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Biology Basics Quiz MCQ Practice

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1. The basic structural and functional unit of life is the:

  1. A. Molecule
  2. B. Tissue
  3. C. Organ
  4. D. Cell
Answer: Cell
Explanation: Cell — verified fact for Biology Basics Quiz.
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2. The theory of evolution by natural selection was proposed by:

  1. A. Carl Linnaeus
  2. B. Gregor Mendel
  3. C. Charles Darwin
  4. D. Louis Pasteur
Answer: Charles Darwin
Explanation: Charles Darwin — verified fact for Biology Basics Quiz.
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3. The process by which green plants make their own food using sunlight is called:

  1. A. Photosynthesis
  2. B. Respiration
  3. C. Transpiration
  4. D. Digestion
Answer: Photosynthesis
Explanation: Photosynthesis — verified fact for Biology Basics Quiz.
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