Match the items in Column ‘A’ and Column ‘B’ and choose the correct answer:

	Column I		Column II
A.	Lady bird	i.	Methanobacterium
B.	Mycorrhiza	ii.	Trichoderma
C.	Biological control	iii.	Aphids
D.	Biogas	iv.	Glomus

The correct answer is:

1. A-ii, B-iv, C-iii, D-i

2. A-iii, B-iv, C-ii, D-i

3. A-iv, B-i, C-ii, D-iii

4. A-iii, B-ii, C-i, D-iv

Which one of the following pairs is not correctly matched? 
1. Serratia - Drug addiction
2. Spirulina - Single cell protein
3. Rhizobium - Biofertilizer
4. Streptomyces - Antibiotic 

A major component of gobar gas is:

For retting of jute the fermenting microbe used is  
1. Mesophilic bacteria
2. Helicobacter pylori
3. Butyric acid bacteria
4. Streptococcus lactis 

Bacillus thuringiensis (Bt) strains have been used for designing novel 
1. Bio Insecticidal plants
2. Biomineralization processes
3. Biofertilizers
4. Bio-metallurgical techniques

Which one of the following pairs is incorrectly matched?  

A genetically engineered microorganism used successfully in bioremediation of oil spills is a species of   

1. Bacillus
2. Pseudomonas
3. Trichoderma
4. Xanthomonas

Modern detergents contain enzyme preparations of
1. Thermoacidophiles 
2. Thermophiles
3. Acidophiles
4. Alkaliphiles 

Which of the following proved effective for biological control of nematodal disease in plants? 
1. Paecilomyces lilacinus
2. Pisolithus tinctorius
3. Pseudomonas cepacia
4. Gliocladium virens 

Trichoderma harzianum has proved a useful microorganism for:
1. Biological control of soil-borne plant pathogens
2. Bioremediation of contaminated soils
3. Reclamation of wastelands
4. Gene transfer in higher plants