EVERYDAY SCIENCE

SCIENCE

PLANT KINGDOM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
In some arctic and alpine regions,the snow appears red,This ,red snow, phenomenon is caused by.
A
Fluorescence
B
Growth of a red -flowered plant
C
Growth of an alga
D
Reflection of red light
Explanation: 

Detailed explanation-1: -Chlamydomonas nivalis is a unicellular red-coloured photosynthetic green alga that is found in the snowfields of the alps and polar regions all over the world. They are one of the main algae responsible for causing the phenomenon of watermelon snow, where patches of snow appear red or pink.

Detailed explanation-2: -red snow, snow or ice surfaces, usually overlying soil on mountains, that are coloured by algae such as Chlamydomonas or Raphidonema. During seasons when there is little sunlight and temperatures are below the freezing point, the algae are dormant. This article was most recently revised and updated by Amy Tikkanen.

Detailed explanation-3: -Red snows are a worldwide phenomenon during the melt season and are caused by blooms of red-pigmented green algae (Chlorophyceae) in thawing snow.

Detailed explanation-4: -The Greek philosopher was right: it is the algae that give the snow its red tinge. This alga species, Chlamydomonas Chlamydomonas nivalis, exists in snow in the polar and glacial regions, and carries a red pigment to keep itself warm .

Detailed explanation-5: -cryoflora, also called cryovegetation, or cryophytes, algae that live in snow and ice.

There is 1 question to complete.