Bihar TET · Mathematics and Science (Paper II)
Photosynthesis, transpiration and plant nutrition.
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Q1 · Plant Life · EASY
A student observes that a potted plant placed in sunlight for several hours has small water droplets on the outer surface of a plastic bag tied around one of its leafy branches. This water most likely came from which process?
Q2 · Plant Life · MEDIUM
During photosynthesis, a plant absorbs carbon dioxide and releases oxygen. If a healthy plant is kept in bright sunlight and provided with water and minerals, which gas exchange will occur through the stomata during daytime?
Q3 · Plant Life · MEDIUM
A farmer notices that plants growing in soil rich in organic compost are healthier than those growing in sandy soil, even though both receive equal amounts of water and sunlight. Which aspect of plant nutrition best explains this observation?
Q4 · Plant Life · HARD
An experiment is set up with two identical plants. Plant A is kept in normal air and Plant B is kept in an enclosed chamber with air that has been passed through concentrated potassium hydroxide solution (which absorbs carbon dioxide). Both plants receive equal sunlight and water. After one week, which result would most likely be observed?
Q5 · Plant Life · EASY
Photosynthesis in plants primarily takes place in which part of the plant?