Endoplasmic Reticulum Structure and Functions Quiz

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Questions and Answers

What is the main function of connective tissues in the heart?

  • To provide electrical signals for the heartbeat
  • To pump blood to the rest of the body
  • To regulate the rhythm of the heartbeat
  • To connect the systems in the organ (correct)

Which type of muscles is responsible for producing movements in different parts of the body?

  • Epithelial muscles
  • Skeletal muscles (correct)
  • Smooth muscles
  • Cardiac muscles

What is the primary function of the male reproductive system?

  • To produce sperm and male sex hormone (correct)
  • To maintain balance of bodily fluids
  • To generate energy for the body
  • To produce blood cells

What is the role of nerve tissue in the heart's function?

<p>To regulate the rhythm of the heartbeat (D)</p>
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Which organs are part of the lymphatic system?

<p>Spleen, lymph nodes, and lymph vessels (D)</p>
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What are the components of the nervous system?

<p>Otak, saraf tunjang, dan saraf periferi (A)</p>
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What happens to the plant cell when water is absorbed into the vacuole?

<p>The cell becomes turgid (A)</p>
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What is the primary function of the vacuole in plant cells?

<p>Storage and maintenance of turgidity (B)</p>
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What is the main component of the strong and rigid outer layer of plant cells?

<p>Cellulose fiber (B)</p>
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How does the permeability of the outer layer of plant cells compare to the cell membrane?

<p>Fully permeable (C)</p>
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Which of the following is an example of a protozoan?

<p>Paramecium sp. (B)</p>
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Can unicellular organisms perform all life processes like multicellular organisms?

<p>Yes, they are a complete unit of life (A)</p>
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Which structure controls the opening and closing of the stoma?

<p>Modified lower epidermal cells (B)</p>
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What is the function of the long, continuous hollow tube in plants?

<p>Transporting water and mineral salts (C)</p>
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What is the arrangement of cells in the structure that allows maximum absorption of sunlight for photosynthesis?

<p>Long cylindrical cells arranged vertically and close to each other (C)</p>
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Which type of tissue is responsible for the exchange of oxygen and carbon dioxide?

<p>None of the above (D)</p>
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What does the palisade mesophyll contain?

<p>High chlorophyll density (A)</p>
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What is the function of cells being organized into tissues?

<p>To allow cells of the same type and function to work together (B)</p>
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How does Paramecium sp. move?

<p>Using rhythmic cilia beats. (A)</p>
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How does Amoeba sp. trap food particles?

<p>By extending its pseudopodium to trap food particles by phagocytosis. (A)</p>
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What happens to the food vacuole in these organisms?

<p>It is combined with lysosomes and the food particles are hydrolyzed by the enzyme lysozyme in the lysosomes. (B)</p>
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How are waste products like carbon dioxide and ammonia removed by Amoeba sp. and Paramecium sp.?

<p>By diffusion. (B)</p>
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In what type of environment do Amoeba sp. and Paramecium sp. live?

<p>Freshwater environments. (C)</p>
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What occurs when the contractile vacuole in Amoeba sp. and Paramecium sp. expands to the maximum size?

<p>Contraction occurs and water is excreted from time to time. (B)</p>
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What is the primary function of the rough endoplasmic reticulum?

<p>Transporting proteins synthesized by ribosomes (A)</p>
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What is the relationship between the endoplasmic reticulum and the nuclear membrane?

<p>The endoplasmic reticulum and nuclear membrane are continuous (B)</p>
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What is the primary function of chlorophyll in a plant cell?

<p>Absorbing sunlight and converting it to chemical energy during photosynthesis (A)</p>
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How does the size and number of vacuoles differ between young and mature plant cells?

<p>Young plant cells have many small vacuoles, while mature plant cells have a large vacuole (A)</p>
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What is the function of the smooth endoplasmic reticulum in a plant cell?

<p>Synthesizing and transporting glycerol and lipids (A)</p>
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What type of endoplasmic reticulum provides a wide surface for enzyme attachment and biochemical reactions?

<p>Rough endoplasmic reticulum (C)</p>
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