Introduction to Zoology and Biological Sciences

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Questions and Answers

What is zoology primarily concerned with?

  • Study of human behavior
  • Study of microorganisms
  • Study of animals (correct)
  • Study of plants

Which term refers to the most basic unit of life?

  • Organism
  • Molecule
  • Cell (correct)
  • Tissue

Which of the following branches of science specifically studies natural phenomena?

  • Applied Science
  • Social Science
  • Abstract Science
  • Natural Science (correct)

Who is known as the father of Botany?

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

Which of the following correctly describes the relationship between zoology and microbiology?

<p>They are both branches of biology (A)</p> Signup and view all the answers

Abstract science primarily deals with which of the following studies?

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

The term 'zoology' is derived from which two Greek words?

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

Which branch of science is specifically the study of non-living matter?

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

Who is recognized as the father of zoology?

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

Which branch of zoology focuses on the study of reptiles?

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

What term describes the study of the structure of living organisms?

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

Which branch of zoology is concerned with the study of insects?

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

Which of the following macromolecules is NOT one of the primary categories mentioned?

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

Which type of carbohydrate is made of a single sugar unit?

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

What type of relationship does ecology study?

<p>The relationships between living organisms and their environment (A)</p> Signup and view all the answers

What is typically considered the oldest living system characteristic?

<p>Demonstration of unique molecular organization (C)</p> Signup and view all the answers

What are triglycerides primarily known as?

<p>Type of fat (D)</p> Signup and view all the answers

Which of the following lipids makes up a protective layer between the cell and its outer membrane?

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

Which molecule is responsible for storing information for reproduction and cellular growth?

<p>Deoxyribonucleic Acid (DNA) (D)</p> Signup and view all the answers

Which of the following is not a function of living systems?

<p>Create energy from non-living matter (C)</p> Signup and view all the answers

What is the primary role of insulin in the human body?

<p>Regulates blood sugar levels (C)</p> Signup and view all the answers

In biological hierarchy, what is the result of cells dividing?

<p>Production of new cells (C)</p> Signup and view all the answers

What is a genetic program's primary function in living organisms?

<p>Provide fidelity of inheritance (B)</p> Signup and view all the answers

Which molecule in blood is known for carrying oxygen?

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

What structure contains the genetic information in most organisms?

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

What is the term for the study of organismal interaction with their environment?

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

Which of the following best describes metabolism?

<p>The sum of all catabolic and anabolic reactions (C)</p> Signup and view all the answers

In the context of multicellular organisms, development refers to which process?

<p>The changes undergone from origin to adult form (C)</p> Signup and view all the answers

Which statement distinguishes eukaryotic cells from other types of cells?

<p>Eukaryotic cells contain membrane-enclosed nuclei. (D)</p> Signup and view all the answers

What type of organism must rely on external food sources for nutrition?

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

Which of the following processes is not characteristic of living systems?

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

What is the primary function of energy extraction in living organisms?

<p>To initiate controlled movements (D)</p> Signup and view all the answers

Flashcards

What is Zoology?

The branch of biology focused on the study of animals.

What is Science?

Knowledge gained through experiments and observations; the study of the natural world.

What is Social Science?

Focuses on human behavior and societies.

What is Natural Science?

Deals with natural phenomena, including biology, chemistry, and physics.

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What is Abstract Science?

Involves the study of mathematics and statistics.

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What is Botany?

Study of plants.

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What is Microbiology?

Study of microorganisms.

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Who is Aristotle?

Known as the Father of Zoology.

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Who is Theophrastus?

Regarded as the Father of Botany.

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Who is Louis Pasteur?

Recognized as the Father of Microbiology.

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What is Herpetology?

Study of reptiles and amphibians.

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What is Entomology?

Study of insects.

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What is Ornithology?

Study of birds.

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What is Ecology?

Study of relationships between organisms and their environment.

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What is Physiology?

Study of functions and processes in organisms.

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What is Morphology?

Study of the structure of organisms.

