Q. What is the main role of dietary fiber in human health? (2021)
A.
Increase cholesterol
B.
Aid digestion
C.
Provide energy
D.
Enhance taste
Show solution
Solution
Dietary fiber aids digestion by promoting regular bowel movements and preventing constipation.
Correct Answer:
B
— Aid digestion
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Q. What is the main source of omega-3 fatty acids? (2021)
A.
Fish oil
B.
Butter
C.
Coconut oil
D.
Olive oil
Show solution
Solution
Fish oil is a rich source of omega-3 fatty acids, which are important for heart health and brain function.
Correct Answer:
A
— Fish oil
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Q. What is the primary active ingredient in aspirin? (2019)
A.
Acetylsalicylic acid
B.
Salicylic acid
C.
Acetic acid
D.
Benzoic acid
Show solution
Solution
Aspirin is chemically known as acetylsalicylic acid, which is used for pain relief and anti-inflammatory purposes.
Correct Answer:
A
— Acetylsalicylic acid
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Q. What is the primary benefit of probiotics? (2023)
A.
Increase weight
B.
Improve gut health
C.
Enhance vision
D.
Boost hair growth
Show solution
Solution
Probiotics are beneficial bacteria that improve gut health and aid in digestion.
Correct Answer:
B
— Improve gut health
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Q. What is the primary function of antibiotics? (2020)
A.
Pain relief
B.
Bacterial infection treatment
C.
Viral infection treatment
D.
Fungal infection treatment
Show solution
Solution
Antibiotics are primarily used to treat bacterial infections by inhibiting the growth of bacteria.
Correct Answer:
B
— Bacterial infection treatment
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Q. What is the primary function of antioxidants in food? (2022)
A.
Enhance flavor
B.
Preserve color
C.
Prevent oxidation
D.
Increase sweetness
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Solution
Antioxidants prevent oxidation, which can lead to spoilage and degradation of food quality.
Correct Answer:
C
— Prevent oxidation
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Q. What is the primary function of antioxidants in the body? (2020)
A.
Increase energy
B.
Prevent oxidation
C.
Enhance digestion
D.
Boost immunity
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Solution
Antioxidants prevent oxidation by neutralizing free radicals, thus protecting cells from damage.
Correct Answer:
B
— Prevent oxidation
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Q. What is the primary function of antioxidants in the human body? (2020)
A.
Increase energy
B.
Prevent oxidation
C.
Enhance digestion
D.
Boost immunity
Show solution
Solution
Antioxidants prevent oxidation, which can lead to cellular damage and contribute to various diseases.
Correct Answer:
B
— Prevent oxidation
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Q. What is the primary function of cholesterol in the body? (2023)
A.
Energy storage
B.
Hormone production
C.
Protein synthesis
D.
Carbohydrate metabolism
Show solution
Solution
Cholesterol is essential for the production of hormones, including steroid hormones and vitamin D.
Correct Answer:
B
— Hormone production
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Q. What is the primary use of glycerol in the food industry? (2023)
A.
Sweetener
B.
Preservative
C.
Thickening agent
D.
Flavor enhancer
Show solution
Solution
Glycerol is commonly used as a sweetener in food products due to its sweet taste and ability to retain moisture.
Correct Answer:
A
— Sweetener
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Q. What is the role of dietary fiber in human health? (2021)
A.
Increase cholesterol
B.
Aid digestion
C.
Provide energy
D.
Enhance taste
Show solution
Solution
Dietary fiber aids digestion by promoting regular bowel movements and preventing constipation.
Correct Answer:
B
— Aid digestion
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Q. What is the role of enzymes in the human body? (2021)
A.
Store energy
B.
Speed up chemical reactions
C.
Transport oxygen
D.
Regulate temperature
Show solution
Solution
Enzymes act as catalysts that speed up chemical reactions in the body, facilitating various metabolic processes.
