RRB JE Mock Test 2019

1. Smallest organism which cause disease –                  (3)

1. 1. Bacteria
2. 2. Virus
3. 3. Mycoplasm
4. 4. All

2. Bacteria which covert atmospheric nitrogen into nitrogenous compound are called –            (2)

1. 1. Denitrifying bacteria
2. 2. Nitrogen fixing bacteria
3. 3. Nitrifying bacteria
4. 4. Decomposing bacteria

3. Bacteria which is found in the intestine of human–          (1)

1. 1. Escherichia coli
2. 2. Vibrio cholerae
3. 3. Bacillus antherosis
4. 4. Corynebacterium diphtheriae

4. Tuberculosis is caused by–           (2)

1. 1. Virus
2. 2. Bacteria
3. 3. Protozoa
4. 4. Fungi

5. Name of bacteria which cause tuberculosis–       (1)

1. 1. Mycobacterium tuberculosis
2. 2. Vibrio cholrae
3. 3. Bacillus coli
4. 4. Escherichia coli