Class 9 Exam > Class 9 Videos > 10. To study the life of a Mosquito - Lab Experiment, Class 9 Science
10. To study the life of a Mosquito - Lab Experiment, Class 9 Science Video Lecture
FAQs on 10. To study the life of a Mosquito - Lab Experiment, Class 9 Science Video Lecture
| 1. What is the life cycle of a mosquito? |  |
Ans. The life cycle of a mosquito consists of four stages: egg, larva, pupa, and adult. After mating, the female mosquito lays eggs on stagnant water. These eggs hatch into larvae, also known as wrigglers, which live in water and feed on organic matter. The larvae then develop into pupae, which are commonly referred to as tumblers. Finally, the adult mosquito emerges from the pupa and begins its life cycle again.
| 2. How long does a mosquito live? | |
Ans. The lifespan of a mosquito varies depending on the species and environmental conditions. On average, adult mosquitoes live for about 2-4 weeks. However, some species can live up to several months. The lifespan of a mosquito is influenced by factors such as temperature, availability of food, and reproductive activity.
| 3. What diseases can mosquitoes transmit? | |
Ans. Mosquitoes are known to transmit various diseases to humans and animals. Some common diseases transmitted by mosquitoes include malaria, dengue fever, Zika virus, West Nile virus, yellow fever, and chikungunya. These diseases are caused by pathogens that mosquitoes pick up when they feed on infected individuals and transmit to other hosts through their bites.
| 4. How can we study the life of a mosquito in a lab experiment? | |
Ans. To study the life of a mosquito in a lab experiment, you can start by collecting mosquito eggs or larvae from their natural habitat, such as stagnant water sources. These can be placed in containers with controlled environmental conditions, such as temperature, humidity, and light. Regular observations and recordings can be made to document the different stages of development, behavior, and any changes observed. It is also important to provide suitable food sources for the larvae and pupae during the experiment.
| 5. What are some adaptations of mosquitoes for their survival? | |
Ans. Mosquitoes have several adaptations that help them survive in their environment. These include their ability to fly, which allows them to search for food and mates. The female mosquitoes have specialized mouthparts called proboscis, which they use to pierce the skin and extract blood from hosts. They also have sensory organs called antennae, which help them detect hosts and find suitable breeding sites. Additionally, mosquitoes have developed resistance to certain insecticides and can lay their eggs in water sources that are difficult to eliminate.
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Nov 18, 2024 Last updated |
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