PYQSide ExamsMy practice

Microbes in Human Welfare · Question 15

NEET (UG) 2019MatchingEasy📈 Topic in 75% papers+4−1
1

Match the following organisms with the products they produce : Select the correct option.

  1. (a)-(iii), (b)-(iv), (c)-(v), (d)-(i)
  2. (a)-(ii), (b)-(i), (c)-(iii), (d)-(v)
  3. (a)-(ii), (b)-(iv), (c)-(v), (d)-(iii)
  4. (a)-(ii), (b)-(iv), (c)-(iii), (d)-(v)

Answer

(4) (a)-(ii), (b)-(iv), (c)-(iii), (d)-(v)

Solution

(a) Lactobacillus (lactic acid bacteria) converts milk into curd: (a)-(ii).

(b) Saccharomyces cerevisiae (baker's yeast) is used to make bread: (b)-(iv).

(c) As per NCERT, Aspergillus niger (a fungus) produces citric acid: (c)-(iii).

(d) Acetobacter aceti (a bacterium) produces acetic acid: (d)-(v).

∴ (a)-(ii), (b)-(iv), (c)-(iii), (d)-(v)

Answer: (4)

NEET (UG) 2019

Keep practising — Microbes in Human Welfare

2

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

  1. Anabaena
  2. Lactobacillus
  3. Trichoderma
  4. Chlorella
NEET (UG) 2019
3

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

  1. Streptokinase
  2. Lipases
  3. Cyclosporin A
  4. Statin
NEET (UG) 2019
4

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
NEET 2018
5

Select the mismatch :

  1. Rhodospirillum - Mycorrhiza
  2. Anabaena - Nitrogen fixer
  3. Rhizobium - Alfalfa
  4. Frankia - Alnus
NEET 2017
6

Which of the following in sewage treatment removes suspended solids ?

  1. Secondary treatment
  2. Tertiary treatment
  3. Primary treatment
  4. Sludge treatment
NEET 2017
7

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

  1. Acetobacter aceti : Antibiotics
  2. Penicillium notatum : Acetic acid
  3. Methanobacterium : Lactic acid
  4. Saccharomyces cerevisiae : Ethanol
NEET 2017
8

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

  1. Microbe - Streptococcus, Product - Streptokinase, Application - Removal of clot from blood vessel
  2. Microbe - Trichoderma polysporum, Product - Cyclosporin A, Application - Immunosuppressive drug
  3. Microbe - Monascus purpureus, Product - Statins, Application - Lowering of blood cholesterol
  4. Microbe - Clostridium butylicum, Product - Lipase, Application - Removal of oil stains
NEET 2016 (Phase 1)
9

Match the following list of microbes and their importance -

  1. (a) - (iii), (b) - (i), (c) - (iv), (d) - (ii)
  2. (a) - (iii), (b) - (iv), (c) - (i), (d) - (ii)
  3. (a) - (iv), (b) - (ii), (c) - (i), (d) - (iii)
  4. (a) - (iv), (b) - (iii), (c) - (ii), (d) - (i)
AIPMT 2015
10

The guts of cow and buffalo possess

  1. Cyanobacteria
  2. Fucus sp.
  3. Methanogens
  4. Chlorella sp.
AIPMT 2015 (Cancelled)
11

What gases are produced in anaerobic sludge digesters ?

  1. Methane and CO2 only
  2. Methane, Hydrogen Sulphide and O2
  3. Methane, Hydrogen Sulphide and CO2
  4. Hydrogen Sulphide and CO2
AIPMT 2014

All Microbes in Human Welfare PYQs →

PDFDownload Microbes in Human Welfare PYQs as PDF Free, with answer key and a QR code to every solution — print it or study offline⬇
All NEET Botany chapters
Class 11The Living WorldBiological ClassificationPlant KingdomMorphology of Flowering PlantsAnatomy of Flowering PlantsCell: The Unit of LifeCell Cycle and Cell DivisionTransport in PlantsMineral NutritionPhotosynthesis in Higher PlantsRespiration in PlantsPlant Growth and Development
Class 12Reproduction in OrganismsSexual Reproduction in Flowering PlantsPrinciples of Inheritance and VariationMolecular Basis of InheritanceStrategies for Enhancement in Food ProductionMicrobes in Human WelfareOrganisms and PopulationsEcosystemBiodiversity and ConservationEnvironmental Issues
Other chaptersBiomolecules (Biology)