Fungi,Viruses and Bacterial Plant Diseases

Q. Match the given diseases with their respective causative agents.
$\begin{array}{cccc}& Disease& & Pathogen\\ 1& Brownrustofwheat& a& Fungus\\ 2& Lateblightofpotato& b& Bacteria\\ 3& Blackrotofcrucifers& c& Virus\\ 4& Turnipmosaic& & \end{array}$

1. 1 - a, 2 - a, 3 - b, 4 - c
2. 1 - a, 2 - c, 3 - b, 4 - c
3. 1 - b, 2 - a, 3 - b, 4 - c
4. 1 - b, 2 - a, 3 - c, 4 - b

Q. The mung bean variety developed through induced mutations, possesses resistance to which disease(s)?

1. Yellow mosaic virus
2. Powdery mildew
3. Both A & B
4. Black rot

Q.

Which one of the following is not a fungal disease?

1. Rust of wheat

2. Smut of bajra

3. Black rot of crucifers

4. Red rot of sugarcane

Q. Match the diseases in plants with the causative organisms.

1. Virus
2. Bacteria
3. Rust
4. Rot
5. Mosaic
6. Fungi