Question

________ is also known as bread mould.

• A. Oedogonium
• B. Rhizopus
• C. Ceratium
• D. Daphnia

Answer 1

The correct option is (B): ​

Explanation of the correct option:

1. ​Rhizopus stolonifer is also known as bread mould because it is a black mould that grows on bread.
   
2. It grows when the bread is exposed to air as the spores float around.
   
3. If mould appears on bread, then it is considered to be spoilt.
   

Explanation of the incorrect options:

Option (A):

1. Oedogonium is a free-living green algae that resides in the fresh water habitat.
2. ​It helps in the fixation of heavy metals in the ecosystem where they are present.
   

Option (C):

1. ​Ceratium is a dinoflagellate which reside in the coastal waters.
   

Option (D):

1. ​Daphnia are crustaceans that act as important source of food for fishes and other aquatic organisms.
   

Final Answer: Rhizopus is also known as bread mould.