Question : Organisms use biocatalysts to break down complex substances into simpler substances. These biocatalysts are called ______.
Option 1: Enzymes
Option 2: Hormones
Option 3: Vitamins
Option 4: No option is correct
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Correct Answer: Enzymes
Solution : The correct option is Enzymes.
Enzymes are also known as biocatalysts. They accelerate the process of digestion. The breakdown of complicated food components into simpler parts is sped up by digestive enzymes. Hydrolysis, a process where water splits the complex food molecules chemically, is what causes the breakdown of food in digestion. Examples of such enzymes are pepsin, trypsin, and salivary amylase.
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Question : Substances which are used to bring down the temperature in high fever condition are called :
Option 1: Antiseptics
Option 2: Pyretics
Option 3: Antipyretics
Option 4: Antibiotics
Question : The harmful substances produced by the microbes are known as:
Option 1: antibiotics
Option 2: pollutants
Option 3: hormones
Option 4: toxins
Question : An instrument for measuring the hardness of substances is called
Option 1: Lucimeter
Option 2: Keraunograph
Option 3: Durometer
Option 4: Hygrometer
Question : Biodegradable wastes can usually be converted into useful substances with the help of:
Option 1: nuclear proteins
Option 2: radio- active substances
Option 3: viruses
Option 4: bacteria
Question : Programs stored in a ROM are called:
Option 1: software
Option 2: freeware
Option 3: firmware
Option 4: None of these
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