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  • Question
  • Oxygen crosses a plasma membrane by


  • Options
  • A. Osmosis
  • B. Evaporation
  • C. Concatenation
  • D. Diffusion

  • Correct Answer
  • Osmosis 

    Explanation

    Oxygen crosses a plasma membrane by Osmosis.

  • Tags: AIEEE, Bank Exams, Analyst, Bank PO

    Biology problems


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    • 1. Lysergic acid diethylamide (LSD) is a drug used as a

    • Options
    • A. Sedative
    • B. Hallucinogen
    • C. Steroid
    • D. Analgesic
    • Discuss
    • 2. Phage typing is based on the fact that

    • Options
    • A. viruses cause disease
    • B. bacteria and viruses are related
    • C. bacteria are destroyed by viruses
    • D. bacterial viruses attack specific cells
    • Discuss
    • 3. The fluid mosaic model describes the structure of

    • Options
    • A. cell
    • B. plasma membrane
    • C. nucleus
    • D. All of the above
    • Discuss
    • 4. Cytoplasm contains all the organelles.

    • Options
    • A. TRUE
    • B. FALSE
    • Discuss
    • 5. Which of the following is a feature of ghrelin?

    • Options
    • A. It stimulates appetite and energy storage
    • B. It is released in high amounts from adipocytes during periods of excess energy intake
    • C. The blood level in the fasting state correlates directly with body weight
    • D. It is a metabolic antagonist of leptin
    • Discuss
    • 6. Antibodies are produced by

    • Options
    • A. B Lymphocytes
    • B. Pathogens
    • C. Both A & B
    • D. None of the above
    • Discuss
    • 7. Where does meiosis take place in bryophytes?

    • Options
    • A. Capsule
    • B. Protonema
    • C. Antheridia
    • D. None of the above
    • Discuss
    • 8. Which word best describes the structure of the cell membrane?

    • Options
    • A. Rigid
    • B. Impermeable
    • C. Nonpolar
    • D. Layered
    • Discuss
    • 9. The oval window is connected directly to which passageway?

    • Options
    • A. scala tympani
    • B. external auditory meatus
    • C. scala vestibuli
    • D. pharyngotympanic tube
    • Discuss
    • 10. The definition of Lysogeny is
    • Discuss


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