Correct Answer:
B
— Speed up chemical reactions
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Q. What is the role of preservatives in food? (2020)
A.
Enhance flavor
B.
Increase shelf life
C.
Add color
D.
Improve texture
Show solution
Solution
Preservatives are added to food to prevent spoilage and increase shelf life by inhibiting the growth of microorganisms.
Correct Answer:
B
— Increase shelf life
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Q. Which compound is primarily responsible for the sour taste of vinegar? (2019)
A.
Acetic acid
B.
Citric acid
C.
Lactic acid
D.
Formic acid
Show solution
Solution
Acetic acid is the main component of vinegar, giving it its characteristic sour taste.
Correct Answer:
A
— Acetic acid
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Q. Which of the following compounds is known for its antibacterial properties? (2023)
A.
Chlorhexidine
B.
Sodium chloride
C.
Glucose
D.
Fructose
Show solution
Solution
Chlorhexidine is an antiseptic that is effective against a wide range of bacteria and is commonly used in medical settings.
Correct Answer:
A
— Chlorhexidine
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Q. Which of the following compounds is used as an analgesic? (2019)
A.
Aspirin
B.
Caffeine
C.
Ibuprofen
D.
Both 1 and 3
Show solution
Solution
Both Aspirin and Ibuprofen are commonly used analgesics that help relieve pain.
Correct Answer:
D
— Both 1 and 3
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Q. Which of the following compounds is used as an antiseptic? (2020)
A.
Ethanol
B.
Acetic acid
C.
Benzyl alcohol
D.
Chloroform
Show solution
Solution
Ethanol is commonly used as an antiseptic due to its ability to kill bacteria and viruses.
Correct Answer:
A
— Ethanol
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Q. Which of the following compounds is used as an artificial sweetener? (2020)
A.
Fructose
B.
Glucose
C.
Aspartame
D.
Sucrose
Show solution
Solution
Aspartame is a widely used artificial sweetener that is approximately 200 times sweeter than sucrose.
Correct Answer:
C
— Aspartame
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Q. Which of the following compounds is used in the production of soap? (2022)
A.
Glycerol
B.
Sodium hydroxide
C.
Ethanol
D.
Acetic acid
Show solution
Solution
Sodium hydroxide is used in the saponification process to produce soap from fats and oils.
Correct Answer:
B
— Sodium hydroxide
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Q. Which of the following compounds is used in the treatment of diabetes? (2022)
A.
Metformin
B.
Ibuprofen
C.
Aspirin
D.
Paracetamol
Show solution
Solution
Metformin is a medication commonly prescribed for the management of type 2 diabetes.
Correct Answer:
A
— Metformin
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Q. Which of the following is a characteristic of essential amino acids? (2019)
A.
Can be synthesized by the body
B.
Must be obtained from diet
C.
Are not required for protein synthesis
D.
Are only found in animal products
Show solution
Solution
Essential amino acids cannot be synthesized by the body and must be obtained through the diet.
Correct Answer:
B
— Must be obtained from diet
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Q. Which of the following is a characteristic of essential oils? (2019)
A.
Water-soluble
B.
Volatile
C.
Non-toxic
D.
All of the above
Show solution
Solution
Essential oils are volatile compounds that are often used for their aromatic properties and therapeutic benefits.
Correct Answer:
B
— Volatile
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Q. Which of the following is a common analgesic? (2021)
A.
Ibuprofen
B.
Aspirin
C.
Paracetamol
D.
All of the above
Show solution
Solution
All of the options listed (Ibuprofen, Aspirin, and Paracetamol) are common analgesics used to relieve pain.
Correct Answer:
D
— All of the above
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Q. Which of the following is a common artificial flavoring agent? (2023)
A.
Vanillin
B.
Caffeine
C.
Citric acid
D.
Tartaric acid
Show solution
Solution
Vanillin is a common artificial flavoring agent that mimics the flavor of vanilla.
