EVERYDAY SCIENCE

SCIENCE

BOTANY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The spores of which plant were used at one time in flash powder in photography?
A
Ferns
B
Club mosses
C
true mosses
D
horsetails
Explanation: 

Detailed explanation-1: -In the early days of photography, club moss spores, which contain a highly flammable oil, were used to make flash powder.

Detailed explanation-2: -Lycopodium powder is a yellow-tan dust-like powder, consisting of the dry spores of clubmoss plants, or various fern relatives. When it is mixed with air, the spores are highly flammable and are used to create dust explosions as theatrical special effects.

Detailed explanation-3: -They are not true mosses, which are non-vascular. Clubmosses are larger and taller. Clubmoss reproduction occurs through the dispersal of spores, found in sporangia, located singly or in groups, or in a yellow cone-like tip known as a strobilus. It can take up to 20 years for a clubmoss to mature and produce spores.

Detailed explanation-4: -club moss, (family Lycopodiaceae), also called ground pine, any of some 400 species of seedless vascular plants constituting the only family of the lycophyte order Lycopodiales.

Detailed explanation-5: -The spores repel water and have been used as a powder on skin rashes and even on baby bottoms, and to treat wounds. Clubmoss spores once were used by pharmacists in the coating of pills. In both the Americas and Europe, clubmoss plants were used in dyeing fabrics and other items.

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