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  1. Introduction to Coordinate Geometry and the Cartesian Plane
    by Dr. Osama M. Khaled — published Aug 24, 2026 — last modified Aug 28, 2026 09:44 PM — filed under: Year 8
    Covers the historical roots of geometry, the axiomatic approach of Euclid, the analytic approach of Descartes, and the rectangular Cartesian coordinate system ...
    Located in Mathematics / Calculus / From Geometry to Coordinate Geometry
  2. Reproduction Review
    by Dr. Osama M. Khaled — published Jun 18, 2026 — last modified Jun 18, 2026 03:31 AM — filed under: Year 8, Year 11, Year 12
    This is a full review quiz of Site of Sperm Production , Where the Testes Are Located, Where Sperm Is Stored, Path of Sperm During Ejaculation, Naming the ...
    Located in Biology / Reproduction
  3. Menstrual Cycle
    by Dr. Osama M. Khaled — published Jun 18, 2026 — last modified Jun 18, 2026 03:09 AM — filed under: Year 8, Year 11
    This quiz covers the four key hormones (FSH, estradiol, LH, progesterone), the ovarian vs. uterine cycle distinction (with a hormone-timeline diagram), ...
    Located in Biology / Reproduction
  4. Human Reproductive Anatomy
    by Dr. Osama M. Khaled — published Jun 18, 2026 — last modified Jun 18, 2026 12:32 AM — filed under: Year 8
    The quiz covers male structures (scrotum, seminiferous tubules, epididymis, sperm duct, prostate, urethra) and female structures (vulva, vagina, cervix, ...
    Located in Biology / Reproduction
  5. Asexual Reproduction
    by Dr. Osama M. Khaled — published Jun 17, 2026 — last modified Jun 17, 2026 07:36 PM — filed under: Year 8, Year 11
    This quiz covers budding, fragmentation, parthenogenesis, cloning, vegetative reproduction, spores, and the genetic-variability trade-off of asexual vs. sexual ...
    Located in Biology / Reproduction
  6. Cell Structure - Full Review
    by Dr. Osama M. Khaled — published Jun 16, 2026 — last modified Aug 23, 2026 07:34 AM — filed under: Year 8, Year 11, Year 12
    A full review quiz of the cell structure
    Located in Biology / Cell Structure
  7. Cell Division Review
    by Dr. Osama M. Khaled — published Jun 16, 2026 — last modified Jun 16, 2026 06:25 PM — filed under: Year 8, Year 9, Year 11, Year 12
    Comprehensive mixed quiz spanning binary fission, mitosis, and meiosis
    Located in Biology / Cell Division
  8. Prokaryotic vs. Eukaryotic Cells
    by Dr. Osama M. Khaled — published Jun 16, 2026 — last modified Jun 17, 2026 01:51 AM — filed under: Year 8, Year 11, Year 12
    This quiz covers contrasts prokaryotic cell features (nucleoid, no membrane-bound organelles, binary fission) with eukaryotic cells, using the cyanobacterium ...
    Located in Biology / Cell Division
  9. Vacuoles and Cell Sap
    by Dr. Osama M. Khaled — published Jun 15, 2026 — last modified Jun 15, 2026 09:26 PM — filed under: Year 8, Year 11, Year 12
    Focuses on plant vacuoles (tonoplast, cell sap, hyperosmotic conditions), contractile vacuoles in single-celled organisms, and the role of vacuoles in storing ...
    Located in Biology / Cell Structure
  10. Chloroplasts and Photosynthesis Organelles
    by Dr. Osama M. Khaled — published Jun 15, 2026 — last modified Jun 15, 2026 06:24 PM — filed under: Year 8, Year 11
    This quiz covers chloroplast structure (stroma, grana, lamellae, outer membrane), the role of plastids, and how chloroplasts compare to mitochondria in ...
    Located in Biology / Cell Structure
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