Question No:1
Citric acid is produced by ______.
[A] Aspergillus niger
[B] Sachharomyces cerevisiae
[C] Lactobacillus
[D] Clostridium butylicum
Question No:2
Acetobacter aceti essentially produces ______.
[A] Citric acid
[B] Acetic acid
[C] Butyric acid
[D] Lactic acid
Question No:3
Which microbe produces butyric acid?
[A] Sachharomyces cerevisiae
[B] Clostridium butylicum
[C] Aspergillus niger
[D] Propionibacterium sharmanii
Question No:4
A bacterium which is a rich source of lactic acid is ______.
[A] Lactobacillus
[B] Aspergillus
[C] Clostridium
[D] Sachharomyces
Question No:5
Which enzyme produced by microbes is an important ingredient in detergent formulations?
[A] Hydrourse
[B] Lipase
[C] Pectinase
[D] Cleansase
Question No:6
The fruit juices available commercially are clearer than ones which are homemade. Which ingredient is added in commercially available fruit juices?
[A] Lipase and Protease
[B] Pectinase and Hydrolase
[C] Pectinase and Protease
[D] Hydrolase and Protease
Question No:7
Which enzyme is known as ‘clot-buster’?
[A] Protease
[B] Thrombokinase
[C] Streptokinase
[D] Hydrolase
Question No:8
‘Clot-buster’ is produced by which microbe?
[A] Staphylococcus
[B] Streptococcus
[C] Penicillium
[D] Aspergillus
Question No:9
The enzyme streptokinase is used medicinally to:
[A] Check growth of microbes in body fluids
[B] Remove blood clots from the blood vessels
[C] Weaken walls of blood vessels
[D] Create blood clots in blood vessels
Question No:10
Which drugs are often administered before and after organ transplant procedure?
[A] Immuno modulators
[B] Immuno suppressants
[C] Vaccination
[D] Anabolic steroids
Question No:11
Which drug is generally administered at the time of organ-transplant procedure?
[A] Actinomycin-D
[B] Bleomycin
[C] Cyclosporin-A
[D] Paclitaxel
Question No:12
Cyclosporine-A is produced by fungus ______.
[A] Trichoderma polysporum
[B] Penicillium notatum
[C] Micromonospora
[D] Aspergillums niger
Question No:13
Blood cholesterol lowering agents are known as ______.
[A] Steroids
[B] Statins
[C] Lipolytics
[D] Diuretics
Question No:14
Monascus purpureus is a commercial source of ______.
[A] Antibiotices
[B] Statins
[C] Pectinase
[D] Ethanol
Question No:15
The mechanism of action of statins is ______.
[A] allosteric inhibition of enzyme responsible for synthesis of cholesterol
[B] competitive inhibition of enzyme responsible for synthesis of cholesterol
[C] irreversible inhibition of enzyme responsible for synthesis of cholesterol
[D] None of the above
Microbes in Human Welfare Mock Test-3
CategoriesNEET Biology