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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. Undergoes disjunction
Vegetative Propagation
Anaphase I
Oocyte Cell Membrane
Sperm Travels...
2. (In Prophase I) process where homologous chromosomes (chromosomes that code for the same traits - one inherited form each parent) come together and intertwine
Fertilization/Conjugation
Spermatids
Meristems
Synapsis
3. Pass from the testes through the vas deferens to the ejaculatory duct and then to the urethra
Sperm Travels...
Endosperm
Tetrad
Rhizomes
4. 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
Female Sex Hormones
Cell Plate
hCG (human Chorionic Gonadotrophin)
Acrosome
5. Nuclear membrane forms around each new nucleus -at this point - each chromosome still consists of sister chromatids joined at the centromere
Gametes
Telophase I
Plant vs. Animal cells
Oocytes
6. Contains elongated cell with head - tail - neck - and body
Mature sperm
Oocytes
Spermatogenesis
epicotyl
7. Part of embryo that is the precursor of the upper stem and leaves
Sexual Reproduction in Angiosperms
epicotyl
Endosperm
Meristems
8. 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
Tubers
Ovulation
Secondary Oocyte
Urethra
9. Daughter cells of unequal size produced from one primary oocyte per month completes meiosis I -expelled from the follicle during ovulation
Chromatin
Ovaries
Secondary Oocyte
Regeneration
10. 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
Hypocotyl
Sporophyte
Fertilization membrane
Tubers
11. AKA lateral meristem -located between the xylem and phloem
Gametes
Asexual Reproduction
Cambium
Filament
12. Undifferentiated tissues in plants
Spermatozoa
Vegetative Propagation
Meristems
Ovaries
13. 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
Spore Formation
Gonads
Monocots
14. 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
Centromere
Telophase (Interphase)
Internal Fertilization
Metaphase Plate (Interphase)
15. Two haploid cells yielded from meiotic division of primary spermatocytes
Cytokinesis
Secondary Spermatocytes
Sporophyte
Endosperm
16. Some species of plants have flowers that contain only stamens and other flowers that contain only pistils
Metaphase (Interphase)
Sexual Reproduction in Angiosperms
Interphase
Secondary Oocyte
17. Regrowth of a lost or injured body part
Regeneration
Metaphase (Interphase)
Cell Division
Vegetative Propagation
18. Releases spores form the undersides of its leaves that develop into small heart-shaped gametophytes
Telophase I
Rhizomes
Sporophyte
Corpus Luteum
19. Secretes estrogen and progesterone
Corpus Luteum
Menstrual Cycle
Follicle
Anaphase (Interphase)
20. Specialized cells with hard coverings that prevent loss of water
Spores
Cell Division
Dizygotic (Fraternal) Twins
Follicle
21. Haploid gametophyte gneration produces gametes by mitosis -gametophytes reproduce sexually - whereas the sporophyte gneration reproduces asexually
Dizygotic (Fraternal) Twins
Mature Ovum
Interphase (Meiosis)
Gametophyte Generation
22. Split to form several bulbs
Follicle
Bulbs
Karyokinesis
Endosperm
23. Have two cotyledons that absorb the endosperm
Asexual Reproduction
Spore Formation
Anaphase I
Dicots
24. 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
Head of Sperm
Asexual Reproduction
Runners
25. External pouch that maintains the testes' temperature at 2C-4C lower than body tmperature - a condition essential for sperm survival
Seed Coat
Sporophyte Generation
Second Meiotic Division
Scrotum
26. Produced when each meiotic division -rapidly degenerate
Metaphase (Interphase)
Hermaphrodites
Sperm Travels...
Polar Body
27. Specialized organs where gametes are produced
Gonads
Flower
Centromere
Female Sex Hormones
28. Part of embryo that develops into the lower and root
Tubers
Hypocotyl
Sporophyte
Ferns
29. Part of embryo that grows and feeds the embryo
Anaphase (Interphase)
Endosperm
Crossing Over
Metaphase (Interphase)
30. Tail of sperm -propels the sperm - whereas mitochondria in the neck and body provide energy the locomotion
Hypocotyl
Cell Plate
Mosses
Flagellum
31. (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
First Meiotic Division
Urethra
Primary Spermatocytes
32. When a diploid sporophyte generation produces ahaploid (monoploid) spore by meiosis - spores divide by mitosis to produce the haploid - or gametophyte - generation
Sporophyte Generation
Secondary Spermatocytes
Cytokinesis
Mature Ovum
33. Outer layer of oocyte cell membrane
Mosses
Corona Radiata
Cambium
Filament
34. Female gonads that produce oocytes
Gametophyte Generation
Ovaries
Mitosis
Cervix
35. Part of embry that are seed leaves
Cotyledons
Hermaphrodites
Flower
Plant vs. Animal cells
36. Found in the tips of roots and stems where growth in length occurs
Apical Meristem
Spermatogenesis
Corpus Luteum
Oogenesis
37. Muscular chamber which is the site of fetal development
Apical Meristem
Corpus Luteum
Uterus
Tubers
38. Bulbs - tubers - runners - rhizomes
Female Sex Hormones
Natural Vegatative Propagation
Secondary Spermatocytes
Meristem Cells
39. Thin and stalk like with a terminal sac called the anther
hCG (human Chorionic Gonadotrophin)
Head of Sperm
Filament
Ferns
40. Consists almost entirely of the nucleus - which contains the paternal genome
Luteal Phase
Head of Sperm
Second Meiotic Division
Acrosomal Process
41. Eggs
Four Parts of Interphase
Oocytes
Sporophyte Generation
Spore Formation
42. The production of female gametes - occurs in the ovaries
Fertilization membrane
Single Mature Egg
Secondary Spermatocytes
Oogenesis
43. Triggered by acrosomal reaction causing calcium ions to be released into the cytoplasm
Cortical Reaction
Cell Plate
Filament
Endosperm
44. Occurs in vertebrates that reproduce in water (fish and amphibians) -female lays eggs in water and male deposits sperm in the vicinity -lack of direct passage of sperm from male to female reduces chances of fertilization considerably
Meristem Cells
epicotyl
Centromere
External Fertilization
45. 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
Internal Fertilization
Metaphase I
Ovulation
Meisosis vs. Mitosis
46. Reproductive structure of angiosperms
Flower
Sexual Reproduction in Angiosperms
Second Meiotic Division
Oogenesis
47. The production of female gametes -occurs in the ovarian follicles
Cellular Division (Unicellular Organisms)
oviduct
Male Urethra
Oogenesis
48. Simple form of asexual reproduction seen in prokaryotic organisms -DNA replicates and a new plasma membrane and cell wall grow inward along the midline of the cell - dividing it into two equally size cells with equal maounts of cytoplasm - each conta
Fission
Runners
Tetrad
Budding
49. Result when a single zygote splits into two embryos
Monozygotic (identical) Twins
Gametophyte Generation
Embryo
Spermatozoa
50. The site of sperm deposition during intercourse and is also the passageway through which a baby is expelled during childbirth
Fertilization membrane
Luteal Phase
Vaginal Canal
Acrosome