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Federal (FBISE) · Quarter book test · Free

2nd Year Biology 4th Quarter Book Paper

40 marks · 1 hour · 28 questions. Covers: 13. Climate Change, 14. Selected Topics, 15. Pharmacological Drugs.

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2nd Year Biology 4th Quarter Book Paper

2nd Year · Biology · Federal (FBISE)

Name: ____________Roll No: ________Class/Section: ________Date: ________Total marks: 40Time: 1 hour

Q1. Multiple choice questions (Attempt all · 12 × 1 = 12)

  1. Which type of antibiotic inhibits bacterial cell wall synthesis?
    1. Tetracyclines
    2. Penicillins
    3. Sulfonamides
    4. Fluoroquinolones
  2. Which human activity leads to enhanced greenhouse effect?
    1. Transportation and burning fossil fuels
    2. Photosynthesis in plants
    3. Recycling of waste
    4. Planting trees
  3. Which scientific field studies the complete set of DNA of an organism, including all of its genes?
    1. Proteomics
    2. Transcriptomics
    3. Genomics
    4. Metabolomics
  4. Monoclonal antibodies are produced from:
    1. Many types of immune cells
    2. A single clone of antibody
    3. Viruses
    4. Multiple bacterial strains
  5. Deoxygenation of oceans refers to:
    1. Reduction of dissolved oxygen in warmer waters
    2. Addition of nitrogen in water
    3. Excess oxygen production by phytoplankton
    4. Melting of polar ice
  6. Which principle of biodefense involves setting up plans and protocols to respond to biological incidents?
    1. Surveillance and Detection
    2. Prevention
    3. Preparedness
    4. Research and Development
  7. An example of a penicillin antibiotic is:
    1. Doxycycline
    2. Ciprofloxacin
    3. Amoxicillin
    4. Sulfamethoxazole
  8. The wobble or change in Earth’s axis of rotation is called:
    1. Eccentricity
    2. Obliquity
    3. Precession
    4. Tilt
  9. What is the role of synthetic biology in bioremediation?
    1. Producing biofuels from renewable sources
    2. Cleaning up environmental pollutants
    3. Enhancing crop resistance
    4. Improving livestock health
  10. Which of the following techniques is best for measuring the effectiveness of antibiotics on bacteria?
    1. Physical testing
    2. Chemical testing
    3. Biological testing
    4. Combined physical and chemical testing
  11. Which of the following best describes the term "anthropogenic climate change"?
    1. Climate change caused by natural factors such as volcanic eruptions.
    2. Climate change that occurs gradually over millions of years.
    3. Climate change results from human activities like deforestation and industrialization
    4. Climate change due to changes in the Earth’s orbit.
  12. During the French and Indian War (1763), blankets contaminated with smallpox were used by:
    1. Mongols
    2. British troops
    3. Native Americans
    4. Chinese soldiers

Q2. Short questions (Attempt any 8 of 12 · 8 × 2 = 16)

  1. How do antivirals work inside the body?
  2. Define climate change.
  3. Mention two goals of using biological agents in warfare.
  4. How do antibiotics work?
  5. Why is the extinction of species like corals and amphibians a global concern?
  6. How can transcriptomics help in agriculture?
  7. Mention one use of tetracyclines.
  8. Who was "Lonesome George"?
  9. What is the main purpose of biodefense?
  10. Name the five drug development phases.
  11. What is the relationship between sea ice and ocean temperature?
  12. Why is smallpox virus considered a dangerous biological weapon?

Q3. Long questions (Attempt any 3 of 4 · 3 × 4 = 12)

  1. Describe the impact of climate change on plants (flora).
  2. Explain the principles of biodefense with reference to preparedness, prevention, and response.
  3. Compare monoclonal antibodies to other drug classes.
  4. Write a detailed note on harmful effects of high ocean temperature on marine biology