Hap Quiz On Cell And Blood By V.P.Rawal

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| By Vaishali Rawal
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Vaishali Rawal
Community Contributor
Quizzes Created: 2 | Total Attempts: 638
| Attempts: 152
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  • 1/10 Questions

    Cell is basic functional unit of our body

    • True
    • False
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About This Quiz

This quiz, created by V. P. Rawal, tests knowledge on cell structure and function, focusing on key cellular components and their roles.

Hap Quiz On Cell And Blood By V.P.Rawal - Quiz

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  • 2. 

    Mitochondria is called as 

    • Power house of cell

    • Site of lipid synthesis

    Correct Answer
    A. Power house of cell
    Explanation
    Mitochondria is called the "powerhouse of the cell" because it is responsible for producing the majority of the cell's energy in the form of ATP through cellular respiration. This organelle contains enzymes and proteins that are involved in the electron transport chain, which generates ATP through oxidative phosphorylation. The high energy molecules produced by the mitochondria are essential for various cellular processes, including metabolism, growth, and movement. Therefore, the term "powerhouse of the cell" accurately describes the vital role of mitochondria in energy production.

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  • 3. 

    Plasma membrane is a

    • Semipermiable

    • Non permeable 

    Correct Answer
    A. Semipermiable
    Explanation
    The correct answer is "Semipermeable." The plasma membrane is a selectively permeable barrier that allows certain substances to pass through while preventing others from entering or leaving the cell. It regulates the movement of molecules and ions, maintaining the cell's internal environment. This property of the plasma membrane is essential for cellular processes such as nutrient uptake, waste removal, and maintaining homeostasis.

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  • 4. 

    Fluid connective tissue of our body is 

    • Blood

    • Joint

    • Bone

    • Cartilage

    Correct Answer
    A. Blood
    Explanation
    Blood is considered a fluid connective tissue because it is composed of cells suspended in a liquid matrix called plasma. It functions to transport oxygen, nutrients, hormones, and waste products throughout the body. Blood also plays a crucial role in regulating body temperature, pH balance, and immune responses. It is formed in the bone marrow and circulates through blood vessels, making it a vital component of the circulatory system.

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  • 5. 

    Ribosomes are called 

    • Site for Protein synthesis

    • Site for lipid synthesis

    • Power house of the cell

    Correct Answer
    A. Site for Protein synthesis
    Explanation
    Ribosomes are called the site for protein synthesis because they are responsible for translating the genetic code from the DNA into proteins. They are found in the cytoplasm of the cell and on the endoplasmic reticulum. Ribosomes read the messenger RNA (mRNA) and use it as a template to assemble amino acids into a protein chain. This process is essential for the production of proteins, which are involved in various cellular functions and structures. Therefore, ribosomes play a crucial role in protein synthesis within the cell.

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  • 6. 

    Abnormal increase in WBC count is called as

    • Ischemia

    • Leukemia

    • Thrombocytopenia

    • Scurvey

    Correct Answer
    A. Leukemia
    Explanation
    Leukemia is the correct answer because it refers to the abnormal increase in white blood cell (WBC) count. Leukemia is a type of cancer that affects the bone marrow and leads to the production of excessive and abnormal WBCs. This condition can cause various symptoms, such as fatigue, frequent infections, and easy bleeding or bruising. Ischemia refers to reduced blood supply to tissues, thrombocytopenia is a decrease in platelet count, and scurvy is a vitamin C deficiency.

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  • 7. 

    Vacules are more in 

    • Plant cell

    • Animal cell

    Correct Answer
    A. Plant cell
    Explanation
    Vacuoles are more in plant cells compared to animal cells. Plant cells have a large central vacuole that occupies a significant portion of the cell's volume. This vacuole is responsible for storing water, nutrients, and waste products. It helps in maintaining turgidity and providing structural support to the plant. Animal cells, on the other hand, have smaller and fewer vacuoles that are involved in various functions such as storage, excretion, and transport of molecules. Therefore, the presence of a large central vacuole in plant cells makes them have more vacuoles compared to animal cells.

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  • 8. 

    Decrease in platelet count causes

    • Blood loss

    • Delay in blood clotting

    • Haemorage

    • All of above

    Correct Answer
    A. All of above
    Explanation
    A decrease in platelet count can lead to various consequences, including blood loss, delay in blood clotting, and hemorrhage. Platelets are crucial for blood clot formation, and a decrease in their numbers can impair the body's ability to stop bleeding. This can result in blood loss, as well as a delay in the clotting process. Additionally, a low platelet count can increase the risk of hemorrhage, which refers to excessive bleeding, both internally and externally. Therefore, all of the given options are correct outcomes of a decrease in platelet count.

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  • 9. 

    Pernicious anemia is due to deficiency of 

    • Intrinsic factor

    • Deficiency of calcium

    Correct Answer
    A. Intrinsic factor
    Explanation
    Pernicious anemia is a condition caused by a deficiency of intrinsic factor, a protein produced by the stomach that is necessary for the absorption of vitamin B12. Without intrinsic factor, vitamin B12 cannot be absorbed properly by the body, leading to a decrease in red blood cell production and the development of anemia. Deficiency of calcium is not related to pernicious anemia.

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  • 10. 

    Eukaryotic  cells are present in 

    • Unicellular organism

    • Multicellular organism

    • Bacteria

    • Virus

    Correct Answer
    A. Multicellular organism
    Explanation
    Eukaryotic cells are present in multicellular organisms because multicellular organisms are made up of multiple cells that have a nucleus and other membrane-bound organelles, which are characteristics of eukaryotic cells. Unicellular organisms, bacteria, and viruses are not made up of multiple cells and do not possess a nucleus or membrane-bound organelles.

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  • Current Version
  • Jan 20, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Apr 23, 2020
    Quiz Created by
    Vaishali Rawal
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