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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. 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
Mature Ovum
Metaphase I
hCG (human Chorionic Gonadotrophin)
Immature ovum
2. Sporophyte generation is the dominant - familiar form
Prophase I
Telophase (Interphase)
Ferns
Four Parts of Interphase
3. Male gonads - produce sperm in the tightly coiled seminiferous tubules
Testes
Meristems
Fertilization
Second Meiotic Division
4. After ovulation - LH induces the ruptured follicle to develop into the corpus luteum
Luteal Phase
Bulbs
Synapsis
Ovulation
5. Diploid cells that undergo meiosis to produce four haploid sperm of equal size
Spermatogonia
Cellular Division (Unicellular Organisms)
Sexual Reproduction in Animals
Anther
6. Part of embry that are seed leaves
Menses
Four Parts of Interphase
Cellular Division (Multicellular Organisms)
Cotyledons
7. Result when two ova are released in one ovarian cycle and are fertilized by two different sperm
Spores
Hypocotyl
Dizygotic (Fraternal) Twins
Cytokinesis
8. Production of functional sex cells by adult organisms -fertilization forms a zygote -development of the zygote into another adult - completing the cycle
Ovaries
Cellular Division (Multicellular Organisms)
Dicots
Sexual Reproduction Requires
9. 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
Anaphase (Interphase)
Disjunction
First Meiotic Division
10. 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
Telophase (Interphase)
oviduct
Menstrual Cycle
11. Differs from asexual reproduction in that there are two parents involved and the end result is a geneticaly unique offspring -fusion of two gametes
Sexual Reproductive Mechanisms
Plant vs. Animal cells
epicotyl
Rhizomes
12. Immature ova -all that a female will produce during her lifetime are already in her ovaries at birth
Fertilization/Conjugation
Dicots
Monozygotic (identical) Twins
Primary Oocytes
13. AKA lateral meristem -located between the xylem and phloem
Bulbs
Dicots
Cambium
Karyokinesis
14. Homologous pairs (tetrads) align at the equatorial plane - and each pair attaches to a separate spindle fiber by its kinetochore
Asexual Reproduction
Sexual Reproductive Mechanisms
Metaphase I
Ovaries
15. Ex: estrogens and progesterone -synthesized by ovaries
Fission
Prophase I
Female Sex Hormones
Angiosperms
16. Union of gametes
oviduct
Secondary Oocyte
Fertilization/Conjugation
Filament
17. Menstrual flow
Endosperm
Mature sperm
Anaphase (Interphase)
Menses
18. Contains elongated cell with head - tail - neck - and body
Meisosis vs. Mitosis
Mature sperm
Vaginal Canal
Second Meiotic Division
19. Chromatin condenses into chromosomes - the spindle apparatus forms - and the nucleoli and nuclear membrane disappear
Metaphase I
Bulbs
Prophase I
Spermatogonia
20. Diploid cells of spermatogonia
Fertilization/Conjugation
Artificial Vegetative Propagation
Spermatids
Primary Spermatocytes
21. 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 (Unicellular Organisms)
Uterus
Scrotum
Corona Radiata
22. 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
Mosses
Vaginal Canal
Spermatogonia
Embryo
23. 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
Telophase (Interphase)
Primary Oocytes
oviduct
Spermatozoa
24. Female gonads that produce oocytes
Dicots
Spore Formation
Ovaries
Sexual Reproductive Mechanisms
25. A means of reproduction
Cellular Division (Unicellular Organisms)
Flower
Internal Fertilization
Corona Radiata
26. 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
Fertilization
Hermaphrodites
Anaphase I
27. Part of embryo that grows and feeds the embryo
Oogenesis
Endosperm
Sexual Reproduction in Animals
Interphase (Meiosis)
28. The development of an unfertilized egg into an adult organism
Partenogenesis
Cotyledons
Spermatogonia
Prophase (Interphase)
29. Part of embryo that is the precursor of the upper stem and leaves
Hypocotyl
Crossing Over
Cortical Reaction
epicotyl
30. Have both functional male and female gonads
Vegetative Propagation
First Meiotic Division
Asexual Reproduction in Plants
Hermaphrodites
31. Surrounded by two layers of cells
Oocyte Cell Membrane
Spermatogonia
Cellular Division (Multicellular Organisms)
Acrosome
32. 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
Acrosome
Spermatogenesis
Meisosis vs. Mitosis
Telophase I
33. Triggered by acrosomal reaction causing calcium ions to be released into the cytoplasm
Fission
Testes
Secondary Oocyte
Cortical Reaction
34. (In Prophase I) each chromosome consists of two sister chromatids - each synaptic pair of homologous chromosomes containing four chromatids
Asexual Reproduction
Tetrad
Interphase
Angiosperms
35. Uncoiled DNA
Cellular Division (Unicellular Organisms)
Anther
Chromatin
Estrogens
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
Regeneration
Follicular phase
Fission
Sexual Reproduction Requires
37. Nuclear membrane forms around each new nucleus -at this point - each chromosome still consists of sister chromatids joined at the centromere
oviduct
Telophase I
Meiosis
Mature sperm
38. Nuclear division and followed by cell division
Karyokinesis
Mature sperm
Meiosis
Progesterone
39. (In Prophase I) process where homologous chromosomes (chromosomes that code for the same traits - one inherited form each parent) come together and intertwine
Synapsis
Fertilization membrane
Endosperm
Meristems
40. The production of female gametes - occurs in the ovaries
Testes
Oogenesis
Cervix
Regeneration
41. Sperm production -occurs in the seminiferous tubules
Gametophyte Generation
Spermatogenesis
Cellular Division (Unicellular Organisms)
Gonads
42. Released from the ovary into the abdominal cavity and drawn into the nearby oviduct
Gonads
Anaphase (Interphase)
Spermatids
Immature ovum
43. Two haploid cells yielded from meiotic division of primary spermatocytes
Polar Body
Secondary Spermatocytes
Spermatids
Second Meiotic Division
44. Mass of cells formed when the zygote divides
Sexual Reproductive Mechanisms
Rhizomes
Embryo
Oogenesis
45. (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
Crossing Over
Apical Meristem
Tetrad
Budding
46. Occurs midway through the cycle -a mature ovarian follicle bursts and releases an ovum -caused by a surge in LH (Luteinizing Hormone) that is preceded - and in part caused - by a peak in estrogen levels
Ovulation
Sperm Travels...
Oogenesis
Monocots
47. Have one cotyledon
Mosses
Spore Formation
Monocots
Meisosis vs. Mitosis
48. Comlex process involving the formation and fertilization of gametes and regulation of these processes by bot parents
Fertilization/Conjugation
Oogenesis
Sexual Reproduction in Animals
Cellular Division (Multicellular Organisms)
49. Centriole pairs are now at opposite poles of the cell
Metaphase (Interphase)
Single Mature Egg
Cell Division
Filament
50. Tail of sperm -propels the sperm - whereas mitochondria in the neck and body provide energy the locomotion
Flagellum
Seed Coat
Cell Division
Four Parts of Interphase