PYQSide ExamsMy practice

Microbes in Human Welfare · Question 7

NEET (UG) 2025MCQEasy📈 Topic in 25% papers+4−1
1

Which of the following microbes is NOT involved in the preparation of household products? Choose the correct answer from the options given below:

  1. C and D only
  2. C and E only
  3. A and B only
  4. A and C only

Answer

(4) A and C only

Solution

Household products: Lactobacillus — curd; Saccharomyces cerevisiae — bread/idli/dosa dough; Propionibacterium sharmanii — Swiss cheese.

Aspergillus niger is used industrially for citric acid, and Trichoderma polysporum for the immunosuppressant cyclosporin A — not household products.

Hence, A and C.

Answer: (4)

NEET (UG) 2025

Keep practising — Microbes in Human Welfare

2

Match List I with List II Choose the correct answer from the options given below:

  1. A-III, B-I, C-II, D-IV
  2. A-II, B-IV, C-III, D-I
  3. A-III, B-I, C-IV, D-II
  4. A-IV, B-I, C-III, D-II
NEET (UG) 2024
3

Match List-I with List-II relating to microbes and their products: Choose the correct answer from the options given below:

  1. A-II, B-III, C-IV, D-I
  2. A-I, B-II, C-III, D-IV
  3. A-I, B-III, C-II, D-IV
  4. A-I, B-IV, C-II, D-III
RE-NEET (UG) 2024
4

Identify the microorganism which is responsible for the production of an immunosuppressive molecule cyclosporin A :

  1. Trichoderma polysporum
  2. Clostridium butylicum
  3. Aspergillus niger
  4. Streptococcus cerevisiae
NEET (UG) 2022
5

Match List-I with List-II Choose the correct answer from the options given below

  1. (a)-(iv), (b)-(ii), (c)-(i), (d)-(iii)
  2. (a)-(iii), (b)-(i), (c)-(iv), (d)-(ii)
  3. (a)-(i), (b)-(ii), (c)-(iii), (d)-(iv)
  4. (a)-(ii), (b)-(iii), (c)-(i), (d)-(iv)
NEET (UG) 2021
6

Which of the following is put into Anaerobic sludge digester for further sewage treatment?

  1. Effluents of primary treatment
  2. Primary sludge
  3. Floating debris
  4. Activated sludge
NEET (UG) 2020
7

Match the following columns and select the correct option.

  1. (a)-(iii), (b)-(iv), (c)-(ii), (d)-(i)
  2. (a)-(i), (b)-(ii), (c)-(iv), (d)-(iii)
  3. (a)-(iv), (b)-(iii), (c)-(ii), (d)-(i)
  4. (a)-(ii), (b)-(i), (c)-(iv), (d)-(iii)
NEET (UG) 2020
8

Select the correct group of biocontrol agents.

  1. Oscillatoria, Rhizobium, Trichoderma
  2. Nostoc, Azospirillum, Nucleopolyhedrovirus
  3. Bacillus thuringiensis, Tobacco mosaic virus, Aphids
  4. Trichoderma, Baculovirus, Bacillus thuringiensis
NEET (UG) 2019
9

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)
NEET (UG) 2019
10

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
11

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

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

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