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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
Cotyledons
Endosperm
Cell Plate
Mitosis
2. Near the end of telophase - the cytoplasm divides into two daughter cells - each wit a complete nucleus and its own set of organelles -In animal cells - a cleavage furrow forms - and the cell membrane indents along the equator of the cell and finally
Seed Coat
Cytokinesis (Interphase)
Fertilization
Plant vs. Animal cells
3. Two haploid cells yielded from meiotic division of primary spermatocytes
Secondary Spermatocytes
Monozygotic (identical) Twins
Sexual Reproduction in Animals
Female Sex Hormones
4. The site of sperm deposition during intercourse and is also the passageway through which a baby is expelled during childbirth
Oogenesis
Vaginal Canal
Asexual Reproduction in Plants
Centromere
5. Produces two intermediate daughter cells with N chromosomes with sister chromatids
Fertilization
Testes
Monocots
First Meiotic Division
6. Tail of sperm -propels the sperm - whereas mitochondria in the neck and body provide energy the locomotion
Flagellum
Embryo
External Fertilization
Flower
7. If the ovum isn't fertilized - the corpus luteum atrophies - the resulting drop in progesterone and estrogen levels causes the endometrium (with its superficial blood vessels) to slough off - giving rise to menses
Female Sex Hormones
Menstruation
Telophase I
Flower
8. Sporophyte generation is the dominant - familiar form
Asexual Reproduction in Plants
Immature ovum
Runners
Ferns
9. Consists almost entirely of the nucleus - which contains the paternal genome
Cell Plate
Head of Sperm
Fertilization membrane
Anther
10. Cell division that follows karyokinesis
Spermatogenesis
Cytokinesis
Stamen
Sporophyte Generation
11. The production of female gametes -occurs in the ovarian follicles
Oogenesis
Second Meiotic Division
Anther
Meristems
12. Differs from asexual reproduction in that there are two parents involved and the end result is a geneticaly unique offspring -fusion of two gametes
Hypocotyl
Sexual Reproductive Mechanisms
First Meiotic Division
Ovaries
13. Common passageway for both the reproductive and exretory systems
Corpus Luteum
Flagellum
Male Urethra
Fertilization
14. Split to form several bulbs
Bulbs
Menses
Sexual Reproduction in Angiosperms
Urethra
15. Centromeres split so that each chromatid has its own distinct centromere - thus allowing sister chromatids to separate. The sister chromatids are pulled toward the opposite poles of the cell by the shortening of the spindle fibers. Spindle fibers are
Sexual Reproductive Mechanisms
Menstruation
Anaphase (Interphase)
Asexual Reproduction in Plants
16. 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
Menstrual Cycle
Testes
Cervix
Mitosis
17. Specialized organs where gametes are produced
Monozygotic (identical) Twins
Gonads
Vegetative Propagation
Stamen
18. Part of embryo that is the precursor of the upper stem and leaves
epicotyl
Spermatozoa
Prophase (Interphase)
Uterus
19. Specialized cells with hard coverings that prevent loss of water
Spores
Cellular Division (Unicellular Organisms)
Testes
Monozygotic (identical) Twins
20. Part of embryo that develops from the outer covering of the ovule
Seed Coat
Single Mature Egg
Fertilization/Conjugation
Immature ovum
21. 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
Gametes
Gametophyte Generation
Spore Formation
Mitosis
22. Some species of plants have flowers that contain only stamens and other flowers that contain only pistils
Gonads
Plant vs. Animal cells
Sexual Reproduction in Angiosperms
Natural Vegatative Propagation
23. Expanding partition that grows outward from the interior of the cell until it reaches the cell membrane
Angiosperms
Disjunction
Cell Plate
Fertilization
24. Produced when each meiotic division -rapidly degenerate
Oogenesis
Uterus
Polar Body
Menstrual Cycle
25. External pouch that maintains the testes' temperature at 2C-4C lower than body tmperature - a condition essential for sperm survival
Scrotum
Acrosomal Process
Crossing Over
Testes
26. Diploid cells of spermatogonia
Cellular Division (Unicellular Organisms)
Primary Spermatocytes
Gametophyte Generation
Flower
27. Releases spores form the undersides of its leaves that develop into small heart-shaped gametophytes
Cambium
Karyokinesis
Flower
Sporophyte
28. Mass of cells formed when the zygote divides
Sexual Reproductive Mechanisms
Embryo
Chromatin
Mature Ovum
29. Spore formation - vegetative propagation - and Artificial Vegetative Propagation
Asexual Reproduction in Plants
Oocytes
Mitosis
Cotyledons
30. 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
Estrogens
Cellular Division (Unicellular Organisms)
Testosterone
epicotyl
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
Disjunction
Bulbs
Flower
Budding
32. 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
Progesterone
Interphase (Meiosis)
Menstrual Cycle
Embryo
33. The male organ of the flower and consists of a thin - stalk-like filament
Sexual Reproductive Mechanisms
Stamen
Sporophyte Generation
Natural Vegatative Propagation
34. 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
Sporophyte Generation
Spermatogenesis
Vegetative Propagation
Asexual Reproduction
35. A means of reproduction
Cellular Division (Unicellular Organisms)
Uterus
Male Urethra
Chromatin
36. 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 membrane
Meisosis vs. Mitosis
Anaphase (Interphase)
Primary Spermatocytes
37. Central region where - after replication - the chromosomes consist of two identical sister chromatids held together in interphase
Spore Formation
Ovulation
Progesterone
Centromere
38. Homologous pairs (tetrads) align at the equatorial plane - and each pair attaches to a separate spindle fiber by its kinetochore
Spermatids
Menstruation
Male Urethra
Metaphase I
39. AKA lateral meristem -located between the xylem and phloem
Follicle
Cell Division
Bulbs
Cambium
40. Nuclear membrane forms around each new nucleus -at this point - each chromosome still consists of sister chromatids joined at the centromere
Oogenesis
First Meiotic Division
Telophase I
Estrogens
41. Stems running above and along the gorund - extending form the main stem -can produce new roots and upright stems
Oocyte Cell Membrane
Luteal Phase
Interphase
Runners
42. Released from the ovary into the abdominal cavity and drawn into the nearby oviduct
Meristem Cells
Regeneration
Second Meiotic Division
Immature ovum
43. Located on scrotum -site for testosterone
Ferns
Ovum
Testes
Anther
44. Produced when one diploid primary female sex cell undergoes meiosis in the ovaries
Testosterone
Single Mature Egg
Mitosis
Plant vs. Animal cells
45. Part of embryo that grows and feeds the embryo
Endosperm
First Meiotic Division
Luteal Phase
Follicle
46. (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
Vegetative Propagation
Runners
Fertilization membrane
Disjunction
47. Surrounded by two layers of cells
Spermatozoa
Uterus
Oocyte Cell Membrane
Sexual Reproduction Requires
48. Have one cotyledon
Meristem Cells
Cytokinesis
Karyokinesis
Monocots
49. Immature ova -all that a female will produce during her lifetime are already in her ovaries at birth
Hermaphrodites
Primary Oocytes
Mitosis
Interphase (Meiosis)
50. After ovulation - LH induces the ruptured follicle to develop into the corpus luteum
Embryo
Secondary Oocyte
Luteal Phase
Prophase (Interphase)