Plant Physiology

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Question 1

What is the primary function of chlorophyll in plants?

  • Absorb nutrients

  • Trap sunlight for photosynthesis

  • Transport water

  • Support plant structure

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Question 2

Which process is responsible for the production of glucose in plants?

  • Respiration

  • Transpiration

  • Photosynthesis

  • Germination

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Question 3

What is the role of xylem in plants?

  • Transport of food

  • Transport of water and minerals

  • Photosynthesis

  • Gas exchange

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Question 4

Which of the following is a product of the light-dependent reactions in photosynthesis?

  • Oxygen

  • Glucose

  • Carbon Dioxide

  • Nitrogen

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Question 5

Which structure in the plant cell is responsible for storing starch?

  • Chloroplast

  • Mitochondrion

  • Vacuole

  • Plastid

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Question 6

What is the primary function of stomata?

  • Photosynthesis

  • Gas exchange

  • Transport of water

  • Support for the plant

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Question 7

Which hormone is primarily responsible for promoting cell elongation in plants?

  • Gibberellin

  • Auxin

  • Cytokinin

  • Ethylene

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Question 8

What is transpiration in plants?

  • The process of food production

  • The movement of water through the plant

  • The release of oxygen into the atmosphere

  • The movement of nutrients through the soil

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Question 9

Which nutrient is primarily responsible for promoting root development in plants?

  • Nitrogen

  • Phosphorous

  • Potassium

  • Magnesium

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Question 10

Which process occurs in the mitochondria of plant cells?

  • Photosynthesis

  • Cellular respiration

  • Transpiration

  • Nitrogen fixation

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Biology

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