Question : What are lipids?
Option 1: Lipids are monosaccharides
Option 2: Lipids do not provide energy to cells
Option 3: Fruits are a good source of lipids
Option 4: Cholesterol and trans fatty acids are types of lipids
Correct Answer: Cholesterol and trans fatty acids are types of lipids
Solution : The correct option is Cholesterol and trans fatty acids are types of lipids.
Cholesterol and trans fatty acids are distinct types of lipids. Cholesterol is a lipid present in animal-based food and synthesised by the body that plays an important role in cell membrane formation and hormone production. It circulates in the blood as both LDL ("bad") and HDL ("good") cholesterol. High LDL levels, while necessary, are linked to atherosclerosis. Trans fatty acids, on the other hand, are unsaturated fatty acids with a unique molecular structure that are frequently found in processed foods.
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Question : Which of the following is the second largest source of global energy?
Option 1: Fossil fuel
Option 2: Nuclear Energy
Option 3: Renewable Energy
Option 4: None of these
Question : In the context of trans-fats, which of the following statements is not correct?
Option 1: They have a shorter shelf-life than natural fats.
Option 2: Their consumption increases LDL cholesterol and decreases HDL cholesterol.
Option 3: They are produced from the industrial process of hydrogenation.
Option 4: WHO has called for their elimination by 2023.
Question : Grey hair is caused due to
Option 1: ageing of epidermal cells
Option 2: death of dermal cells
Option 3: loss of sebum in epidermal cells
Option 4: loss of melanin in epidermal cells
Question : Gliders depend on the following energy for their flight:
Option 1: wind energy
Option 2: electrical energy
Option 3: heat energy
Option 4: chemical energy
Question : A flying jet possesses____________.
Option 1: potential energy
Option 2: kinetic energy
Option 3: wind energy
Option 4: both kinetic and potential energy
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