11.
Match the products in Group I with their respective organisms in Group II.
Group I Group II
P. Glycerol 1. Corynebacterium glutamicum
Q. Glutamic acid 2. Alcaligenes faecalis
R. Curdlan 3. Dunaliella salina
S. Amphotericin B 4. Streptomyces nodosus

13.
Match the viruses in Group I with their host cell receptors in Group II.
Group I Group II
P. Hepatitis A virus 1. Heparan sulphate
Q. Human immunodeficiency virus 2. Acetylcholine receptor
R. Rabies virus 3. CD4 protein
S. Herpes simplex virus 4. Alpha-2 macroglobulin

18.
Match Group I with Group II.
List-I List-II
P. Staphylococcus aureus 1. Biofilms
Q. Candida albicans 2. Bacteriocins
R. Mycobacterium tuberculosis 3. Methicillin resistance
S. Lactobacillus lactis 4. Isoniazid

19.
Match the industrial products mentioned in Group I with their producer organisms in Group II.
Group I Group II
P. Citric acid 1. Trichoderma viride
Q. Cellulase 2. Clostridium acetobutylicum
R. Vitamin B12 3. Aspergillus niger
S. Butanol 4. Propionibacterium freudenreichii

20.
Match items in Group I with Group II.
Group I Group II
P. Alzheimer's disease 1. HINI
Q. Mad cow disease 2. Hemoglobin
R. Sickle cell anemia 3. Prions
S. Swine flu 4. Amyloid