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Test your basic knowledge |
PCAT Biology Reproduction
Start Test
Study First
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. Part of embry that are seed leaves
Monozygotic (identical) Twins
Karyokinesis
Angiosperms
Cotyledons
2. Male gonads - produce sperm in the tightly coiled seminiferous tubules
Spores
Single Mature Egg
Menses
Testes
3. Cell division that follows karyokinesis
Mature sperm
Disjunction
Cytokinesis
Tubers
4. Comlex process involving the formation and fertilization of gametes and regulation of these processes by bot parents
Sexual Reproduction in Animals
Monozygotic (identical) Twins
Sporophyte Generation
Anaphase (Interphase)
5. Released from the ovary into the abdominal cavity and drawn into the nearby oviduct
Metaphase I
Immature ovum
Anther
Interphase (Meiosis)
6. Union of the egg and sperm nuclei to form a zygote with a diploid number of chromosomes
Primary Oocytes
Anther
Cellular Division (Unicellular Organisms)
Fertilization
7. The production of female gametes - occurs in the ovaries
Oogenesis
Female Sex Hormones
External Fertilization
Cytokinesis (Interphase)
8. Nuclear division and followed by cell division
Karyokinesis
Interphase (Meiosis)
Testes
Crossing Over
9. Plant cells lack centrioles -spindle apparatus is synthesized by mcrotubule organizing centers that are not visible -cytokinesis in animal cells proceeds through production of a cleavage furrow -Plant cells are rigid and can't form cleavage furrows -
oviduct
Plant vs. Animal cells
Hypocotyl
Gonads
10. Underground stems with bubs - like the eyes of potatoes - that can develop into adult plants
Estrogens
Tubers
Karyokinesis
Spores
11. Four haploid cells produced from the second meiotic division after secondary spermatocytes
Cortical Reaction
Ovaries
Spermatids
Fertilization membrane
12. Produces monoploid spores that develop into pollen grains
Rhizomes
Anther
Meisosis vs. Mitosis
Sperm Travels...
13. 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
Cellular Division (Multicellular Organisms)
Disjunction
Vaginal Canal
Corona Radiata
14. Large cell containing most of the cytoplasm - RNA - organelles - and nutrients needed by a developing embryo
Primary Spermatocytes
Mature Ovum
Zona Pellucida
Gonads
15. The site of sperm deposition during intercourse and is also the passageway through which a baby is expelled during childbirth
Meisosis vs. Mitosis
Menses
Vaginal Canal
Oogenesis
16. Replication of the nucleus followed by unequal cytokinesis -membrane pinches inward to forma new cell that is smaller in size but genetically identical to the parent cell
Tetrad
Budding
Embryo
Angiosperms
17. The embryonic undifferentiated cells that growth in higher plants are restricted to -undergo active cell reproduction
Vegetative Propagation
Ovulation
Meristem Cells
Plant vs. Animal cells
18. Eggs
Meisosis vs. Mitosis
Spermatozoa
Prophase (Interphase)
Oocytes
19. When a diploid sporophyte generation produces ahaploid (monoploid) spore by meiosis - spores divide by mitosis to produce the haploid - or gametophyte - generation
Sporophyte Generation
Sexual Reproduction in Animals
Cell Plate
Meristem Cells
20. Very similar to mitosis - except that meiosis II is not preceded by chromosomal replication -chromosomes align at the equator - separate and move to opposite poles - and are surrounded by a reformed nuclear membrane -new cells have the haploid number
Monozygotic (identical) Twins
Internal Fertilization
Gonads
Second Meiotic Division
21. The male organ of the flower and consists of a thin - stalk-like filament
Fission
Sexual Reproductive Mechanisms
Interphase
Stamen
22. Some species of plants have flowers that contain only stamens and other flowers that contain only pistils
Estrogens
Mature sperm
Sexual Reproduction in Angiosperms
Cellular Division (Unicellular Organisms)
23. Consists almost entirely of the nucleus - which contains the paternal genome
Head of Sperm
Oogenesis
Anther
Secondary Oocyte
