Match the organisms to their respective classes .
`{:("Column I","Column II"),("(i) Rhizopus","(a) Deuteromycetes"),("(ii) Ustilago","(b) Phycomycetes"),("(iii)Aspergillus","(c) Basidiomycetes"),("(iv) Colletotrichum","(d) Ascomycetes"):}`

Options

A. i - c , ii - d , iii - a , iv - b
B. i - b , ii - c , iii - d , iv - a
C. i - d , ii - c , iii - b , iv - a
D. i - b , ii - d , iii - a , iv - c

Answer

To solve the question of matching the organisms to their respective classes, we will analyze each organism and determine which class they belong to based on the information provided.

### Step-by-Step Solution:

1. **Identify the Organisms and Their Classes**:
- We have four organisms:
- (i) Rhizopus
- (ii) Ustilago
- (iii) Aspergillus
- (iv) Colletotrichum
- We also have four classes:
- (a) Deuteromycetes
- (b) Phycomycetes
- (c) Basidiomycetes
- (d) Ascomycetes

2. **Classify Each Organism**:
- **Rhizopus**: This organism is a type of mold that belongs to the class **Phycomycetes**.
- **Ustilago**: This is a type of smut fungus, which belongs to the class **Basidiomycetes**.
- **Aspergillus**: This is a common mold and is classified under **Ascomycetes**.
- **Colletotrichum**: This organism is known as an imperfect fungus and falls under the class **Deuteromycetes**.

3. **Match Each Organism with Its Class**:
- (i) Rhizopus → (b) Phycomycetes
- (ii) Ustilago → (c) Basidiomycetes
- (iii) Aspergillus → (d) Ascomycetes
- (iv) Colletotrichum → (a) Deuteromycetes

4. **Final Matching**:
- (i) Rhizopus → (b)
- (ii) Ustilago → (c)
- (iii) Aspergillus → (d)
- (iv) Colletotrichum → (a)

### Conclusion:
The correct matches are:
- (i) Rhizopus → (b) Phycomycetes
- (ii) Ustilago → (c) Basidiomycetes
- (iii) Aspergillus → (d) Ascomycetes
- (iv) Colletotrichum → (a) Deuteromycetes