Question : Which compound structure includes a saturated short-chain fatty acid with 4-carbon molecules, commonly found in esterified form in animal fats and plant oils?
Option 1: Butyric acid
Option 2: Propionic acid
Option 3: Succinic acid
Option 4: Lactic acid
Correct Answer: Butyric acid
Solution : The correct answer is Butyric acid.
Butyric acid is a short-chain saturated fatty acid with a structure consisting of four carbons. It is usually found in animal fats and plant oils in its esterified form. Because one of the distal methyl molecules in butane has been changed into a carboxyl group, butyric acid is a straight-chain saturated fatty acid.
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Question : Vinegar made by fermentation from cane sugar contains:
Option 1: Palmitic acid
Option 2: Lactic acid
Option 3: Citric acid
Option 4: Acetic acid
Question : Muscle fatigue occurs due to accumulation of ______.
Option 1: ATP
Option 2: ADP
Option 3: Lactic Acid
Option 4: Carbonic Acid
Question : Identify the correct type of food chain:
Dead animal→maggots→frog→snake
Option 1: Decomposer food chain
Option 2: Detritus food chain
Option 3: Grazing food chain
Option 4: Parasitic food chain
Question : Copper is associated with ____mitochondrial enzymes.
Option 1: Cytochrome oxidase
Option 2: Succinic dehydrogenase
Option 3: Catalase
Option 4: Acid phosphatase
Question : In alchemy, aqua fortis is the classical name of which chemical compound that is used chiefly in the manufacture of explosives and fertilisers, and in organic synthesis?
Option 1: Nitric acid
Option 2: Formic acid
Option 3: Chloric acid
Option 4: Hydrobromic acid
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