Target Exam

CUET

Subject

Biology

Chapter

Microbes in Human Welfare

Question:

Which of the following is helpful in removing oil stains from the clothes?

Options:

Streptokinase

Lipase

Nuclease

Protease

Correct Answer:

Lipase

Explanation:

The correct answer is Option (2) → Lipase

Microbes are also used for commercial and industrial production of certain chemicals like organic acids, alcohols and enzymes. Lipases are used in detergent formulations and are helpful in removing oily stains from the laundry.

Streptokinase produced by the bacterium Streptococcus and modified by genetic engineering is used as a ‘clot buster’ for removing clots from the blood vessels of patients who have undergone myocardial infarction leading to heart attack.

Nucleases are a type of hydrolytic enzymes that cleave the phosphodiester bonds between the sugars and the phosphate moieties of nucleic acids.

The bottled fruit juices bought from the market are clearer as compared to those made at home. This is because the bottled juices are clarified by the use of pectinases and proteases.