Top 5 Deadliest Substances on Earth

Top 5 Deadliest Substances on Earth

Assessment

Interactive Video

Science, Chemistry, Health Sciences, Biology

11th Grade - University

Hard

Created by

Quizizz Content

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The video explores the assassination of Georgi Markov using ricin and delves into various natural poisons, including botulinum toxin, cyanide, ricin, strychnine, and amatoxins. It discusses their sources, effects, and lethality, highlighting the complexity of measuring poison potency and the development of antidotes. The video also touches on the potential use of these toxins in medical treatments, such as cancer therapy.

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10 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What was the cause of death for Georgi Markov?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

Why is it difficult to quantify the lethality of natural poisons?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the LD50 of botulinum toxin and why is it significant?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

What precautions should be taken regarding honey for infants?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the role of the antitoxin in relation to botulinum toxin?

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6.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain the mechanism by which cyanide acts as a poison.

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7.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe how Ricin is lethal and its source.

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