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PCAT Biology Reproduction

Subjects : pcat, biology
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. A means of reproduction






2. The embryonic undifferentiated cells that growth in higher plants are restricted to -undergo active cell reproduction






3. Have one cotyledon






4. Have both functional male and female gonads






5. Can be fertilized during the 12-24hr after ovulation -occurs in the lateral - widest portion of the fallopian tube -sperm must travel through the vaginal canal - cervix - uterus - and into the fallopian tubes to reach the ovum






6. Produced in developing placenta if fertilization occurs - maintaining the corpus luteum and - thus - the supply of estrogen and progesterone that maintains the uterus - until the placenta takes over production of these hormones






7. Begins with the cessation of the menstrual flow from the previous cycle -FSH (Follicle Stimulating Hormone) from the anterior pituitary promotes the development of the follicle - which grows and begins secreting estrogen






8. Menstrual flow






9. Uncoiled DNA






10. Secretes estrogen and progesterone






11. First barrier that the sperm must penetrate -enzymes secreted by the sperm aid in penetration of the corona radiata -arosome is responsible for penetrating the zona pellucida; it releases enzymes that digest this layer - thereby allowing the sperm to






12. Regrowth of a lost or injured body part






13. Method of growth - development - and replacement of worn-out cells






14. Fibers of the spindle apparatus attach to each chromatid at the centromere to align the chromosomes at the center of the cell (equator)






15. The production of female gametes -occurs in the ovarian follicles






16. Part of embryo that develops from the outer covering of the ovule






17. Expanding partition that grows outward from the interior of the cell until it reaches the cell membrane






18. Diploid cells that undergo meiosis to produce four haploid sperm of equal size






19. Specialized organs where gametes are produced






20. The production of female gametes - occurs in the ovaries






21. Caplike structure - derived from the Golgi apparatus - develops over the anterior half of the head -contains enzymes needed to penetrate the tough outer covering of the ovum






22. Produced when each meiotic division -rapidly degenerate






23. Comlex process involving the formation and fertilization of gametes and regulation of these processes by bot parents






24. AKA sperm production -occurs in the seminiferous tubules






25. Released from the ovary into the abdominal cavity and drawn into the nearby oviduct






26. Muscular chamber which is the site of fetal development






27. (In Prophase I) process where homologous chromosomes (chromosomes that code for the same traits - one inherited form each parent) come together and intertwine






28. Steroid hormones necessary for normal female maturation -stimulate the development of the female reproductive tract and contribute to the development of secondary sexual characteristics and sex drive -responsible for the thickening of the endometrium






29. Produces two intermediate daughter cells with N chromosomes with sister chromatids






30. Part of embry that are seed leaves






31. A tubelike structure formed by the sperm once in contact with the membrane -extends to the cell membrane and penetrates it - fusing the sperm cell membrane with that of the ovum -Sperm nucleus now enters the ovum's cytoplasm to complete Meiosis II






32. Occurs in vertebrates that reproduce in water (fish and amphibians) -female lays eggs in water and male deposits sperm in the vicinity -lack of direct passage of sperm from male to female reduces chances of fertilization considerably






33. Plants exhibit alternation of generation in which a diploid generation is succeeded by a haploid generation -diploid saprophyte generation produces haploid spores - which develop into the haploid saprophyte generation






34. Inner layer of oocyte cell membrane






35. Passes through the penis and opens to the outside at its tip






36. Located on scrotum -site for testosterone






37. Sperm production -occurs in the seminiferous tubules






38. Male gonads - produce sperm in the tightly coiled seminiferous tubules






39. Thin and stalk like with a terminal sac called the anther






40. Surrounded by two layers of cells






41. Consists almost entirely of the nucleus - which contains the paternal genome






42. Eggs






43. Outer layer of oocyte cell membrane






44. Releases spores form the undersides of its leaves that develop into small heart-shaped gametophytes






45. Egg






46. Causes the glands of the endometrium to mature and produce secretions that prepare it for the implantation of an embryo -essential for the maintenance of the endometrium






47. The male organ of the flower and consists of a thin - stalk-like filament






48. Two haploid cells yielded from meiotic division of primary spermatocytes






49. AKA ovanan or fallopian tube -opens into the upper end of the uterus






50. Stems running above and along the gorund - extending form the main stem -can produce new roots and upright stems