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Life Cycle of Silk Moth Video Lecture | Class 7 Oxford Science: Chapter Notes, Worksheets & Tests
FAQs on Life Cycle of Silk Moth Video Lecture - Class 7 Oxford Science: Chapter Notes, Worksheets & Tests
| 1. What is the life cycle of a silk moth? |  |
Ans. The life cycle of a silk moth consists of four stages: egg, larva (caterpillar), pupa (cocoon), and adult moth.
| 2. How long does it take for a silk moth to complete its life cycle? | |
Ans. The duration of a silk moth's life cycle can vary depending on environmental conditions, but on average, it takes around 45 to 60 days for a silk moth to complete its life cycle from egg to adult moth.
| 3. What do silk moth eggs look like? | |
Ans. Silk moth eggs are tiny and round, usually measuring about 1 to 1.5 millimeters in diameter. They have a creamy white color and are often laid in clusters on leaves or other suitable surfaces by adult female moths.
| 4. How does the silk moth larva (caterpillar) grow and develop? | |
Ans. After hatching from the egg, the silk moth larva goes through several molts or stages of growth. It feeds voraciously on mulberry leaves, its primary food source, and gradually increases in size. With each molt, the larva sheds its old skin and grows a new one until it reaches its maximum size before entering the next stage of the life cycle.
| 5. What happens during the pupa (cocoon) stage of a silk moth's life cycle? | |
Ans. In the pupa stage, the silk moth larva spins a protective silk cocoon around itself. Inside the cocoon, the larva undergoes metamorphosis, transforming into an adult moth. This stage can last for several weeks or even months, depending on environmental conditions. Once the transformation is complete, the adult moth emerges from the cocoon and begins the final stage of its life cycle.
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