Question

Which of the following mushrooms contains muscarine?
A. Agaricus bisporus
B. Volvariella volvacea
C. Pleurotus sojar
D. Amanita muscaria

Answer 1

Mushroom is a fruity body of fungus, which is fleshy and edible. It is typically produced above ground. They belong to several species of macro fungi. They are in umbrella shape. Mushrooms are the source of important nutrients. Toadstools are poisonous counterparts of mushrooms. Mushrooms are rich vitamins, minerals, protein and antioxidants. Costs of mushrooms range from nominal fare to grand delicacy.

Complete answer:
Option A Agaricus bisporus : Though Agaricus bisporus contains edible mushrooms, it contains a few poisonous compounds, namely hydrazines, which is one of the carcinogenic chemicals.
Option A is not correct
Option B Volvariella volvacea : Volvariella volvacea is poisonous while eaten raw. But, it is not poisonous after cooking. It causes rhabdomyolysis. It contains volvatoxin A
Hence, Option B is not correct
Option C Pleurotus sojar : It is a saprophytic mushroom. It is highly edible, containing carotenoids. It is served as a nutraceutical. It has antineoplastic properties.
So, Option C is not correct
Option D Amanita muscaria : Amanita muscaria is a fly agaric mushroom as it attracts and kills flies. Hallucinogenic chemicals like ibotenic acid and muscimol are present in this fungus. Muscarine is a trace compound discovered in this mushroom
Option D is correct

Hence, Option D is the correct answer

Note:
Muscarine is one of the monosaccharide components. It is one of the toxic alkaloids. The compound causes parasympathetic activation, which leads to convulsions and death. It is a pharmacologically active alkaloid. When ingested, it is dangerous as it crosses the blood brain barrier. Diarrhea, polyuria, excessive sweating, increased salivation, lachrymation and blurred vision are caused by muscarine.