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1. What is the main function of terpenes in plants?

a) To attract pollinators

b) To deter herbivores

c) To aid in photosynthesis

d) To protect against disease

2. Which of the following is NOT a type of terpene?

a) Monoterpenes

b) Sesquiterpenes

c) Polyterpenes

d) Lipoproteins

3. What is the chemical formula for the terpene limonene?

a) C10H16

b) C15H24

c) C20H32

d) C30H48

4. What is the common source of the terpene myrcene?

a) Pine trees

b) Citrus fruits

c) Hops

d) Mangoes

5. What is the boiling point of the terpene pinene?

a) 150°C

b) 175°C

c) 200°C

d) 225°C

6. What is the primary use of the terpene linalool?

a) Aromatherapy

b) Food flavoring

c) Pharmaceuticals

d) All of the above

7. What type of terpene is found in high concentrations in the essential oil of lavender?

a) Monoterpene

b) Sesquiterpene

c) Diterpene

d) Triterpene

8. What is the chemical structure of the terpene caryophyllene?

a) A cyclic hydrocarbon

b) A linear hydrocarbon

c) A cyclic ether

d) A linear ether

9. What is the primary use of the terpene terpinolene?

a) Pest control

b) Fragrances

c) Industrial solvents

d) All of the above

10. What type of terpene is found in high concentrations in the essential oil of rosemary?

a) Monoterpene

b) Sesquiterpene

c) Diterpene

d) Triterpene

Answers:

1) b

2) d

3) a

4) d

5) b

6) d

7) a

8) a

9) b

10) a

  1. Flavonoids
  2. Steroids
  3. Thomson's Atomic Model
  4. Normality
  5. Pauli's Exclusion principle
  6. Neutron activation Analysis

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Multiple Choice Questions (MCQs)

The UPSC (Union Public Service Commission) Prelims exam is the first step in the selection process for the Indian Administrative Service (IAS), Indian Foreign Service (IFS), and Indian Police Service (IPS) among other civil services in India. The exam consists of two papers: General Studies Paper 1 and General Studies Paper 2 (also known as the Civil Services Aptitude Test or CSAT). The General Studies Paper 1 is worth 200 marks and is comprised of multiple choice questions (MCQs). The exam tests the candidate's knowledge of current events, Indian and World history, Indian and World geography, Indian polity and governance, economic and social development, general science and environmental ecology and biodiversity.

The UPSC Prelims exam is a highly competitive exam and it is important for candidates to have a thorough understanding of the syllabus and to practice as many MCQs as possible to increase their chances of success.

You will have to answer all the questions within a limited time frame. So practice time management techniques and use a timer while solving mock tests.

The questions are designed to test the candidate's understanding of the subject matter and their ability to apply that knowledge in a practical context. So, MCQs on this website are prepared in that direction to make you conceptually strong.

The MCQs in UPSC Prelims are generally of the following types:

  1. Factual: These questions test the candidate's knowledge of basic facts, figures, and dates.
  2. Conceptual: These questions test the candidate's understanding of concepts and principles.
  3. Analytical: These questions test the candidate's ability to analyze and interpret information.
  4. Applied: These questions test the candidate's ability to apply their knowledge to practical situations.
  5. Current events: These questions test the candidate's knowledge of recent events and happenings.