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Microbes in Human Welfare question

2012 · Q53
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Microbes in Human Welfare question

2012 · Q53

NEETBiologyMicrobes in Human WelfareMCQ+4 / −1
Consider the following four statements (a-d) and select the option which includes all the correct ones only :
(a) Single cell Spirulina can produce large quantities of food rich in protein, minerals, vitamins etc.
(b) Body weight-wise the microorganisms Methylophilus methylotrophus may be able to produce several times more proteins than the cow per day
(c) Common button mushrooms are a very rich source of vitamin C
(d) A rice variety has been developed which is very rich in calcium
  1. A
    Statements (b), (c) and (d)
  2. B
    Statements (c), (d)
  3. C
    Statements (a), (c) and (d)
  4. D
    Statements (a), (b)
View written solutionFree

Correct answer: D

Spirulina is rich in protein, vitamins & minerals. 250 gram biomass of Methylophilus methylotrophus produces 25 tonne protein/day while cow of 250 Kg produces only 200 gm. protein/day.
Common button mushrooms are a very rich source of vitamin D. A rice variety has been developed which is very rich in iron content.

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