91. Fuel wood requid per person perday is

A 10 Kg
B 3 Kg
C 1 Kg
D 30 Kg
Answer :   3 Kg
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92. The bacterium Bacillus thuringiensis is widely used in contemporary biology as

A insecticide
B agent for production of dairy products
C source of industrial enzyme
D indicator of water pollution
Answer :   insecticide
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93. During anaerobic digestion of organic waste, such as in producing biogas, which one of the following is left undergraded

A Lipids
B Lignin
C Hemi-cellulose
D Cellulose
Answer :   Lignin
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94. Bioenergy is the energy obtained from

A Biological sources
B Coal
C Petroleum
D Natural gases
Answer :   Biological sources
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95. The example of non-renewable source of energy is

A Alcohol fuel
B Petroleum
C Biogas
D Fuel wood
Answer :   Petroleum
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96. A transgenic food crop which may help in solving the problem of night blindness in developing countries is

A Flavr Savr tomatoes
B Starlink maize
C Bt Soybean
D Golden rice
Answer :   Golden rice
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97. Rennin used in cheese industry is

A Antibiotic
B Enzyme
C Alkalodi
D Inhibitor
Answer :   Enzyme
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98. The pioneer country in the production of 'Fuel alcohol' is

A Japan
B Brazil
C Saudi Arabia
D India
Answer :   Brazil
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99. For biogas production besides dung an extensive use of which weed is recommended in our country

A Mangifera indica
B Hydrilla
C Eichhornia crassipes
D Solanum
Answer :   Eichhornia crassipes
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100. Consider the following statements about biomedical technologies?
1. During open heart surgery blood is circulated in the heart-lung machine
2. Blockage in coronary arteries is removed by angiography
3. Computerised axial tomography (CAT) shows detailed internal structure as seen in a section of body
4. X-ray provides clear and detailed images of organs like prostate glands and lungs
Which two of the above statements are correct?

A 2 and 4
B 3 and 4
C 1 and 3
D 1 and 2
Answer :   1 and 3
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