24. 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
Head of Sperm
External Fertilization
Cotyledons
hCG (human Chorionic Gonadotrophin)
25. Uncoiled DNA
Metaphase Plate (Interphase)
Cell Plate
Chromatin
Cytokinesis
26. Regulates secondary male sex characteristics including facial and pubic hair and voice changes
Testosterone
Oogenesis
Corona Radiata
Oocyte Cell Membrane
27. 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
Male Urethra
Menstruation
Runners
Estrogens
28. Specialized cells with hard coverings that prevent loss of water
Spores
Ovaries
Sexual Reproductive Mechanisms
Dicots
29. Regrowth of a lost or injured body part
Spermatozoa
Asexual Reproduction
Regeneration
Endosperm
30. Sporophyte generation is the dominant - familiar form
Ovaries
Ferns
Sporophyte
Partenogenesis
31. Part of embryo that grows and feeds the embryo
Endosperm
Male Urethra
Telophase I
oviduct
32. Hormonal secretions of the ovaries - the hypothalamus - and the anterior pituitary play important roles in the female reproductive cycle -divided into the follicular phase - ovulation - the luteal phase - and menstruation
Urethra
Primary Spermatocytes
Menstrual Cycle
Follicular phase
33. Ex: estrogens and progesterone -synthesized by ovaries
Corpus Luteum
Female Sex Hormones
Meiosis
Primary Oocytes
34. AKA stolon -woody - underground stems -can develop new upright stems
Rhizomes
Mosses
Sporophyte
Head of Sperm
35. 1) G1: Initiates interphase. is described as the active growth phase and can vary in length. the cell increases in size and synthesizes proteins. the length of the G1 phase determines the length of the entire cell cycle 2) S: the period of DNA synthe
Four Parts of Interphase
Rhizomes
Ovaries
Internal Fertilization
36. Meristems provide a source of cells that can develop into an adult plant -can occur naturally or through human intervention -advantagous because it introduces no genetic variation and is a rapid form of reproduction
Vegetative Propagation
Vaginal Canal
Metaphase I
Budding
37. Flowering plants consisting of a few cells that exist for a very short time
Angiosperms
Sporophyte Generation
Fertilization/Conjugation
Progesterone
38. The production of female gametes -occurs in the ovarian follicles
Four Parts of Interphase
Cytokinesis (Interphase)
Ovaries
Oogenesis
39. Immature ova -all that a female will produce during her lifetime are already in her ovaries at birth
Telophase (Interphase)
Regeneration
Primary Oocytes
Prophase (Interphase)
40. Method of growth - development - and replacement of worn-out cells
Acrosomal Process
Cellular Division (Multicellular Organisms)
Sperm Travels...
Polar Body
41. 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
Fertilization
Bulbs
Interphase (Meiosis)
Monocots
42. 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
Gonads
Spermatogenesis
Progesterone
Estrogens
43. Sperm production -occurs in the seminiferous tubules
Urethra
Estrogens
Primary Oocytes
Spermatogenesis
44. Result when two ova are released in one ovarian cycle and are fertilized by two different sperm
Dizygotic (Fraternal) Twins
Interphase
Spermatids
Budding
45. Production of offspring without fertilization -form new organisms by a single parent cell -offspring are genetic carbon copies of their parent cells -genetically identical to the parent cells (except mutations) -ex: fission - budding - regeneration -
Interphase
Fertilization/Conjugation
Asexual Reproduction
Oocyte Cell Membrane
46. Surrounded by two layers of cells
Anther
Vaginal Canal
Oocyte Cell Membrane
Meisosis vs. Mitosis
47. Lower - narrow end of the uterus -connects with the vaginal canal
Cytokinesis
Cell Division
Anther
Cervix
48. Outer layer of oocyte cell membrane
Sporophyte Generation
Flower
Mosses
Corona Radiata
49. 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
Spermatogenesis
Gametes
Sexual Reproduction Requires
Acrosomal Process
50. Located on scrotum -site for testosterone
Anther
Testes
Sexual Reproductive Mechanisms
Vegetative Propagation