| COLUMN I | COLUMN II | ||
| A | Brown rust of wheat | P | Colletotrichum falcatum |
| B | Black rot of crucifers | Q | Xanthomonas campestris |
| C | Red rot of sugarcane | R | Phytophthora infestans |
| D | Late blight of potato | S | Puccinia graminis |
| A | B | C | D | |
| 1. | S | Q | P | R |
| 2. | S | Q | R | P |
| 3. | S | R | P | Q |
| 4. | R | Q | R | S |
| 1. | Mycelium is unbranched and coenocytic |
| 2. | Sex organs are absent and plasmogamy does not take place |
| 3. | Asexual spores are not found but vegetative reproduction by fragmentation is common |
| 4. | Basidiospores are produced endogenously on the basidium |
| Group of protozoans | Example | ||
| A. | Amoeboid | P. | Entamoeba |
| B. | Flagellated | Q. | Paramecium |
| C. | Ciliated | R. | Trypanosoma |
| D. | Sporozoan | S. | Plasmodium |
| A | B | C | D | |
| 1. | Q | S | P | R |
| 2. | S | Q | R | P |
| 3. | P | R | Q | S |
| 4. | R | P | S | Q |
| 1. | They are most abundant bacteria in nature |
| 2. | Many of them are important decomposers |
| 3. | They play a great role in recycling nutrients like nitrogen, phosphorus, iron and sulphur |
| 4. | They are helpful in making curd from milk, production of antibiotics, fixing nitrogen in legume roots, etc. |