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Punjab (PTB) · Quarter book test · Free

2nd Year Biology 3rd Quarter Book Paper

40 marks · 1 hour · 28 questions. Covers: 4 chapters (CHAP 21: IMMUNITY to CHAP 24: EVOLUTION).

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2nd Year Biology 3rd Quarter Book Paper

2nd Year · Biology · Punjab (PTB)

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

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

  1. What statistical tool breaks data down into specific intervals for a deeper analysis?

    1. Percentiles

    2. Mean

    3. Mode

    4. Average

  2. Macrophages ingest a bacterium by which cellular process?

    1. Exocytosis

    2. Endocytosis

    3. Diffusion

    4. Osmosis

  3. In which year did Charles Darwin set sail on his scientific expedition?

    1. 1831

    2. 1809

    3. 1859

    4. 1882

  4. Sulfonamides are often combined with which agent to create a stronger, bactericidal combined therapy?

    1. Quinine

    2. Trimethoprim

    3. Chloroquine

    4. Beta-lactamase

  5. Which of the following is considered the simplest form of variability to measure data dispersion?

    1. Mean

    2. Variance

    3. Range

    4. Percentile

  6. Secreted B receptor proteins that circulate freely in the body are called:

    1. Antibodies

    2. Antigens

    3. Cytokines

    4. Histamines

  7. According to the endosymbiotic theory, smaller engulfed prokaryotes capable of aerobic respiration evolved into:

    1. Mitochondria

    2. Nuclei

    3. Chloroplasts

    4. Endoplasmic reticulum

  8. To prevent reduced drug absorption, tetracycline should not be taken alongside:

    1. Water or juices

    2. Green leafy vegetables

    3. Dairy or iron supplements

    4. Carbohydrate-rich foods

  9. Pie charts are ideal for visualizing data as:

    1. Continuous linear trends

    2. Portions of a whole

    3. Scattered individual points

    4. Intersecting geometric planes

  10. What specific proteins do Natural Killer Cells release to create pores in an infected target cell's membrane?

    1. Interferons

    2. Perforins

    3. Antibodies

    4. Histamines

  11. Neo-Darwinism was formed in the early 20th century by integrating Darwinism with:

    1. Modern genetics

    2. Traditional creationism

    3. Geology

    4. Environmental physics

  12. Penicillin primarily works to treat infections by inhibiting the synthesis of the bacterial:

    1. Cell wall

    2. Protein structure

    3. DNA replication sequence

    4. Folate metabolism path

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

  1. Differentiate between the actions of Fluoroquinolones on Gram-positive versus Gram-negative bacteria.

  2. List the three key characteristics of a bar chart.

  3. Define Natural Active Immunity.

  4. Explain what Divergent Evolution means.

  5. Define the primary purpose of drug discovery and drug development.

  6. What does a legend in a chart present?

  7. What is the primary drawback of using general immunosuppressive drugs to treat autoimmune diseases or transplant rejection?

  8. Why was Lamarck criticized heavily during his own lifetime?

  9. Differentiate between in vitro and in vivo testing in Preclinical Research.

  10. How is the median calculated when the number of values in a dataset is even?

  11. How does Active Immunity differ from Passive Immunity?

  12. What is the title of the book published by Jean-Baptiste Lamarck, and what does it mean?

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

  1. Assess the possible consequences of the misuse and overuse of antibiotics on human health.

  2. Describe the evidences of evolution that come from comparative anatomy.

  3. Explain the concepts of mean, median, and mode as measures of central tendency. Illustrate with examples when each measure would be most appropriate.

  4. How are monocytes, T-cells and B-cells the components of the immune system?