FIRST SESSIONAL EXAM
Human Welfare
MM: 40 Time: _ hours
Section A
Q.1 Attempt all the following parts:
Multiple Choice Questions (40x1=40)
1. Tofu is cheese-like product with fermentation of soybeans using :
a) Mucor spp. b) Rhizobium spp.
c) Moulds d) E. coli
2. Single cell proteins are characterised as:
a) microbial mass b) growth on agricultural & industrial wastes
c) valuable animal food d) all the above
3. Vitamin B12 production makes use of :
a) Pseudomonas denitrificans b) Ashbya gossypi
c) E. coli d) Cyanobacteria
4. Antibiotic Streptomycin was first isolated by :
a) Fleming b) Florey c) Ernest Chain d) Waksman
5. The antibiotics used to treat tuberculosis is :
a) penicillin
b) cephalosporins
c) kanamycin
d) neomycin
6. Treatment of sewage comprises flocs which comprise :
a) mass of bacteria and fungi b) mass of fungal mycelium only
c) mass of useful bacteria d) blue-green algae
, 7. Ganga Action Plan to tackle river pollution was launched in the year:
a) 1993 b) 1986 c) 1996 d) 1983
8. Yamuna Action Plan to tackle river pollution was launched in the year:
a) 1993 b) 1986 c) 1996 d) 1983
9. The most important microbes in energy generation are :
a) Zymomonas mobilis b) Zymomonas ethanolicus
c) Thermoanaerobacter mobilis d) all the above
10. Algae producing hydrogen from water in sunlight is called :
a) photolysis
b) chemosynthesis
c) hydrogen fixation
d) biophotolysis
11. Insects used as biocontrol agents are :
a) ladybird and dragon flies b) only ladybird
c) butterflies d) mosquitoes
12. Microbes used as bioherbicides include :
a) Nitrosomonas b) Colletotrichum spp.
c) Methanogens d) Rhizobium
13. Biofertilizers include the organisms like :
a) Diazotrophs only b) Frankia only
c) Diazotrophs & Frankia d) slime moulds
14. Root nodules in legumes are reddish colour due to :
a) carotenoids b) anthocyanins
c) leghaemoglobin d) haemoglobin
15. Root nodules formed due to symbiosis between :
a) Azolla-Anabaena b) legume-Rhizobium
Human Welfare
MM: 40 Time: _ hours
Section A
Q.1 Attempt all the following parts:
Multiple Choice Questions (40x1=40)
1. Tofu is cheese-like product with fermentation of soybeans using :
a) Mucor spp. b) Rhizobium spp.
c) Moulds d) E. coli
2. Single cell proteins are characterised as:
a) microbial mass b) growth on agricultural & industrial wastes
c) valuable animal food d) all the above
3. Vitamin B12 production makes use of :
a) Pseudomonas denitrificans b) Ashbya gossypi
c) E. coli d) Cyanobacteria
4. Antibiotic Streptomycin was first isolated by :
a) Fleming b) Florey c) Ernest Chain d) Waksman
5. The antibiotics used to treat tuberculosis is :
a) penicillin
b) cephalosporins
c) kanamycin
d) neomycin
6. Treatment of sewage comprises flocs which comprise :
a) mass of bacteria and fungi b) mass of fungal mycelium only
c) mass of useful bacteria d) blue-green algae
, 7. Ganga Action Plan to tackle river pollution was launched in the year:
a) 1993 b) 1986 c) 1996 d) 1983
8. Yamuna Action Plan to tackle river pollution was launched in the year:
a) 1993 b) 1986 c) 1996 d) 1983
9. The most important microbes in energy generation are :
a) Zymomonas mobilis b) Zymomonas ethanolicus
c) Thermoanaerobacter mobilis d) all the above
10. Algae producing hydrogen from water in sunlight is called :
a) photolysis
b) chemosynthesis
c) hydrogen fixation
d) biophotolysis
11. Insects used as biocontrol agents are :
a) ladybird and dragon flies b) only ladybird
c) butterflies d) mosquitoes
12. Microbes used as bioherbicides include :
a) Nitrosomonas b) Colletotrichum spp.
c) Methanogens d) Rhizobium
13. Biofertilizers include the organisms like :
a) Diazotrophs only b) Frankia only
c) Diazotrophs & Frankia d) slime moulds
14. Root nodules in legumes are reddish colour due to :
a) carotenoids b) anthocyanins
c) leghaemoglobin d) haemoglobin
15. Root nodules formed due to symbiosis between :
a) Azolla-Anabaena b) legume-Rhizobium
