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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. When a diploid sporophyte generation produces ahaploid (monoploid) spore by meiosis - spores divide by mitosis to produce the haploid - or gametophyte - generation
Estrogens
Spermatogenesis
Sporophyte Generation
Ovulation
2. Cell division that follows karyokinesis
Anaphase I
Corpus Luteum
Cytokinesis
Mature sperm
3. Sporophyte generation is the dominant - familiar form
Ferns
Primary Spermatocytes
Follicular phase
Anther
4. Diploid cells that undergo meiosis to produce four haploid sperm of equal size
Oocytes
Sexual Reproduction in Animals
Spermatogonia
hCG (human Chorionic Gonadotrophin)
5. The male organ of the flower and consists of a thin - stalk-like filament
Sporophyte Generation
Cytokinesis (Interphase)
Dizygotic (Fraternal) Twins
Stamen
6. AKA lateral meristem -located between the xylem and phloem
Oocyte Cell Membrane
Cambium
Follicle
Disjunction
7. (In Prophase I) chromatids of homologous chromosomes break at corresponding points and exchange equivalent pieces of DNA -occurs between homologous chromosomes and not between sister chromatids of the same chromosomes (the latter are identical - so c
epicotyl
Crossing Over
Cytokinesis (Interphase)
Spermatogonia
8. Releases spores form the undersides of its leaves that develop into small heart-shaped gametophytes
Estrogens
Meristem Cells
Ovum
Sporophyte
9. 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
Hypocotyl
Tubers
Gametes
Estrogens
10. The process by which a cell doubles its organelles and cytoplasm - replicates its DNA - and then divides into two
Sporophyte Generation
Cell Division
Meisosis vs. Mitosis
External Fertilization
11. Bulbs - tubers - runners - rhizomes
Cortical Reaction
Menstrual Cycle
Cell Plate
Natural Vegatative Propagation
12. Formed due to cortical reaction -hard layer that surrounds the ovum cell membrane and prevents multiple fertilizations -Followed by the fusion of sperm nucleus and form a diploid zygote
Fertilization
Sexual Reproduction in Angiosperms
Fertilization membrane
Cervix
13. Part of embryo that grows and feeds the embryo
Interphase
Metaphase I
Endosperm
Spermatogenesis
14. The production of female gametes - occurs in the ovaries
Estrogens
Fission
Oogenesis
Primary Spermatocytes
15. Underground stems with bubs - like the eyes of potatoes - that can develop into adult plants
Tubers
Monozygotic (identical) Twins
Dizygotic (Fraternal) Twins
Primary Spermatocytes
16. A means of reproduction
Ovaries
Runners
Corona Radiata
Cellular Division (Unicellular Organisms)
17. Ex: estrogens and progesterone -synthesized by ovaries
Four Parts of Interphase
Plant vs. Animal cells
Female Sex Hormones
hCG (human Chorionic Gonadotrophin)
18. Comlex process involving the formation and fertilization of gametes and regulation of these processes by bot parents
Embryo
Acrosomal Process
Centromere
Sexual Reproduction in Animals
19. Egg
Seed Coat
Ovum
Sperm Travels...
