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  • Question
  • Which of the following is an Abiotic factor?


  • Options
  • A. Plants
  • B. Water
  • C. Consumers
  • D. Animals

  • Correct Answer
  • Water 

    Explanation

    Abiotic and biotic factors are what make up an ecosystem.

     

    Abiotic factors are all nonliving components of an ecosystem. These factors include chemical and geological features such as water or lack of water, soil, rocks, and minerals. Other abiotic factors include physical components such as the temperature and weather affecting the ecosystem.


    The biotic factors in an ecosystem include all living things. All plants, animals, fungi, protists, and bacteria within an ecosystem make up that system's biotic factors. The biotic factors can be broken down further into producers, consumers, and decomposers.

    The biotic factors present in an ecosystem are highly dependent on the abiotic factors that are present. Even slight changes to either factor can have a major consequence upon the system as a whole.

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    Biology problems


    Search Results


    • 1. Cellulose is a

    • Options
    • A. Mineral
    • B. Protein
    • C. Fat
    • D. Carbohydrate
    • Discuss
    • 2. A vehicle born transmitted diseases are

    • Options
    • A. Plague and Malaria
    • B. Chicken Pox and Tetanus
    • C. Mumps and Common cold
    • D. Eye infection and influenza
    • Discuss
    • 3. "Pellagra" is caused due to the deficiency of

    • Options
    • A. Niacin
    • B. Riboflavin
    • C. Thiamine
    • D. Pyridoxine
    • Discuss
    • 4. Deficiency of which minerals causes goiter?

    • Options
    • A. Magnesium
    • B. Calcium
    • C. Iodine
    • D. Sulphur
    • Discuss
    • 5. DNA can be found in what Organelles?

    • Options
    • A. Chloroplasts and Mitichondria
    • B. Nucleus and Ribosomes
    • C. Ribosomes and Mitochondria
    • D. Endoplasmic Reticulum and Nucleus
    • Discuss
    • 6. Important objective of biotechnology in agriculture section is _________

    • Options
    • A. % produce best resistant varieties of plant
    • B. % increase the nitrogen content
    • C. % decrease the seed number
    • D. % increase the plant weight
    • Discuss
    • 7. Which of the following pairs is mismatched?

    • Options
    • A. Hooke - cell theory
    • B. van Leeuwenhoek - germ theory
    • C. Lister - aseptic surgery
    • D. Jenner - vaccines
    • Discuss
    • 8. Excretion is best described as the removal of

    • Options
    • A. Undigested material from the digestive tract
    • B. Metabolic wastes from a cell
    • C. Toxic wastes by the process of cyclosis
    • D. Water molecules from dipeptide hydrolysis
    • Discuss
    • 9. Deep fried foods are carcinogenic because they are rich in

    • Options
    • A. Nicotine
    • B. Hydrocarbons
    • C. Fats
    • D. All of the above
    • Discuss
    • 10. Source of infection in diseases like Tuberculosis, Mumps and Whooping cough is

    • Options
    • A. Direct contact
    • B. Droplets of saliva
    • C. Carrier organism
    • D. A vector
    • Discuss


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