MICROBES IN HUMAN WELFARE
2013 MARCH
1. Some bioactive molecules, their source and their medical importance are given in table. Fill up the missing parts. (2)
Bioactive molecule
|
Source
|
Medical importance
|
a
|
Streptococcus
|
Removes clots from blood vessels
|
Cyclosporine-A
|
b
|
c
|
d
|
Monascus purpureus
|
Blood cholesterol lowering agent
|
2013 SAY
1. Complete the illustration appropriately. (2)
2014 MARCH
1. “The meaning of ‘antibiotics’ is ‘against life’, whereas with reference to human beings they are ‘pro life’.” Substantiate the statement with suitable example. (2)
2014 SAY
1. In our state, waste management is a problem. Government promotes and gives subsidy to Biogas plants. Comment the functioning of biogas plants with the help of microbes. (2)
2015 MARCH
1. Microbes can also be used as a source of energy. Substantiate with suitable examples. (2)
2015 SAY
1. BOD of some water samples are given below:
A. Sample 1 - 200 mg/L
B. Sample 2 - 80 mg/L
C. Sample 3 - 300 mg/L
D. Sample 4 - 25 mg/L
a. Which of the above water sample is most polluted?