FBISE, NCP & NBF-aligned resources for Classes 9–12
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Biology Chapter 7 : Topic 8
Aerobic and Anaerobic Respiration
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Photosynthesis is the process in which plants:
Reasoning: Photosynthesis is the process of food formation using CO₂, water, and sunlight.
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The main site of photosynthesis in a plant cell is:
Reasoning: Chloroplast contains chlorophyll and is the site of photosynthesis.
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Which pigment is essential for trapping light energy?
Reasoning: Chlorophyll absorbs sunlight for photosynthesis.
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Plants obtain carbon dioxide for photosynthesis through:
Reasoning: Stomata are pores in leaves for gas exchange.
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Water used in photosynthesis is absorbed by:
Reasoning: Roots absorb water from the soil.
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The gas released during photosynthesis is:
Reasoning: Oxygen is produced as a by-product.
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The correct word equation of photosynthesis is:
Reasoning: This is the standard photosynthesis equation.
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Sunlight energy is converted into:
Reasoning: Light energy is stored in glucose as chemical energy.
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Photosynthesis mainly occurs in which part of the plant?
Reasoning: Leaves contain most chloroplasts.
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Which structure allows carbon dioxide to enter the leaf?
Reasoning: Stomata regulate gas exchange.
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Photosynthesis is classified as:
Reasoning: It builds glucose from simpler substances.
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Which of the following is NOT required for photosynthesis?
Reasoning: Oxygen is a product, not a requirement.
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The primary product of photosynthesis is:
Reasoning: Glucose is the food produced.
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Why do leaves appear green?
Reasoning: Chlorophyll reflects green light.
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In which organelle does light reaction of photosynthesis occur?
Reasoning: Light reactions occur in thylakoid membranes.
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