproductive system consists of a pair of ovaries, oviduct, vagina, genital chamber. Ovaries are present at 2ndto 6thsegments.

Male and female cockroaches show sexual dimorphism. Males show presence of anal cerci and anal styles while females have only anal cerci. Anal cerci arises from 10thtergite and anal style is from 9thsternite.

Stream:NTA_ABHYAS_NEETSubject:ZoologyTopic:Structural Organisation in AnimalsSubtopic:Cockroach
⏱ 2mℹ️ Source: PYQ_2020

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