Spirogyra are commonly known as “Pond Silk” because its:
- B Filament are slippery to touch.
- Filament are made up of silk
- Filament makes the pond slippery.
- None of these
Explanation
Spirogyra is called pond silk because it is very slimy and hence slippery to the touch.
It is a freshwater green algae
They are found in shallow ponds, ditches, and lakes.
They are free-floating.
Additional informational:
Spirogyra's two-layered cell walls are composed of pectin on the outside and cellulose on the inside.
The body of the spirogyra has a shiny and silky texture due to the mucilage
that is produced when this pectin dissolves in water. Pond silk gets its name from this.
Related MCQs
ہوا میں نمی کس آلے سے ناپی جاتی ہے؟
- Barometer
- Hygrometer
- Both A and B
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
البومین فوبیا کس چیز کا خوف ہے؟
- Fear of blood
- Fear of kidney disease
- Fear of water
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
آپتھلمولوجی کس کے مطالعے سے متعلق ہے؟
- Nerves
- Blood
- Eyes
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
چٹان کا مطالعہ کیا کہلاتا ہے؟
- Petrology
- Edaphology
- Petrogenesis
- Pedology
اس سوال کو وضاحت کے ساتھ پڑھیں
وہ پودا جو اپنی خوراک خود تیار نہ کر سکے اسے کہتے ہیں؟
- Autotroph
- Heterotroph
- Saprophyte
- Photosynthetic
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