CBSE 2024 · Region 4 · Set 2 · Q12 · 1 mark
Given below is a list of some commercially important products in column A, whereas in column B are names of source organisms : Column - A Column - B Bioactive Products Source Organisms A. Cyclosporin - A (i) Streptococcus B. Statins (ii) Trichoderma polysporum C. Streptokinase (iii) Penicillium notatum D. Penicillin (iv) Monascus purpureus
Select the option where the product and their source organisms are correctly matched.
| Column - A | Column - B |
| Bioactive Products | Source Organisms |
| A. Cyclosporin - A | (i) Streptococcus |
| B. Statins | (ii) Trichoderma polysporum |
| C. Streptokinase | (iii) Penicillium notatum |
| D. Penicillin | (iv) Monascus purpureus |
Official answer
From CBSE’s own marking scheme for this paper.
(D)
A - (ii), B - (iv), C - (i), D - (iii)
Microbes in Human WelfareMicrobes in Household ProductsRemembermcqmedium
More from Microbes in Human Welfare
- Assertion: Activated sludge contains large population of bacteria. Reason (R): These bacteria help in…2026 · asked 3×
- Assertion: Flocs are masses of bacteria associated with fungal filaments in secondary treatment of sewage.…2026 · asked 3×
- Study the figure given below and answer the questions that follow. Identify the figure and state its…2025 · asked 3×
- Study the given diagram of Sewage Treatment Plant (S.T.P.) and answer the questions that follow: S.T.P.…2022 · asked 3×
- Mention the common bacterium found in the anaerobic sludge during sewage treatment and also in the rumen of…2022 · asked 3×
- (i) Name the protozoan species that is responsible for causing the most serious and even fatal malarial…2026 · asked 3×
- A laboratory assistant collected three water samples, namely river water, untreated sewage water and…2026 · asked 3×
- What do you mean by activated sludge in an STP? Explain the biological treatment of the major part of the…2025 · asked 3×
CBSE Class 12 Biology past-paper question from the 2024board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.