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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. 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
Metaphase I
Vegetative Propagation
Mitosis
Four Parts of Interphase
2. 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
Sexual Reproduction Requires
Acrosomal Process
Interphase
Sporophyte Generation
3. Sporophyte generation is the dominant - familiar form
Spermatogenesis
Ferns
Crossing Over
Oogenesis
4. AKA ovanan or fallopian tube -opens into the upper end of the uterus
Oocyte Cell Membrane
Mosses
Monocots
oviduct
5. 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
Partenogenesis
Spermatogenesis
Meiosis
6. (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
Spermatogenesis
Female Sex Hormones
Crossing Over
Cytokinesis (Interphase)
7. Nuclear division and followed by cell division
Karyokinesis
Natural Vegatative Propagation
Primary Oocytes
Hermaphrodites
8. When a diploid sporophyte generation produces ahaploid (monoploid) spore by meiosis - spores divide by mitosis to produce the haploid - or gametophyte - generation
Sporophyte Generation
Spermatogonia
Menses
Embryo
9. Chromosomes condense - and the centriole pairs (in animals) separate and move towards the opposite poles of the cell. the spindle apparatus forms between them - and the nuclear membrane dissolves - allowing the spindle fibers to interact with the chr
Prophase (Interphase)
Fertilization membrane
Uterus
Sexual Reproduction Requires
10. AKA sperm production -occurs in the seminiferous tubules
Prophase I
Spermatogenesis
Meristem Cells
Filament
11. Tail of sperm -propels the sperm - whereas mitochondria in the neck and body provide energy the locomotion
Flagellum
Monozygotic (identical) Twins
Acrosomal Process
Synapsis
12. Fibers of the spindle apparatus attach to each chromatid at the centromere to align the chromosomes at the center of the cell (equator)
Anther
Metaphase Plate (Interphase)
Spermatozoa
Cytokinesis (Interphase)
13. Comlex process involving the formation and fertilization of gametes and regulation of these processes by bot parents
Anther
Sexual Reproduction in Animals
Cotyledons
Cell Division
14. 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
Vegetative Propagation
Follicle
Corona Radiata
Meisosis vs. Mitosis
15. Practiced by terrestrial vertebrates and provides a direct route for sperm to reach the egg cell -increased chance for fertilization success and females produce fewer eggs
Spermatogenesis
Sporophyte
Internal Fertilization
Metaphase (Interphase)
16. Found in the tips of roots and stems where growth in length occurs
hCG (human Chorionic Gonadotrophin)
Monozygotic (identical) Twins
Meristem Cells
Apical Meristem
17. Produced when each meiotic division -rapidly degenerate
Metaphase I
Ovaries
Cellular Division (Unicellular Organisms)
Polar Body
18. The production of female gametes -occurs in the ovarian follicles
Sexual Reproduction in Animals
Crossing Over
Artificial Vegetative Propagation
Oogenesis
19. Have both functional male and female gonads
Hermaphrodites
Fertilization membrane
Asexual Reproduction
Ovaries
20. Four haploid cells produced from the second meiotic division after secondary spermatocytes
Spermatids
Anther
Fertilization
Cellular Division (Multicellular Organisms)
21. 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
Corona Radiata
Chromatin
Crossing Over
Fertilization
22. Split to form several bulbs
Bulbs
Angiosperms
Metaphase Plate (Interphase)
Plant vs. Animal cells
23. Multilayered sac of cells that contains - nourishes - and protects an immature ovum -produce estrogen
Tetrad
Spermatids
Menses
Follicle
24. Produces monoploid spores that develop into pollen grains
Spermatogenesis
Anther
Prophase (Interphase)
Rhizomes
25. 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
Spermatogonia
Follicle
Artificial Vegetative Propagation
Luteal Phase
26. The male organ of the flower and consists of a thin - stalk-like filament
Stamen
Meisosis vs. Mitosis
Ovaries
Progesterone
27. Regulates secondary male sex characteristics including facial and pubic hair and voice changes
Follicle
Testosterone
Asexual Reproduction in Plants
Internal Fertilization
28. Result when two ova are released in one ovarian cycle and are fertilized by two different sperm
Dizygotic (Fraternal) Twins
Testes
Ovum
Vegetative Propagation
29. Specialized organs where gametes are produced
Dizygotic (Fraternal) Twins
Hypocotyl
Apical Meristem
Gonads
30. Spore formation - vegetative propagation - and Artificial Vegetative Propagation
Testosterone
Internal Fertilization
Acrosome
Asexual Reproduction in Plants
31. 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
Budding
Embryo
Single Mature Egg
Follicle
32. The embryonic undifferentiated cells that growth in higher plants are restricted to -undergo active cell reproduction
Meristem Cells
Synapsis
Monocots
Asexual Reproduction in Plants
33. Mass of cells formed when the zygote divides
Embryo
Artificial Vegetative Propagation
Luteal Phase
Ovulation
34. Two haploid cells yielded from meiotic division of primary spermatocytes
Angiosperms
Hermaphrodites
Secondary Spermatocytes
Spermatogenesis
35. Large cell containing most of the cytoplasm - RNA - organelles - and nutrients needed by a developing embryo
Mature Ovum
Hermaphrodites
Embryo
Primary Spermatocytes
36. Centriole pairs are now at opposite poles of the cell
Prophase I
Filament
Metaphase (Interphase)
Cambium
37. As in mitosis - the parent cell's chromosomes are replicated in the 2N number of sister chromatids
Cambium
Interphase (Meiosis)
Spermatogonia
Immature ovum
38. Chromatin condenses into chromosomes - the spindle apparatus forms - and the nucleoli and nuclear membrane disappear
Prophase I
Spermatogenesis
Embryo
Regeneration
39. The process by which gametes are produced -involves two divisions of primary sex cells resulting in four haploid cells called gametes
Acrosome
Sexual Reproduction in Angiosperms
Meiosis
Follicle
40. External pouch that maintains the testes' temperature at 2C-4C lower than body tmperature - a condition essential for sperm survival
Sporophyte Generation
Metaphase Plate (Interphase)
Scrotum
Ovaries
41. Central region where - after replication - the chromosomes consist of two identical sister chromatids held together in interphase
Mature Ovum
Anther
Centromere
Tubers
42. Homologous pairs (tetrads) align at the equatorial plane - and each pair attaches to a separate spindle fiber by its kinetochore
Metaphase I
Vegetative Propagation
Immature ovum
Corpus Luteum
43. Part of embryo that develops from the outer covering of the ovule
Metaphase (Interphase)
Fertilization
Dicots
Seed Coat
44. Ex: estrogens and progesterone -synthesized by ovaries
Female Sex Hormones
Angiosperms
Bulbs
Cervix
45. 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
Dizygotic (Fraternal) Twins
Synapsis
Natural Vegatative Propagation
Acrosome
46. After ovulation - LH induces the ruptured follicle to develop into the corpus luteum
Sexual Reproduction Requires
Luteal Phase
Oogenesis
Oocytes
47. Sperm production -occurs in the seminiferous tubules
Spermatogenesis
Disjunction
Gametes
Metaphase I
48. Female gonads that produce oocytes
Spermatozoa
Spores
Ovaries
Mitosis
49. Diploid cells that undergo meiosis to produce four haploid sperm of equal size
Spermatogenesis
Menses
Spermatogonia
Corpus Luteum
50. Muscular chamber which is the site of fetal development
Mature sperm
Spermatogonia
Uterus
Rhizomes