Correct Answer:
A
— Vanillin
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Q. Which of the following is a common emulsifier used in food products? (2022)
A.
Lecithin
B.
Sorbitol
C.
Glycerol
D.
Glucose
Show solution
Solution
Lecithin is a common emulsifier that helps to mix oil and water in food products.
Correct Answer:
A
— Lecithin
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Q. Which of the following is a common ingredient in anti-aging creams? (2021)
A.
Retinol
B.
Glycolic acid
C.
Salicylic acid
D.
Both Retinol and Glycolic acid
Show solution
Solution
Both Retinol and Glycolic acid are commonly used in anti-aging creams for their skin rejuvenating properties.
Correct Answer:
D
— Both Retinol and Glycolic acid
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Q. Which of the following is a common ingredient in anti-inflammatory drugs? (2022)
A.
Ibuprofen
B.
Acetaminophen
C.
Aspirin
D.
All of the above
Show solution
Solution
Ibuprofen, Acetaminophen, and Aspirin are all common ingredients in anti-inflammatory medications.
Correct Answer:
D
— All of the above
Learn More →
Q. Which of the following is a common preservative in food? (2019)
A.
Sodium benzoate
B.
Ethanol
C.
Acetic acid
D.
Benzene
Show solution
Solution
Sodium benzoate is widely used as a food preservative to prevent spoilage.
Correct Answer:
A
— Sodium benzoate
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Q. Which of the following is a common side effect of antibiotics? (2019)
A.
Nausea
B.
Headache
C.
Diarrhea
D.
All of the above
Show solution
Solution
Antibiotics can cause a range of side effects, including nausea, headache, and diarrhea.
Correct Answer:
D
— All of the above
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Q. Which of the following is a common source of dietary fiber? (2020)
A.
Meat
B.
Dairy
C.
Fruits
D.
Oils
Show solution
Solution
Fruits are a common source of dietary fiber, which is important for digestive health.
Correct Answer:
C
— Fruits
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Showing 1 to 30 of 48 (2 Pages)
Organic Chemistry - Chemistry in Everyday Life MCQ & Objective Questions
Understanding "Organic Chemistry - Chemistry in Everyday Life" is crucial for students preparing for various exams. This topic not only enhances your grasp of chemistry concepts but also plays a significant role in scoring well in objective questions and MCQs. By practicing these important questions, you can improve your exam preparation and boost your confidence.
What You Will Practise Here
Fundamental concepts of organic compounds and their classifications
Reactions and properties of common organic molecules
Applications of organic chemistry in everyday products like medicines and plastics
Key functional groups and their significance in chemical reactions
Understanding isomerism and its implications in organic chemistry
Diagrams illustrating molecular structures and reaction mechanisms
Important definitions and formulas related to organic reactions
Exam Relevance
The topic of "Organic Chemistry - Chemistry in Everyday Life" is frequently featured in CBSE, State Boards, NEET, and JEE exams. Students can expect questions that assess their understanding of organic compounds, reaction mechanisms, and their applications. Common question patterns include multiple-choice questions that test conceptual clarity and application-based scenarios, making it essential to be well-prepared.
Common Mistakes Students Make
Confusing structural isomers with geometric isomers
Overlooking the significance of functional groups in reactions
Misinterpreting reaction conditions and their effects on product formation
Failing to apply concepts of stereochemistry in problem-solving
FAQs
Question: What are some common applications of organic chemistry in daily life?Answer: Organic chemistry is essential in the development of pharmaceuticals, food additives, and household products, showcasing its relevance in everyday life.
Question: How can I improve my understanding of organic reactions?Answer: Regular practice of MCQs and objective questions can significantly enhance your understanding and retention of organic chemistry concepts.
Start solving practice MCQs today to test your understanding of "Organic Chemistry - Chemistry in Everyday Life". This will not only prepare you for exams but also solidify your grasp of essential concepts. Keep practicing and stay motivated!