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AP Biology Unit 2G: Osmoregulation & Membrane Dynamics — practice questions — page 2

Explore 86 free Unit 2G: Osmoregulation & Membrane Dynamics questions in AP Biology Biology. Open each question or exercise to read its content, reference answers and available explanation.

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Unit 2G: Osmoregulation & Membrane Dynamics questions and exercises with answers

Showing questions 31–60 of 86.

Animals in which groups of similar cells combine to perform a specific function are said to have which level of organisation?Read the answer and worked solution →Medicines that kill or stop the growth of disease-causing microorganisms are called:Read the answer and worked solution →Cholera is caused by:Read the answer and worked solution →The female mosquito that carries the malaria parasite (Plasmodium) is:Read the answer and worked solution →Edward Jenner (1798) is credited with discovering the vaccine for:Read the answer and worked solution →Tuberculosis is caused by:Read the answer and worked solution →Malaria is caused by:Read the answer and worked solution →The female Aedes mosquito is best known as the carrier of:Read the answer and worked solution →Rhizobium bacteria, which fix atmospheric nitrogen into soil, live mainly in:Read the answer and worked solution →Which of the following diseases is caused by a VIRUS?Read the answer and worked solution →The 'large holes' in Swiss cheese are produced by:Read the answer and worked solution →'Toddy' — a traditional fermented drink of southern India — is made from:Read the answer and worked solution →Among the following beverages, which is produced WITHOUT distillation?Read the answer and worked solution →Production of acetic acid (vinegar) industrially uses:Read the answer and worked solution →Rust of wheat is a plant disease caused by:Read the answer and worked solution →The conversion of sugar into alcohol by yeast is called:Read the answer and worked solution →Microorganisms are classified into four major groups. These groups are bacteria, fungi, protozoa and:Read the answer and worked solution →Citric acid is produced industrially by:Read the answer and worked solution →Yeast is used in the baking industry because, during respiration, it produces:Read the answer and worked solution →Common edible preservatives that prevent microbial growth in pickles and jams are:Read the answer and worked solution →In a leaf cell, the GREEN COLOUR comes from organelles called:Read the answer and worked solution →The organelle known as the 'powerhouse of the cell' (because it produces ATP energy) is the:Read the answer and worked solution →What instrument allowed scientists to first observe individual cells?Read the answer and worked solution →The structure that controls what enters and leaves the cell (selectively permeable) is the:Read the answer and worked solution →Ribosomes are the sites of:Read the answer and worked solution →The ability of a microscope to distinguish two very close objects as separate is called its:Read the answer and worked solution →The control centre of the cell, containing genetic material (DNA), is the:Read the answer and worked solution →Which structure is FOUND IN PLANT CELLS but NOT in animal cells?Read the answer and worked solution →The semifluid matrix inside a cell where many organelles are suspended is called the:Read the answer and worked solution →The thin boundary that surrounds every cell and controls what enters and leaves is the:Read the answer and worked solution →

Worked practice questions

Animals in which groups of similar cells combine to perform a specific function are said to have which level of organisation?

  1. Cellular level
  2. Tissue level
  3. Organ level
  4. Organ-system level
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Correct answer: B. Tissue level

At the tissue level, similar cells group together to form tissues that perform specific functions. This is more advanced than the cellular level but not yet as specialised as organ or organ-system level organisation.

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Medicines that kill or stop the growth of disease-causing microorganisms are called:

  1. Vaccines
  2. Antiseptics
  3. Antibiotics
  4. Antibodies
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Correct answer: C. Antibiotics

Antibiotics are made from microorganisms (often fungi and bacteria) and are used against bacterial infections. Examples include penicillin, streptomycin, tetracycline and erythromycin.

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Cholera is caused by:

  1. A fungus
  2. A bacterium
  3. A protozoan
  4. A virus
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Correct answer: B. A bacterium

Per the chapter's table of common human diseases, cholera is a bacterial disease transmitted through contaminated water and food.

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More Biology topics

Unit 5C: Non-Mendelian Genetics & Population TransmissionUnit 2B: Membrane Transport, Tonicity & Cell SizeUnit 8K: Human Organ Systems & HomeostasisUnit 3B: Photosynthesis, Respiration & Cellular EnergyUnit 7B: Population Genetics & Hardy-Weinberg EvolutionUnit 8R: Environmental Pollution & Organismal HealthUnit 5D: Organismal Reproduction & Life CyclesUnit 6B: Transcription, Translation & Gene Expression