जीवविज्ञान: कोशिका विज्ञान
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Questions and Answers

सेल की मुख्य फंक्शन्स में से कौन-सा सही है?

  • पोषण की प्रक्रिया (correct)
  • प्रकाशिकीयता की प्रक्रिया का आयात-निर्यात
  • रेक्तिफाइकेशन की प्रक्रिया
  • अनुसंधान की प्रक्रिया
  • सभी जीवों की रचना के कितने प्रमुख प्रकार होते हैं?

  • दो (correct)
  • एक
  • चार
  • तीन
  • सिंगल-सेल्ड ऑर्गनिज्म्स में कौन-सा प्रकार का सेल पाया जाता है?

  • Multicellular cells
  • Nucleated cells
  • Prokaryotic cells (correct)
  • Eukaryotic cells
  • कोशिकाओं की गतिविधियों के लिए आवश्यक ऊर्जा किसके रूप में प्राप्त की जाती है?

    <p>कोशिका श्वसन</p> Signup and view all the answers

    यह सही है, कि सेल के कितने प्रमुख महत्वपूर्ण कार्य होते हैं?

    <p>पांच</p> Signup and view all the answers

    कौनसी प्रक्रिया कोशिकाओं के लिए नए कोशिकाओं का निर्माण करने के लिए आवश्यक है?

    <p>DNA प्रति लेखन</p> Signup and view all the answers

    कौनसी प्रक्रिया कोशिकाओं के बीच रसायनिक संकेतों का उपयोग करके संचार करती है?

    <p>सेल संकेतन</p> Signup and view all the answers

    कौनसी प्रक्रिया कोशिकाओं में प्रोटीनों का उत्पादन करने के लिए उनके DNA में संम्पुर्णता है?

    <p>प्रोटीन प्रस्थापन</p> Signup and view all the answers

    कौनसी प्रक्रिया कोशिकाएं समस्याओं को समन्वित करने में मदद करने वाले रसायनिक संकेतों का प्रयोग करती है?

    <p>सेल संकेतन</p> Signup and view all the answers

    Study Notes

    Biology: Cell Biology

    Introduction

    Biology is the study of life and living organisms, from the smallest cell to the largest organism. It is a vast and complex field that encompasses many different subdisciplines, including cell biology. Cell biology is the study of the structure, function, and behavior of cells, the basic unit of life.

    Cell Structure

    Cells are the building blocks of all living organisms and they come in many different shapes and sizes. The three main types of cells are prokaryotic cells, which are found in bacteria and other single-celled organisms, and eukaryotic cells, which are found in plants, animals, and fungi. The structure of a typical eukaryotic cell includes a nucleus, which contains the cell's genetic material, and various organelles, which perform specific functions within the cell.

    Cell Function

    Cells have many different functions that are essential for the proper functioning of an organism. Some of the main functions of cells include:

    1. Cellular respiration: cells convert food into energy, which is used to power all of the cell's activities.
    2. DNA replication: cells make copies of their DNA, which is necessary for cell division and the creation of new cells.
    3. Protein synthesis: cells use the genetic information encoded in their DNA to produce proteins, which are essential for many cellular functions.
    4. Cell division: cells divide to create new cells, which is necessary for growth and repair.
    5. Cell signaling: cells communicate with each other using chemical signals, which help coordinate cellular activities.

    Cell Behavior

    Cells also exhibit various behaviors, such as cell motility, which is the ability of cells to move. This is important for many cellular processes, such as the movement of cells during embryonic development. Another important behavior is cell death, which is the programmed or accidental death of cells. This is an essential process for the proper development and maintenance of an organism.

    Conclusion

    Cell biology is a fascinating subfield of biology that provides insight into the structure, function, and behavior of cells. Understanding the cell is essential for understanding the workings of the body and the natural world.

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    यह क्विज़ कोशिकाओं के संरचना, कार्य और व्यवहार के बारे में है। कोशिका विज्ञान जीवविज्ञान का एक रोमांचक शाखा है जो कोशिकाओं की संरचना, कार्य और व्यवहार की समझ प्रदान करती है।

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