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What is Taxonomy?

Classification of organisms.

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What are Nucleic Acids?

DNA and RNA, which direct genetic information.

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What are Proteins?

Made from amino acids; perform functions like structure and transport.

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What are Carbohydrates?

Main energy sources and structural components in cells.

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What are Lipids?

Includes triglycerides and phospholipids; essential for energy storage and cell membranes.

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What is Hemoglobin?

Transports oxygen in the blood.

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What is Insulin?

Regulates blood sugar levels.

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What is Collagen?

Provides structure to tissues.

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What are Catabolic Reactions?

Breaking down reactions in metabolism.

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What are Anabolic Reactions?

Building up reactions in metabolism.

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What is Reproduction?

Capacity to produce offspring.

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What is Growth?

Increase in size or number of cells.

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What is Response to Stimuli?

Reaction to environmental changes.

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What is Development?

Progressive changes throughout life cycles.

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Study Notes

Definition and Scope of Zoology

  • Zoology is a branch of biology focused on the study of animals.
  • It examines family relationships among animals and their classification.

Key Concepts in Science

  • Science derives from the Latin "scientia," meaning knowledge; it studies the natural world through experiments and observations.
  • Fields of Science:
    • Social Science: Focuses on human behavior and societies.
    • Natural Science: Concerned with natural phenomena, including biology.
    • Abstract Science: Involves the study of mathematics and statistics.

Biology and Its Branches

  • Biology encompasses the study of living organisms and includes several subfields:
    • Zoology: Study of animals.
    • Botany: Study of plants (also known as Phytology).
    • Microbiology: Study of microorganisms.

Historical Figures in Zoology

  • Aristotle: Known as the Father of Zoology.
  • Theophrastus: Regarded as the Father of Botany.
  • Louis Pasteur: Recognized as the Father of Microbiology.

Branches of Zoology

  • Major branches include:
    • Herpetology: Study of reptiles and amphibians.
    • Entomology: Study of insects.
    • Ornithology: Study of birds.
    • Ecology: Study of relationships between organisms and their environment.
    • Physiology: Study of functions and processes in organisms.
    • Morphology: Study of the structure of organisms.
    • Taxonomy: Classification of organisms.

Molecular Biology Basics

  • Living organisms are composed of macromolecules:
    • Nucleic Acids: DNA and RNA direct genetic information.
    • Proteins: Made from amino acids, perform various functions such as structure and transport.
    • Carbohydrates: Serve as main energy sources and structural components in cells.
    • Lipids: Includes triglycerides and phospholipids, essential for energy storage and cellular membranes.

Cellular Structures and Functions

  • Cells are the basic unit of life, consisting primarily of carbon, hydrogen, oxygen, and nitrogen.
  • Proteins play critical roles in cellular functions, including:
    • Hemoglobin: Oxygen transport.
    • Insulin: Regulates blood sugar.
    • Collagen: Provides structure to tissues.

Hierarchical Organization of Living Systems

  • Biological hierarchy progresses from molecules to cells, tissues, organisms, populations, and species.
  • Living systems reproduce through genetic information contained in DNA.

Metabolism and Energy Management

  • Metabolism consists of catabolic (breaking down) and anabolic (building up) reactions.
  • Organisms acquire nutrients and energy from the environment, essential for growth and activity.

Ecology and Environment Interaction

  • Ecology studies interactions between organisms and their environments.
  • Organisms exhibit responses to environmental stimuli, showcasing controlled movements.

Characteristics of Living Organisms

  • All living organisms exhibit key characteristics:
    • Reproduction: Capacity to produce offspring.
    • Growth: Increase in size or number of cells.
    • Response to Stimuli: Reaction to environmental changes.
    • Development: Progressive changes throughout life cycles.

Classification of Organisms

  • Multicellular: Composed of multiple cells.
  • Eukaryotes: Cells with membrane-bound nuclei.
  • Heterotrophs: Organisms that depend on external food sources for energy.

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