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Question

Which of the following organic compound coagulates the protoplasm in the human body?

This question was previously asked in
UPSSSC PET 2023 Question Paper (28-Oct-2023) (Shift 2)
The correct answer is

Methanal

However, compared to methanal, its effect on complex biological tissues like protoplasm at concentrations typically encountered is less pronounced in terms of rapid, extensive coagulation. Based on its chemical properties and biological effects, methanal is the organic compound among the choices that most effectively coagulates protoplasm.

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