Pharmacognosy: The Study of Crude Drugs
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Questions and Answers

What does the science of pharmacognosy deal with?

  • Only the cultivation of medicinal plants
  • The history and cultivation of crude drugs (correct)
  • The classification of the plant kingdom
  • The study of living organisms

    • What is the origin of the word 'Pharmacognosy'?

  • Derived from Sanskrit meaning plant classification
  • Arabic origin meaning to study medicinal properties
  • Latin origin meaning knowledge of drugs
  • Greek origin meaning to acquire a knowledge of poisons (correct)

    • Which domain of living organisms does pharmacognosy primarily study?

  • Eukaryotes (correct)
  • Prokaryotes
  • Bacteria
  • Archaea

    • What is the main focus of pharmacognosy?

    <p>History and chemical composition of crude drugs (D)</p> Signup and view all the answers

    What type of organisms lack a membrane-bound nucleus and are considered prokaryotes?

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

    Pharmacognosy primarily focuses on the study of synthetic drugs rather than natural drugs.

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

    Pharmacognosy deals with the study of the structural, physical, and chemical characteristics of synthetic drugs.

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

    Medicinal plants are known for their harmful effects on the human or animal body.

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

    Eukaryotes can only be multicellular organisms.

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

    Prokaryotes do not have a membrane-bound nucleus, mitochondria, or any other membrane-bound organelles.

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

    Pharmacognosy primarily focuses on the study of synthetic drugs rather than natural drugs.

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

    Pharmacognosy primarily deals with the study of crude drugs of vegetable, animal, and mineral origin.

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

    Prokaryotes are multicellular organisms with a membrane-bound nucleus.

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

    The word 'Pharmacognosy' is derived from the Greek words Pharmakon and Gnosis, meaning the knowledge of drugs or poisons.

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

    Medicinal plants are known for their beneficial pharmacological effects on the human or animal body.

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

    Pharmacognosy primarily focuses on the study of synthetic drugs rather than natural drugs.

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

    Medicinal plants are known for their harmful effects on the human or animal body.

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

    Eukaryotes can be unicellular organisms.

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

    Pharmacognosy primarily deals with the study of crude drugs of vegetable, animal, and mineral origin.

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

    Prokaryotes do not have a membrane-bound nucleus, mitochondria, or any other membrane-bound organelles.

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

    Flashcards

    Pharmacognosy definition

    The study of natural sources of drugs, including plants, animals, and minerals.

    Crude drugs

    Raw materials from natural sources used in medicine.

    'Pharmacognosy' meaning

    Knowledge of drugs

    Eukaryotes

    Living organisms with membrane-bound nuclei (and other organelles).

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    Prokaryotes

    Living organisms without membrane-bound nuclei (or other organelles).

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    Medicinal plants benefit

    They provide beneficial effects to humans and animals.

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    Synthetic drugs study

    Not the primary focus of pharmacognosy.

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    Prokaryotes example

    Archaebacteria is a type of prokaryote.

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    Eukaryotes unicellular?

    Eukaryotes can be single-celled (e.g., some algae).

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    Drugs origin

    Pharmacognosy studies the history and cultivation of crude drugs.

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    Natural vs. Synthetic drugs

    Pharmacognosy focuses on natural drugs, not synthetic ones.

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    Pharmacognosy focus

    Study of crude drugs of vegetable, animal, and mineral origin.

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    Harmful effects

    Medicinal plants aren't always harmful.

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    Prokaryotic cell structure

    Lack a membrane-bound nucleus, mitochondria, etc.

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    Pharmacognosy and History

    Pharmacognosy studies the history of these natural drugs.

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    Chemical composition

    A key aspect of pharmacognosy study.

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    Prokaryotes multi-cellular?

    No, prokaryotes are usually single-celled organisms.

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    Eukaryotic cell features

    Membrane-bound nucleus and other organelles are their distinguishing feature.

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