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What do u mean by ganong's light screen in bio ?
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What do u mean by ganong's light screen in bio ?
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Ganong's light screen experiment demonstrates that light is essential for photosynthesis. The plant is kept in dark conditions, the leaves use the starch stored and becomes free from starch. This plant is called destarched plant. The instrument is called as a light screen and is a clip like an instrument. There is a disc having a star shaped opening. The light can enter through this opening. This clip is fixed to the leaf of the plant. The setup is placed in sunlight. The leaf is tested for starch and the part of the leaf exposed to the sunlight turns blue. The Ganong's light screen experiment demonstrates that light is essential for photosynthesis
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Read the passage carefully:1. Think about all the factors that can interfere with a good night’s sleep — from work stress and family responsibilities to unexpected challenges, such as illnesses. It’s no wonder that quality sleep is sometimes elusive. While you might not be able to control the factors that interfere with your sleep, you can adopt habits that encourage better sleep. Set aside no more than eight hours for sleep. The recommended amount of sleep for a healthy adult is at least seven hours. Most people don’t need more than eight hours in bed to achieve this goal. Go to bed and get up at the same time every day. Try to limit the difference in your sleep schedule on weeknights and weekends to no more than one hour. Being consistent reinforces your body’s sleep-wake cycle. If you don’t fall asleep within about 20 minutes, leave your bedroom and do something relaxing. Read or listen to soothing music. Go back to bed when you’re tired. Repeat as needed. Don’t go to bed hungry or stuffed. In particular, avoid heavy or large meals within a couple of hours to bedtime. Your discomfort might keep you up. Don’t drink caffeine before sleep. The stimulating effects of caffeine take hours to wear off and can wreak havoc on quality sleep. Create a room that’s ideal for sleeping. Often, this means cool, dark and quiet.2. Exposure to light might make it more challenging to fall asleep. Avoid prolonged use of lightemitting screens just before bedtime. Consider using room-darkening shades, earplugs, a fan or other devices to create an environment that suits your needs. Doing calming activities before bedtime, such as taking a bath or using relaxation techniques, might promote better sleep. Long daytime naps can interfere with night-time sleep. If you choose to nap, limit yourself to up to 30 minutes and avoid doing so late in the day. If you work nights, however, you might need to nap late in the day before work to help make up your sleep debt. Regular physical activity can promote better sleep. Avoid being active too close to bedtime; however, spending time outside every day might be helpful, too.On the basis of your reading of the passage given above, answerof the following questions:Q.Name one calming activity you can do before bedtime.

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What do u mean by ganong's light screen in bio ?
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What do u mean by ganong's light screen in bio ? for Class 10 2025 is part of Class 10 preparation. The Question and answers have been prepared according to the Class 10 exam syllabus. Information about What do u mean by ganong's light screen in bio ? covers all topics & solutions for Class 10 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for What do u mean by ganong's light screen in bio ?.
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