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Which of the following scientist concluded by his experiments that green plants play a role in purifying the noxious air only in the presence of sunlight?
  • a)
    Priestley
  • b)
    Ingenhousz
  • c)
    Sachs
  • d)
    Engelmann
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
Which of the following scientist concluded by his experiments that gre...
Jan Ingenhousz (1730-1799), In his experiment with an aquatic plant, showed that in bright sunlight, small bubble were formed around the green parts while in the dark no such bubbles formed He found out these bubbles to be of oxygen He thus, cnfirmed that purification of air or formation of dephlogiston is carried out by green plants only in presents of sunlight.
Community Answer
Which of the following scientist concluded by his experiments that gre...
Scientist who concluded that green plants play a role in purifying the noxious air in the presence of sunlight:

The scientist who concluded that green plants play a role in purifying the noxious air in the presence of sunlight is Ingenhousz.

Explanation:

Jan Ingenhousz was a Dutch physician, biologist, and chemist who conducted several experiments on plants and their relationship with sunlight. His contributions to the understanding of photosynthesis were significant.

Ingenhousz's experiments:
1. In 1779, Ingenhousz conducted experiments to investigate the role of plants in purifying the air.
2. He placed sprigs of mint in a closed container with a burning candle and observed that the mint sprigs restored the air, allowing the candle to burn for a longer time.
3. This experiment demonstrated that plants have the ability to replenish the oxygen in the air, which is essential for combustion.

Conclusions drawn:
1. Ingenhousz concluded that plants have the ability to purify the air by releasing oxygen during the process of photosynthesis.
2. He also observed that this process occurs only in the presence of sunlight.
3. In the absence of sunlight, plants respire and consume oxygen like other living organisms.

Significance of Ingenhousz's findings:
1. Ingenhousz's experiments provided evidence for the importance of sunlight in the process of photosynthesis.
2. His work laid the foundation for understanding the relationship between plants, sunlight, and the production of oxygen.
3. His findings were crucial in establishing the role of plants in maintaining the balance of gases in the atmosphere.

Legacy:
Ingenhousz's experiments and conclusions significantly contributed to the understanding of photosynthesis and its role in the environment. His work paved the way for further research in the field of plant physiology and the importance of plants in maintaining a healthy atmosphere.
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Which of the following scientist concluded by his experiments that green plants play a role in purifying the noxious air only in the presence of sunlight?a)Priestleyb)Ingenhouszc)Sachsd)EngelmannCorrect answer is option 'B'. Can you explain this answer?
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Which of the following scientist concluded by his experiments that green plants play a role in purifying the noxious air only in the presence of sunlight?a)Priestleyb)Ingenhouszc)Sachsd)EngelmannCorrect answer is option 'B'. Can you explain this answer? for NEET 2025 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Which of the following scientist concluded by his experiments that green plants play a role in purifying the noxious air only in the presence of sunlight?a)Priestleyb)Ingenhouszc)Sachsd)EngelmannCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for NEET 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following scientist concluded by his experiments that green plants play a role in purifying the noxious air only in the presence of sunlight?a)Priestleyb)Ingenhouszc)Sachsd)EngelmannCorrect answer is option 'B'. Can you explain this answer?.
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