List of 5 Important Biology Topics

List of 5 Important Biology Topics

Today, we will discuss the list of 5 Important biology topics. Biology plays an important role in the preparation for many competitive examinations. Here, we have a tendency to area unit providing an inventory of some necessary topics in Biology to hurry up the preparation. The topics mentioned below are unit elementary in nature and are explained with ideas. it’s been seen that queries area unit commonly asked regarding these topics in many competitive examinations. Check below for the List of 5 Important Biology topics.

List of 5 Important Biology Topics

  1. Nitrogen Cycle:
    The movement of nitrogen between the atmosphere, biosphere, and geosphere in different forms is called the Nitrogen Cycle. It involves several processes such as nitrogen fixation, nitrification, denitrification, decay, and putrefaction. Nitrogen gas exists in both organic and inorganic forms. Organic nitrogen exists in living organisms, and they get passed through the food chain by the consumption of other living organisms. Inorganic forms of nitrogen are found in abundance in the atmosphere. This nitrogen is made available to plants by symbiotic bacteria which can convert the inert nitrogen into a usable form – such as nitrites and nitrates. Nitrogen undergoes various types of transformation to maintain a balance in the ecosystem. Furthermore, this process extends to various biomes, with the marine nitrogen cycle being one of the most complicated biogeochemical cycles.

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  2. Photosynthesis:
    Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that, through cellular respiration, can later be released to fuel the organism’s activities. In other words, The process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of sugar.

    Some of this chemical energy is stored in carbohydrate molecules, such as sugars and starches, which are synthesized from carbon dioxide and water – hence the name photosynthesis, from the Greek phōs (φῶς), “light”, and synthesis (σύνθεσις), “putting together”. This means “Combining together with the help of light.”

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  3. Carbon Cycle:
    The Carbon Cycle is the biogeochemical cycle by which carbon is exchanged among the biosphere, pedosphere, geosphere, hydrosphere, and atmosphere of the Earth. Carbon is the main component of biological compounds as well as a major component of many minerals such as limestone.

    The Carbon Cycle is a biogeochemical cycle where different forms of carbon compounds are cycled through the Earth’s various systems like the atmosphere, biosphere, hydrosphere, and geosphere.

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  4. Differences Between Mitosis and Meiosis:
    Mitosis is the process by which a cell replicates its chromosomes and then segregates them, producing two identical nuclei in preparation for cell division. and Meiosis is a type of cell division that reduces the number of chromosomes in the parent cell by half and produces four gamete cells.

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  5. Flora And Fauna:
    Flora And Fauna were coined by biologists to refer to a collection of plants and animals specifies in a given geographic location. In a nutshell, the term flora relates to all plant life and the term fauna represents all animal life. Let us dive deeper into these terms, exploring their origins and etymologies.

    Flora is all the plant life present in a particular region or time, generally the naturally occurring (indigenous) native plants. Sometimes bacteria and fungi are also referred to as flora, as in the terms gut flora or skin flora.

    Fauna is all of the animal life present in a particular region or time. The corresponding term for plants is flora, and for fungi, it is funga. Flora, fauna, funga, and other forms of life are collectively referred to as biota.

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The above points in the List of 5 Important Biology Topics are the most, valuable content for biology students.