Microbes in Human Welfare class 12 NEET Questions

Microbes in Human Welfare NEET Questions - PYQ

The students who are targeting for NEET exam should prepare for all the important chapters of NEET syllabus to secure good marks in NEET 2022. Candidates planning to appear in the medical exam must have knowledge about the weightage of chapters. Biology section carries the maximum weightage.

 

Microbes in Human Welfare is the tenth chapter categorized under the unit 'Biology In Human Welfare'. According to the NEET chapter wise weightage Microbes in Human Welfare contributes to around 3% of the total number of questions asked in the last years. On average we can expect 1-2 from this particular chapter.

 Here you will find all previous year Microbes in Human Welfare NEET Questions. Solving previous years  for Microbes in Human Welfare NEET Questions will be beneficial for you. Firstly you get an idea of what type of questions are asked in previous year. Every year around many of questions of biology  are repeated as it is without even changing single word. These Microbes in Human Welfare NEET Questions will definitely guide you in what direction you need extra push.

Microbes in Human Welfare NEET Questions And Answers

AIPMT 2008

1. Which one of the following is being tried in India as a biofuel substitute for fossil fuels ?

(1) Jatropha

(2) Musa

(3) Aegilops

(4) Azadirachta

Solution : 1

AIPMT Mains 2011

2. Which one of the following is a wrong matching of a microbe and its industrial product, while the remaining three are correct ?

(1) Aspergillus niger - citric acid
(2) Yeast - Statins
(3) Acetobacter aceti - acetic acid
(4) Clostridium butylicum - lactic acid

Solution : 4

3. Read the following statement having two blanks (A and B) :

"A drug used for ____(A)___ patients is obtained from a species of the organism ____(B)____ ."

The one correct option for the two blanks is :

Blank - A                                         Blank - B
(1) AIDS                                        Pseudomonas
(2) Heart                                       Penicillium
(3) Organ-transplant                 Trichoderma
(4) Swine flu                                Monascus

Solution : 3

AIPMT Pre 2012

4. Yeast is used in the production of :-

(1) Bread and beer
(2) Cheese and butter
(3) Citric acid and lactic acid
(4) Lipase and pectinase

Solution : 1

5. A patient brought to a hospital with myocardial infarction is normally immediately given :-

(1) Cyclosporin-A

(2) Statins

(3) Penicillin

(4) Streptokinase

Solution : 4

6. Which one of the following is an example of carrying out biological control of pests/diseases using microbes?

(1) Bt-Cotton to increase cotton yield
(2) Lady bird beetle against aphids in mustard
(3) Trichoderma sp. against certain plant pathogens.
(4) Nucleopolyhedrovirus against white rust in Brassica

Solution : 3

7. The most abundant prokaryotes helpful to humans in making curd from milk and in production of antibiotics are ones categorised as :

(1) Chemosynthetic autotrophs
(2) Heterotrophic bacteria
(3) Cyanobacteria
(4) Archaebacteria

Solution : 2

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

(1) citric acid
(2) blood chlolesterol lowering statins
(3) ethanol
(4) streptokinase for removing clots from the blood vessels.

Solution : 2

AIPMT Mains 2012

9. In gobar gas, the maximum amount is that of :-

(1) Propane

(2) Carbon dioxide

(3) Butane

(4) Methane

Solution : 4

10. 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 microorganism Methylophilus methylotrophus may be able to produce several times more proteins than the cows 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.

Options:

(1) Statements (b) , (c) and (d)
(2) Statements (a) , (b)
(3) Statements (c) , (d)
(4) Statements (a) , (c) and (d)

Solution : 2

NEET-UG 2013

11. A good producer of citric acid is :

(1) Saccharomyces

(2) Aspergillus

(3) Pseudomonas

(4) Clostridium

Solution : 2

12. During sewage treatment, biogases are produced which include :

(1) hydrogensulphide, nitrogen, methane
(2) methane, hydrogensulphide, carbon dioxide
(3) methane, oxygen, hydrogensulphide
(4) hydrogensulphide, methane, sulphur dioxide

Solution : 2

Re-AIPMT 2015

13. Match the following list of microbes and their importance :

      (a) (b) (c) (d)
(1) (iii) (i) (iv) (ii)
(2) (iii) (iv) (i) (ii)
(3) (iv) (iii) (ii) (i)
(4) (iv) (ii) (i) (iii)

