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حیاتی توانائی

نویں جماعت · حیاتیات · 6 سوالات

نام: ____________________   تاریخ: ____________

  1. Plants make their food by:

    • A Excretion
    • B Photosynthesis
    • C Respiration
    • D Digestion

  2. Which gas do plants take in for photosynthesis?

    • A Carbon dioxide
    • B Oxygen
    • C Hydrogen
    • D Nitrogen

  3. Which pigment absorbs light in photosynthesis?

    • A Haemoglobin
    • B Keratin
    • C Chlorophyll
    • D Melanin

  4. The energy currency of the cell is:

    • A RNA
    • B Glucose
    • C DNA
    • D ATP

  5. Aerobic respiration needs:

    • A Only light
    • B Only nitrogen
    • C No oxygen
    • D Oxygen

  6. Anaerobic respiration in yeast produces:

    • A Oxygen
    • B Water only
    • C Lactic acid
    • D Ethanol and carbon dioxide

جوابی کلید

1. B, 2. A, 3. C, 4. D, 5. D, 6. D

  1. Photosynthesis uses light energy to make glucose.

  2. Carbon dioxide and water are the raw materials.

  3. Chlorophyll absorbs light energy, mainly red and blue light.

  4. ATP carries energy for cell activities.

  5. Aerobic respiration uses oxygen to break down glucose.

  6. Yeast ferments glucose to ethanol and carbon dioxide.