Cotyledons
20. Union of gametes
Disjunction
Gametophyte Generation
Stamen
Fertilization/Conjugation
21. Regrowth of a lost or injured body part
Regeneration
Mature Ovum
Fission
Spermatogenesis
22. Flowering plants consisting of a few cells that exist for a very short time
Follicular phase
Uterus
Angiosperms
Single Mature Egg
23. AKA ovanan or fallopian tube -opens into the upper end of the uterus
oviduct
Estrogens
Spermatids
Crossing Over
24. The embryonic undifferentiated cells that growth in higher plants are restricted to -undergo active cell reproduction
Second Meiotic Division
Meristem Cells
Spermatogenesis
Metaphase Plate (Interphase)
25. Outer layer of oocyte cell membrane
Fertilization membrane
Mosses
Luteal Phase
Corona Radiata
26. Cut piece of stem can develop new roots in water or moist gorund - which can be used to accelerate root formation -layering: stems of certain plants - will take root when bent to the gorund and covered with soil -stem of one plant (scion) can be atta
Artificial Vegetative Propagation
Fertilization membrane
Partenogenesis
Cytokinesis (Interphase)
27. Multilayered sac of cells that contains - nourishes - and protects an immature ovum -produce estrogen
Testes
Spermatogonia
Rhizomes
Follicle
28. Haploid gametophyte gneration produces gametes by mitosis -gametophytes reproduce sexually - whereas the sporophyte gneration reproduces asexually
Cytokinesis
Telophase I
Interphase (Meiosis)
Gametophyte Generation
29. Immature ova -all that a female will produce during her lifetime are already in her ovaries at birth
Primary Oocytes
Hypocotyl
Gonads
Primary Spermatocytes
30. Muscular chamber which is the site of fetal development
Testosterone
Gametes
Estrogens
Uterus
31. Nuclear membrane forms around each new nucleus -at this point - each chromosome still consists of sister chromatids joined at the centromere
Metaphase Plate (Interphase)
Oocyte Cell Membrane
Telophase I
Gametophyte Generation
32. (In Anaphase I) homologous pairs separate and are pulled to opposite poles of the cell -accounts for a fundamental Mendelian Law -each chromosome of paternal origin separates (or disjoins) from its homologue of maternal origin - and either chromosome
Fertilization
Meristems
Disjunction
Spores
33. Secretes estrogen and progesterone
Prophase (Interphase)
Menses
Secondary Oocyte
Corpus Luteum
34. Specialized organs where gametes are produced
Gonads
Regeneration
Metaphase Plate (Interphase)
Sporophyte
35. Result when two ova are released in one ovarian cycle and are fertilized by two different sperm
Cambium
Dizygotic (Fraternal) Twins
Cytokinesis
Mitosis
36. 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
Spermatids
Primary Spermatocytes
Ferns
Follicular phase
37. 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
Acrosomal Process
Progesterone
Endosperm
Anther
38. 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
Interphase
Fertilization
Vaginal Canal
Menstruation
39. The spindle apparatus disappears. A nuclear membrane forms around each set of newly formed chromosomes. Thus - each nucleus contains the same number of chromosomes (the diploid number 2n) as the original or parent nucleus. The chromosomes uncoil - re
Anther
Telophase (Interphase)
Single Mature Egg
Meiosis
40. Inner layer of oocyte cell membrane
Zona Pellucida
Cambium
Telophase I
Ovulation
41. Menstrual flow
Chromatin
Ovulation
Oogenesis
Menses
42. Produced after meioisis from spermatids that undergo a series of changes -AKA mature sperm -specialized for transporting the sperm nucleus to the ovum -elongated cell with a head - neck - body - and tail
Spermatozoa
Follicular phase
Centromere
Gametes
43. External pouch that maintains the testes' temperature at 2C-4C lower than body tmperature - a condition essential for sperm survival
Cervix
Scrotum
Progesterone
Primary Spermatocytes
44. Cell undergoes a period of growth and replication of genetic material before the initiation of mitosis -cell spends at least 90% of life in interphase -each chromosome is replicated so that during division - a complete copy of the genome can be distr
Interphase
Chromatin
Mitosis
Cambium
45. Produces monoploid spores that develop into pollen grains
Anther
Tubers
Centromere
Cellular Division (Multicellular Organisms)
46. The site of sperm deposition during intercourse and is also the passageway through which a baby is expelled during childbirth
Apical Meristem
Disjunction
Follicle
Vaginal Canal
47. Gametophyte is the dominant generation -smaller - short lived organism that depends on the gametophyte for energy and nutrients - sporophytes grow on top of the gametophytes and produce spores that develop into gametophytes
Cambium
Oogenesis
Testes
Mosses
48. Passes through the penis and opens to the outside at its tip
Four Parts of Interphase
Urethra
Gametophyte Generation
Fertilization/Conjugation
49. Undergoes disjunction
Disjunction
Gametes
Anaphase I
Sexual Reproduction in Angiosperms
50. Produces two intermediate daughter cells with N chromosomes with sister chromatids
Metaphase I
Single Mature Egg
Polar Body
First Meiotic Division