'Pond silk' is the common name of
A. Spongilla
B. Chlorella
C. Selaginella
D. Spirogyra
Answer: Option D
Solution(By Examveda Team)
The correct answer is option D. Spirogyra.'Pond silk' is the common name given to Spirogyra, a filamentous green algae commonly found in freshwater habitats such as ponds, lakes, and slow-moving streams. Spirogyra is known for its long, thread-like filaments that appear silky and slimy.
Spongilla (option A) refers to a freshwater sponge, not 'pond silk'.
Chlorella (option B) is a genus of single-celled green algae that is not typically referred to as 'pond silk'.
Selaginella (option C) is a genus of spikemosses, which are vascular plants and not related to algae.
Therefore, the correct answer is option D. Spirogyra, as it matches the description of 'pond silk'.
Related Questions on Biology
Ordinary table salt is sodium chloride. What is baking soda?
A. Potassium chloride
B. Potassium carbonate
C. Potassium hydroxide
D. Sodium bicarbonate
A. hole in ozone layer
B. decrease in the ozone layer in troposphere
C. decrease in thickness of ozone layer in stratosphere
D. increase in the thickness of ozone layer in troposphere
A. angiosperms
B. gymnosperms
C. monocotyledons
D. dicotyledons
Pollination is best defined as
A. transfer of pollen from anther to stigma
B. germination of pollen grains
C. growth of pollen tube in ovule
D. visiting flowers by insects
Join The Discussion