Question 108

Match the micro-organisms given in Column A with their action given in Column B.<br>Column A<br>A. Rhizobium<br>B. Lactobacillus<br>C. A protozoan<br>D. A fungi<br>Column B<br>i. Causing Malaria<br>ii. Rust of Wheat<br>iii. Setting of curd<br>iv. Nitrogen fixation<br>Choose the correct answer from the options given below.

Solution

Rhizobium in the root nodules of legumes fixes nitrogen (iv), and Lactobacillus sets milk into curd (iii). Malaria is caused by the protozoan Plasmodium (i), and rust of wheat is a fungal disease (ii). This is option c.

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