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Test your basic knowledge |
PCAT Biology Reproduction
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Subjects
:
pcat
,
biology
Instructions:
Answer 50 questions in 15 minutes.
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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. The production of female gametes -occurs in the ovarian follicles
Internal Fertilization
Metaphase Plate (Interphase)
Oogenesis
Interphase
2. 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
Corona Radiata
Vegetative Propagation
Spermatozoa
epicotyl
3. The site of sperm deposition during intercourse and is also the passageway through which a baby is expelled during childbirth
Fertilization
Fission
Primary Oocytes
Vaginal Canal
4. 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
Acrosomal Process
Sexual Reproductive Mechanisms
Vaginal Canal
Corpus Luteum
5. Part of embryo that grows and feeds the embryo
Endosperm
Spermatogenesis
External Fertilization
Cervix
6. Central region where - after replication - the chromosomes consist of two identical sister chromatids held together in interphase
Spermatozoa
Centromere
Hermaphrodites
Anaphase I
7. Produces two intermediate daughter cells with N chromosomes with sister chromatids
Uterus
Sporophyte Generation
First Meiotic Division
Gonads
8. Specialized organs where gametes are produced
Gonads
Spermatozoa
Runners
Endosperm
9. Split to form several bulbs
Artificial Vegetative Propagation
Cervix
Bulbs
Urethra
10. Specialized sex cells
Polar Body
Cell Plate
Synapsis
Gametes
11. 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
Telophase I
Natural Vegatative Propagation
Sexual Reproduction in Animals
12. Production of functional sex cells by adult organisms -fertilization forms a zygote -development of the zygote into another adult - completing the cycle
Head of Sperm
Spermatogenesis
Sexual Reproduction Requires
Dizygotic (Fraternal) Twins
13. Triggered by acrosomal reaction causing calcium ions to be released into the cytoplasm
Spermatogenesis
Cortical Reaction
Testes
Budding
14. 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
Cellular Division (Unicellular Organisms)
Cytokinesis
Telophase (Interphase)
15. Sperm production -occurs in the seminiferous tubules
Testes
Cortical Reaction
Spermatogenesis
Telophase (Interphase)
16. 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
Fertilization
Follicular phase
Fertilization
Female Sex Hormones
17. Chromatin condenses into chromosomes - the spindle apparatus forms - and the nucleoli and nuclear membrane disappear
Prophase I
Sporophyte
Spermatids
Cervix
18. Diploid cells that undergo meiosis to produce four haploid sperm of equal size
Menstrual Cycle
Anther
Ovum
Spermatogonia
19. Outer layer of oocyte cell membrane
Corona Radiata
Monozygotic (identical) Twins
Sperm Travels...
Interphase (Meiosis)
20. 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 -
Follicular phase
Oogenesis
Cellular Division (Multicellular Organisms)
Asexual Reproduction
21. Regulates secondary male sex characteristics including facial and pubic hair and voice changes
Corona Radiata
Follicular phase
Testosterone
Spermatogenesis
22. Releases spores form the undersides of its leaves that develop into small heart-shaped gametophytes
Corpus Luteum
Artificial Vegetative Propagation
Sporophyte
Mature sperm
23. AKA lateral meristem -located between the xylem and phloem
Cellular Division (Multicellular Organisms)
Cell Plate
Cambium
Fission
24. Found in the tips of roots and stems where growth in length occurs
Apical Meristem
Flagellum
Second Meiotic Division
Corona Radiata
25. 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
Scrotum
Four Parts of Interphase
Dizygotic (Fraternal) Twins
Metaphase Plate (Interphase)
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
Partenogenesis
Oogenesis
Artificial Vegetative Propagation
Male Urethra
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
Estrogens
Meristems
Single Mature Egg
Angiosperms
28. After ovulation - LH induces the ruptured follicle to develop into the corpus luteum
Oocyte Cell Membrane
Mitosis
Luteal Phase
Sporophyte Generation
29. Pass from the testes through the vas deferens to the ejaculatory duct and then to the urethra
Sperm Travels...
Testes
Corona Radiata
Progesterone
30. Part of embryo that develops into the lower and root
Stamen
Seed Coat
Hypocotyl
Fertilization
31. Centriole pairs are now at opposite poles of the cell
Luteal Phase
Meiosis
Metaphase (Interphase)
Fertilization
32. Reproductive structure of angiosperms
Anaphase I
Flower
Follicle
Prophase I
33. 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
Chromatin
hCG (human Chorionic Gonadotrophin)
Tetrad
Sexual Reproduction in Animals
34. A means of reproduction
Mosses
Cellular Division (Unicellular Organisms)
Spermatogenesis
Cell Division
35. Part of embryo that is the precursor of the upper stem and leaves
epicotyl
Budding
Polar Body
Uterus
36. 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
Centromere
oviduct
Spore Formation
Cytokinesis
37. When a diploid sporophyte generation produces ahaploid (monoploid) spore by meiosis - spores divide by mitosis to produce the haploid - or gametophyte - generation
Vaginal Canal
Secondary Oocyte
Mitosis
Sporophyte Generation
38. Lower - narrow end of the uterus -connects with the vaginal canal
Menstrual Cycle
Urethra
Scrotum
Cervix
39. Some species of plants have flowers that contain only stamens and other flowers that contain only pistils
Ferns
Anaphase I
Hypocotyl
Sexual Reproduction in Angiosperms
40. 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
hCG (human Chorionic Gonadotrophin)
Fertilization membrane
Asexual Reproduction in Plants
Seed Coat
41. As in mitosis - the parent cell's chromosomes are replicated in the 2N number of sister chromatids
Stamen
Corona Radiata
Seed Coat
Interphase (Meiosis)
42. 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
Telophase I
Telophase (Interphase)
Dicots
Mature sperm
43. Part of embryo that develops from the outer covering of the ovule
Seed Coat
Uterus
Centromere
Filament
44. Female gonads that produce oocytes
Acrosomal Process
Ovaries
Corpus Luteum
Male Urethra
45. 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
Sexual Reproductive Mechanisms
Artificial Vegetative Propagation
Cytokinesis (Interphase)
Female Sex Hormones
46. Union of the egg and sperm nuclei to form a zygote with a diploid number of chromosomes
Sexual Reproductive Mechanisms
Hypocotyl
Fertilization
Male Urethra
47. Haploid gametophyte gneration produces gametes by mitosis -gametophytes reproduce sexually - whereas the sporophyte gneration reproduces asexually
Cambium
Spermatogenesis
Gametophyte Generation
Sporophyte Generation
48. Specialized cells with hard coverings that prevent loss of water
Spores
Tetrad
Filament
Monozygotic (identical) Twins
49. Union of gametes
Cytokinesis (Interphase)
Fertilization/Conjugation
Scrotum
Ovum
50. Cell division that follows karyokinesis
Artificial Vegetative Propagation
Sexual Reproductive Mechanisms
Cytokinesis
Stamen
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