1) In which plant organ does transpiration primarily occur? a) Leaves b) Roots c) Stem d) Flowers 2) What is the main purpose of transpiration in plants? a) Nutrient absorption b) Gas exchange c) Water loss prevention d) Energy storage 3) Which structure in the leaf is directly involved in the process of transpiration? a) Stomata b) Chloroplasts c) Guard cells d) Veins 4) What is the significance of transpiration in plants? a) It helps in the absorption of nutrients b) It aids in the process of pollination c) It regulates temperature and cools the plant d) It is essential for the production of flowers 5) What environmental factor is closely related to the rate of transpiration in plants? a) Soil pH b) Temperature c) Humidity d) Root length 6) Which of the following is NOT a product of transpiration in plants? a) Oxygen b) Carbon dioxide c) Water vapor d) Glucose 7) What would likely happen to a plant if its transpiration rate increases significantly? a) Improved water absorption b) Reduced nutrient transport c) Enhanced photosynthesis d) Increased risk of dehydration

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