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IMSO 2005 Science International — Theory II Question 12

IMSO Science · IMSO 2005 Science International — Theory II

Question 12

Source instructions: For multiple choice problems circle the right answers. Some problems may have more than one right answer. For essay problem, give explanation briefly.

Answer the question 12–14 based on the following paragraph.

Plant loses water through the leaves by transpiration. An experiment was set up to measure the loss of water from the leaves. Prior to the experiment, pot and soil were covered using the plastic bag, as shown in the picture. Loss of water from plant could be regularly measured by weighing the potted plant.

When does the plant lose the most amount of water during the day?

Question illustration
  1. At noon. It is due to the highest temperature and maximum light intensity of the sun.
  2. At noon. It is due to the highest temperature and humidity at that time.
  3. At noon. It is due to the highest humidity and maximum light intensity of the sun.
  4. In the morning. It is due to the lowest temperature and humidity
  5. In the morning. It is due to the sun and temperature start to rise