Transpiration and Water Vapor Experiment

The video demonstrates a simple experiment to show that transpiration occurs in plants. A potted plant is covered with a polythene bag, and another empty bag is placed beside it. After exposure to sunlight, water droplets appear inside the bag covering the plant, indicating that leaves release water vapor. This experiment concludes that plants transpire water into the atmosphere.

What is the purpose of covering the potted plant with a polythene bag in the experiment?

• To protect the plant from insects

• To keep the plant warm

• To trap water vapor released by the plant

• To prevent the plant from getting sunlight

Why is an empty polythene bag placed next to the potted plant?

• To compare the amount of sunlight received

• To collect rainwater

• To serve as a control to show that water droplets come from the plant

• To measure the temperature difference

What observation is made after exposing the setup to sunlight for an hour?

• Both bags have water droplets

• Only bag A has water droplets

• Only bag B has water droplets

• Neither bag has water droplets

What conclusion can be drawn from the experiment regarding plant leaves?

• Leaves absorb water from the air

• Leaves release water vapor into the air

• Leaves do not interact with water

• Leaves only release oxygen

What process is demonstrated by the collection of water droplets inside the polythene bag A?

• Transpiration

• Photosynthesis

• Respiration

• Evaporation