Solution : 2

NEET-I 2016

14. Which of the following is wrongly matched in the given table ?

Solution : 4

15. The primitive prokaryotes responsible for the production of biogas from the dung of ruminant animals, include the :-

(1) Halophiles

(2) Thermoacidiophiles

(3) Methanogens

(4) Eubacteria

Solution : 3

NEET-II 2016
16. Match Column–I with Column–II and select the correct option using the codes given below

Column-I                                     Column-II
(a) Citric acid                        (i) Trichoderma
(b) Cyclosporin A                (ii) Clostridium
(c) Statins                             (iii) Aspergillus
(d) Butyric acid                   (iv) Monascus

Codes :
a  b  c  d
(1) i iv ii iii
(2) iii iv i ii
(3) iii i ii iv
(4) iii i iv ii

Solution : 4

17. The source of cyclosporin-A is :-

(1) Acetobacter aceti
(2) Saccharomyces cerevisiae
(3) Aspergillus niger
(4) Trichoderma polysporum

Solution : 4

18. Statins commmercially used as blood cholesterol lowering agents are produced by :-

(1) Agrobacterium tumefaciens
(2) Trichoderma polysporum
(3) Monascus purpureus
(4) Trichoderma viridae

Solution : 3

19. Which of the following is a free living biocontrol microbial agent for plant pathogen?

(1) Mucor

(2) Glomus

(3) Trichoderma

(4) Rhizobium

Solution : 3

20. Biological control agent obtained from :-

(1) Bacillus thuringiensis
(2) E.coli
(3) Agrobacterium tumifaciens
(4) Meloidogyne incognitia

Solution : 1

NEET(UG) 2017

21. Which of the following is correctly matched for the product produced by them ?

(1) Methanobacterium : Lactic acid
(2) Penicillium notatum : Acetic acid
(3) Sacchromyces cerevisiae : Ethanol
(4) Acetobacter aceti : Antibiotics

Solution : 3

NEET(UG) 2018

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

(1) Vitamin D

(2) Vitamin A

(3) Vitamin B12

(4) Vitamin E

Solution : 3

NEET(UG) 2019

23. Match the following organisms with the products they produce :-

(a) Lactobacillus              (i) Cheese
(b) Saccharomyces         (ii) Curd
cerevisiae
(c) Aspergillus niger       (iii) Citric Acid
(d) Acetobacter aceti      (iv) Bread
                                           (v) Acetic Acid

Select the correct option.
      (a) (b) (c) (d)
(1) (ii) (iv) (v) (iii)
(2) (ii) (iv) (iii) (v)
(3) (iii) (iv) (v) (i)
(4) (ii) (i) (iii) (v)

Solution : 2

24. Which of the following can be used as a biocontrol agent in the treatment of plant disease ?

(1) Trichoderma

(2) Chlorella

(3) Anabaena

(4) Lactobacillus

Solution : 1

25. Which of the following is a commercial blood cholesterol lowering agent?

(1) Cyclosporin A

(2) statin

(3) Streptokinase

(4) Lipases

Solution : 2

26. Select the correct group of biocontrol agents.

(1) Bacillus thuringiensis,Tobacco mosaic virus, Aphids
(2) Trichoderma, Baculovirus, Bacillus thuringiensis
(3) Oscillatoria, Rhizobium, Trichoderma
(4) Nostoc, Azospirillium, Nucleopolyhedrovirus

Solution : 2

NEET(UG) 2019 (Odisha)

27. A biocontrol agent to be a part of an integrated pest management should be

(1) Species-specific and symbiotic
(2) Free living and broad spectrum
(3) Narrow spectrum and symbiotic
(4) Species-specific and inactive on non-target organisms

Solution : 4

28. Which of the following statements about methanogens is not correct?

(1) They can be used to produce biogas.
(2) They are found in the rumen of cattle and their excreta
(3) They grow aerobically and breakdown celluloserich food.
(4) They produce methane gas.

Solution : 3

29. Among the following pairs of microbes, which pair has both the microbes that can be used as biofertilizers?

(1) Aspergillus and Rhizopus
(2) Rhizobium and Rhizopus
(3) Cyanobacteria and Rhizobium
(4) Aspergillus and Cyanobacteria

Solution : 3

 In this article we have provided you important previous year Microbes in Human Welfare NEET Questions. Solve the above all previous year Microbes in Human Welfare NEET Questions.

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