NEET Biology - New - Microbes in Human Welfare

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Question - 1

Conversion of milk to curd improves its nutritional value by increasing the amount of :

  • A Vitamin B12
  • B Vitamin A
  • C Vitamin D
  • D Vitamin E

Question - 2

Biogases produced during sewage treatment are:

  • A H2S, N2, CH4
  • B CH4, H2S, CO2
  • C CH4, O2, H2S
  • D H2S, CH4, SO2

Question - 3

In gobar gas, the maximum amount is that of :

  • A Propane
  • B Methane
  • C Butane
  • D Carbon dioxide

Question - 4

Monascus purpureus is a yeast used commercially in the production of:

  • A Citric acid
  • B Blood cholesterol lowering statins
  • C Ethanol
  • D Streptokinase for removing clots from the blood vessel

Question - 5

A patient brought to a hospital with myocardial infraction is normally immediately given:

  • A Cyclosporin A
  • B Statins
  • C Penicillin
  • D Streptokinase

Question - 6

Which is wrongly matched?

  • A Clostridium butylicum - Lactic acid
  • B Aspergillus niger - Citric acid
  • C Yeast- Statins
  • D Acetobacter acetic - Acetic acid

Question - 7

Which of the following is mainly produced by the activity of anaerobic bacteria on sewage?

  • A Mustard gas
  • B Marsh gas
  • C Laughing gas
  • D Propane

Question - 8

Nitrogen fixing microbe associated with Azolla in rice field is.

 
  • A Frankia
  • B Tolypothrix
  • C Spirulina
  • D Anabaena

Question - 9

An example of endomycorrhiza is :

  • A Glomus
  • B Agaricus
  • C Nostoc
  • D Rhizobium

Question - 10

Which of the following is not used as abiopesticide?

  • A Xanthomonas campestris
  • B Bacillus thuringiensis
  • C Trichoderma harzianum
  • D Nucleopolyhedrovirus