Grade 11 Exam > Grade 11 Videos > Biology for Grade 11 > Reproductive System: Cockroach
Reproductive System: Cockroach Video Lecture | Biology for Grade 11
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FAQs on Reproductive System: Cockroach Video Lecture - Biology for Grade 11
| 1. What is the reproductive system of a cockroach? |  |
Ans. The reproductive system of a cockroach consists of both male and female reproductive organs. The male reproductive system includes testes, seminal vesicles, and a pair of accessory glands, while the female reproductive system consists of ovaries, oviducts, and a common genital duct called the vagina.
| 2. How do cockroaches reproduce? | |
Ans. Cockroaches reproduce through sexual reproduction. The male cockroach transfers sperm to the female through a specialized structure called the aedeagus. The female stores the sperm in a structure called a spermatheca. When the female lays eggs, she fertilizes them with the stored sperm and attaches the egg case to a suitable location.
| 3. How many eggs does a female cockroach lay at once? | |
Ans. A female cockroach can lay up to 16 eggs at once. These eggs are enclosed in a protective case called an ootheca, which is typically brown or dark-colored. The female cockroach carries the ootheca until the eggs are ready to hatch.
| 4. How long does it take for cockroach eggs to hatch? | |
Ans. The time for cockroach eggs to hatch varies depending on the species and environmental conditions. Generally, it takes about 1-2 months for the eggs to hatch. Factors such as temperature, humidity, and availability of food can influence the hatching time.
| 5. Can cockroaches reproduce without mating? | |
Ans. No, cockroaches cannot reproduce without mating. They require the exchange of genetic material between a male and a female for fertilization to occur. Unlike some other insects, cockroaches do not have the ability for parthenogenesis, which is reproduction without fertilization.
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Nov 14, 2024 Last updated |
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