General Biology 1 - First Semester (1st Quarter)
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Questions and Answers

Which of the following is the correct statement about the cell theory?

  • The cell theory states that all cells have the same structure
  • The cell theory states that prokaryotic cells are more complex than eukaryotic cells
  • The cell theory states that all living organisms are made up of cells (correct)
  • The cell theory states that all cells have a nucleus

What is the main difference between prokaryotic and eukaryotic organisms?

  • Prokaryotic organisms are unicellular, while eukaryotic organisms are multicellular (correct)
  • Prokaryotic organisms are more complex than eukaryotic organisms
  • Prokaryotic organisms have a nucleus, while eukaryotic organisms do not
  • Prokaryotic organisms have membrane-bound organelles, while eukaryotic organisms do not

What is the basic structure that all cells have in common?

  • Cell membrane, nucleus, and mitochondria
  • Cell membrane, cytoplasm, and organelles (correct)
  • Cell wall, cytoplasm, and nucleus
  • Cell wall, nucleus, and chloroplasts

What is the correct categorization of living organisms based on cell structure?

<p>Prokaryotes and eukaryotes (A)</p> Signup and view all the answers

Which scientist is known for his experiments on spontaneous generation and the use of swan-necked flasks?

<p>Louis Pasteur (C)</p> Signup and view all the answers

Which scientist is credited with formulating the cell theory?

<p>Louis Pasteur (C)</p> Signup and view all the answers

What is the main difference between prokaryotic and eukaryotic organisms?

<p>Prokaryotic organisms are unicellular, while eukaryotic organisms are multicellular. (A)</p> Signup and view all the answers

Which of the following is NOT a characteristic of all cells?

<p>Are multicellular (C)</p> Signup and view all the answers

Which of the following statements about cells is correct?

<p>All cells have the same basic structure (D)</p> Signup and view all the answers

Which of the following is true about prokaryotic organisms?

<p>They are single-celled organisms (A)</p> Signup and view all the answers

Which of the following is true about eukaryotic organisms?

<p>They are multicellular organisms (D)</p> Signup and view all the answers

Which of the following is NOT one of the main tissues of plants?

<p>Meristematic tissue system (C)</p> Signup and view all the answers

What is the function of muscle cells in plants?

<p>Structural support (B)</p> Signup and view all the answers

Which type of tissue is responsible for transport of water and nutrients in plants?

<p>Vascular tissue (A)</p> Signup and view all the answers

What is the function of guard cells in plants?

<p>Regulation of gas exchange (A)</p> Signup and view all the answers

What is the function of red blood cells in animals?

<p>Transport of oxygen (C)</p> Signup and view all the answers

Which of the following is NOT one of the main tissues of plants?

<p>Vascular tissue (B)</p> Signup and view all the answers

What is the function of guard cells in plants?

<p>For regulating gas exchange (D)</p> Signup and view all the answers

What is the function of muscle cells in animals?

<p>For movement (A)</p> Signup and view all the answers

Which of the following is NOT one of the main tissues of plants?

<p>Vascular tissue (B)</p> Signup and view all the answers

What is the function of red blood cells in animals?

<p>Transport of oxygen (C)</p> Signup and view all the answers

Which scientist is credited with formulating the cell theory?

<p>Robert Hooke (D)</p> Signup and view all the answers

Which of the following is NOT one of the main tissues of plants?

<p>Muscle tissue (A)</p> Signup and view all the answers

Which of the following is NOT a type of connective tissue?

<p>Muscle (B)</p> Signup and view all the answers

Which of the following is the correct categorization of living organisms based on cell structure?

<p>Prokaryotes and eukaryotes (A)</p> Signup and view all the answers

Which of the following is the correct order of organization in plants?

<p>tissues-cells-organs-organ systems-organism (A)</p> Signup and view all the answers

Which of the following statements about tissues is true?

<p>Tissues are groups of cells that have specific function. (C)</p> Signup and view all the answers

Which of the following is true about the human body?

<p>The human body consists of eleven organ systems. (C)</p> Signup and view all the answers

Which of the following is an example of an organ?

<p>Stomach (C)</p> Signup and view all the answers

Which of the following is the correct level of organization of an organism?

<p>Organism-cell-tissue-organ system-organ (A)</p> Signup and view all the answers

Which of the following is true about the organization of multicellular organisms?

<p>They are divided into five levels: cells, tissues, organs, organ systems, and organisms (D)</p> Signup and view all the answers

Which of the following is NOT one of the main tissues of plants?

<p>Epithelial tissue (C)</p> Signup and view all the answers

Which of the following is true about cells?

<p>Cells are the basic unit of life in all organisms (A)</p> Signup and view all the answers

Which of the following statements about plant cells is true?

