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NEET Exam  >  NEET Tests  >  Daily Test for NEET Preparation  >  Test: Factors Affecting Photosynthesis (June 22) - NEET MCQ

Test: Factors Affecting Photosynthesis (June 22) - NEET MCQ


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10 Questions MCQ Test Daily Test for NEET Preparation - Test: Factors Affecting Photosynthesis (June 22)

Test: Factors Affecting Photosynthesis (June 22) for NEET 2024 is part of Daily Test for NEET Preparation preparation. The Test: Factors Affecting Photosynthesis (June 22) questions and answers have been prepared according to the NEET exam syllabus.The Test: Factors Affecting Photosynthesis (June 22) MCQs are made for NEET 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Factors Affecting Photosynthesis (June 22) below.
Solutions of Test: Factors Affecting Photosynthesis (June 22) questions in English are available as part of our Daily Test for NEET Preparation for NEET & Test: Factors Affecting Photosynthesis (June 22) solutions in Hindi for Daily Test for NEET Preparation course. Download more important topics, notes, lectures and mock test series for NEET Exam by signing up for free. Attempt Test: Factors Affecting Photosynthesis (June 22) | 10 questions in 10 minutes | Mock test for NEET preparation | Free important questions MCQ to study Daily Test for NEET Preparation for NEET Exam | Download free PDF with solutions
Test: Factors Affecting Photosynthesis (June 22) - Question 1
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What is one of the major factors affecting photosynthesis?

Detailed Solution for Test: Factors Affecting Photosynthesis (June 22) - Question 1
Temperature is one of the major factors affecting photosynthesis. The rate of photosynthesis increases with an increase in temperature until it reaches an optimum level for a particular plant. Beyond this optimum temperature range, photosynthesis begins to slow down and eventually stops as enzymes involved in the process are deactivated or destroyed. It is essential for students to understand the impact of temperature on photosynthesis, as it directly influences plant growth and productivity.
Test: Factors Affecting Photosynthesis (June 22) - Question 2
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Which attribute of light is important for photosynthesis intensity?

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The intensity of light is an important factor in photosynthesis. Photosynthesis primarily occurs when plants receive sufficient light. The color or wavelength of light also plays a crucial role. According to experiments, chlorophyll most effectively absorbs red and blue wavelengths from the light spectrum. Therefore, maximum photosynthesis occurs when plants are exposed to light of these specific wavelengths. This knowledge is fundamental for understanding the relationship between light and photosynthesis.
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Test: Factors Affecting Photosynthesis (June 22) - Question 3
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Why does excessive light inhibit photosynthesis?

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Excessive light can inhibit photosynthesis because it leads to an increase in the temperature of the plant. This elevated temperature can deactivate or destroy enzymes involved in photosynthesis, ultimately leading to a reduction and eventually the cessation of the photosynthetic process. Understanding how environmental factors like light intensity can impact enzyme activity is crucial for comprehending the intricacies of photosynthesis.
Test: Factors Affecting Photosynthesis (June 22) - Question 4
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What happens to photosynthesis when there is a reduced water intake or availability?
Detailed Solution for Test: Factors Affecting Photosynthesis (June 22) - Question 4
When there is a reduced water intake or availability, plants respond by closing their stomata to prevent water loss through transpiration. However, this closure of stomata also limits the intake of carbon dioxide, which is essential for photosynthesis. Therefore, water indirectly affects photosynthesis by influencing the ability of plants to access CO2. This knowledge highlights the interplay between water availability and photosynthesis in plants.
Test: Factors Affecting Photosynthesis (June 22) - Question 5
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What is the by-product of photorespiration in C3 plants?
Detailed Solution for Test: Factors Affecting Photosynthesis (June 22) - Question 5
The by-product of photorespiration in C3 plants is oxygen. Photorespiration is a process that occurs when there is an abundance of oxygen, and it produces carbon dioxide as a by-product. This CO2 is essential for photosynthesis, while the oxygen produced can interfere with the photosynthetic process. Understanding the role of oxygen in photorespiration is crucial for comprehending the complexities of photosynthesis in different plant types.
Test: Factors Affecting Photosynthesis (June 22) - Question 6
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What percentage of carbon dioxide is present in the atmosphere?
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The atmosphere contains approximately 0.03% of carbon dioxide (CO2) among other gases. This relatively low concentration of CO2 in the air is a limiting factor for photosynthesis. Students should be aware of the natural atmospheric composition to understand the challenges plants face in acquiring the necessary CO2 for photosynthesis.
Test: Factors Affecting Photosynthesis (June 22) - Question 7
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At what point does increasing carbon dioxide concentration lead to a reduction in the rate of photosynthesis?
Detailed Solution for Test: Factors Affecting Photosynthesis (June 22) - Question 7
Increasing carbon dioxide concentration typically leads to an increase in the rate of photosynthesis, but this effect is observed only up to a certain limit. Beyond this limit, excessive CO2 can start accumulating in the plant, which can ultimately slow down and inhibit the photosynthetic process. Students should understand the balance required for optimal photosynthesis concerning CO2 concentration.
Test: Factors Affecting Photosynthesis (June 22) - Question 8
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What is the primary source of light for photosynthesis in plants?
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The primary source of light for photosynthesis in plants is sunlight. Sunlight provides the necessary energy for the photosynthetic process to occur. Understanding the source of light for photosynthesis is fundamental in the study of plant biology.
Test: Factors Affecting Photosynthesis (June 22) - Question 9
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What happens to photosynthesis when oxygen levels exceed the optimum for the plant?
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When oxygen levels exceed the optimum for the plant, it can inhibit photosynthesis. While oxygen is essential for photorespiration in some plants, an excess of oxygen can interfere with the photosynthetic process, leading to a reduction in photosynthesis. Students should understand the delicate balance required for optimal photosynthesis concerning oxygen levels.
Test: Factors Affecting Photosynthesis (June 22) - Question 10
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What attribute of light is most effective for chlorophyll absorption during photosynthesis?
Detailed Solution for Test: Factors Affecting Photosynthesis (June 22) - Question 10
Chlorophyll is most effective at absorbing red and blue wavelengths of light during photosynthesis. These specific wavelengths are critical for the energy conversion process in photosynthesis. Understanding which light wavelengths are most beneficial for chlorophyll absorption is essential in the context of plant biology and photosynthesis.
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