<p>Plant cells can replicate themselves and become tissues. (D)</p> Signup and view all the answers

Which of the following is NOT a level of organization in multicellular organisms?

<p>Organisms (C)</p> Signup and view all the answers

Which of the following is an example of an organ system in plants?

<p>Root system (A)</p> Signup and view all the answers

Which type of muscle is responsible for pumping blood throughout the body?

<p>Cardiac muscle (D)</p> Signup and view all the answers

What is the primary function of the skeletal system?

<p>To protect internal organs (C)</p> Signup and view all the answers

What is the function of tendons?

<p>To connect skeletal muscles to bones (A)</p> Signup and view all the answers

What is the primary function of the respiratory system?

<p>To carry out the exchange of gases (D)</p> Signup and view all the answers

What is the function of the circulatory system?

<p>To act as a delivery and waste removal system for the body (C)</p> Signup and view all the answers

Which type of muscle is responsible for voluntary movements such as speaking, walking, or writing?

<p>Skeletal muscle (B)</p> Signup and view all the answers

What is the primary function of the skeletal system?

<p>To support and protect the body's organs (C)</p> Signup and view all the answers

Which of the following is NOT a primary organ of the respiratory system?

<p>Heart (D)</p> Signup and view all the answers

Which of the following is responsible for the strength and flexibility of the skin?

<p>Keratinocytes (B)</p> Signup and view all the answers

Which type of muscle is found only in the heart?

<p>Cardiac muscle (C)</p> Signup and view all the answers

What is the primary function of the skeletal system?

<p>To form a solid framework that supports and protects the body's organs (B)</p> Signup and view all the answers

Which organ system is responsible for controlling moods, growth and development, metabolism, organs, and reproduction?

<p>Endocrine system (B)</p> Signup and view all the answers

Which organ is known as the 'master gland' and regulates the function of other organs and glands in the body?

<p>Pituitary gland (C)</p> Signup and view all the answers

Which organ system is responsible for filtering harmful substances like bacteria and cancer cells from the body?

<p>Lymphatic system (A)</p> Signup and view all the answers

Which organ system consists of the brain, spinal cord, sensory organs, and nerves?

<p>Nervous system (B)</p> Signup and view all the answers

Which organ system is responsible for reproduction in both males and females?

<p>Reproductive system (B)</p> Signup and view all the answers

Which of the following is responsible for controlling the release of hormones and maintaining daily physiological cycles?

<p>Hypothalamus (B)</p> Signup and view all the answers

Which organ is responsible for converting the food we eat into fuel for the body's cells?

<p>Pancreas (A)</p> Signup and view all the answers

Which organ system is responsible for the control of the body and communication among its parts?

<p>Nervous system (D)</p> Signup and view all the answers

Which organ system is responsible for converting the food we eat into fuel for the body's cells?

<p>Digestive system (C)</p> Signup and view all the answers

Which organ system controls the release of hormones and maintains daily physiological cycles?

<p>Hypothalamus (A)</p> Signup and view all the answers

Which organ system filters harmful substances like bacteria and cancer cells from the body?

<p>Lymphatic system (D)</p> Signup and view all the answers

During meiosis, the resulting reproductive cells, or gametes, each have how many genetically unique chromosomes?

<p>23 (A)</p> Signup and view all the answers

What is the main difference between the daughter cells produced during meiosis and mitosis?

<p>Daughter cells in meiosis are genetically diverse, while daughter cells in mitosis are genetically identical. (C)</p> Signup and view all the answers

Which stage of meiosis is characterized by the separation of homologous chromosomes and their movement towards the spindle poles?

<p>Anaphase I (C)</p> Signup and view all the answers

What is crossing over in meiosis?

<p>The swapping of genetic material that occurs between non-sister chromatids. (A)</p> Signup and view all the answers

What is the result of meiosis?

<p>Four cells containing half the original amount of genetic information. (D)</p> Signup and view all the answers

During meiosis, how many daughter cells are produced from one single parent cell?

<p>Four (C)</p> Signup and view all the answers

Which of the following is true about the daughter cells produced during meiosis?

<p>They are genetically diverse (B)</p> Signup and view all the answers

What is the purpose of crossing over in meiosis?

<p>To create genetically diverse daughter cells (A)</p> Signup and view all the answers

During meiosis, how many times does a single cell divide?

<p>Twice (A)</p> Signup and view all the answers

Which of the following is NOT a characteristic of meiosis?

<p>Each daughter cell has a complete set of 46 chromosomes (C)</p> Signup and view all the answers

What is the main difference between meiosis and mitosis?

<p>Meiosis produces genetically diverse daughter cells, while mitosis produces genetically identical daughter cells (B)</p> Signup and view all the answers

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