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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. Underground stems with bubs - like the eyes of potatoes - that can develop into adult plants
Testes
Tubers
Asexual Reproduction in Plants
Immature ovum
2. Method of growth - development - and replacement of worn-out cells
Cellular Division (Multicellular Organisms)
Metaphase I
Testes
Oocyte Cell Membrane
3. Uncoiled DNA
Chromatin
Cambium
Spermatozoa
Head of Sperm
4. 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
Mitosis
Cellular Division (Unicellular Organisms)
Artificial Vegetative Propagation
Hypocotyl
5. Four haploid cells produced from the second meiotic division after secondary spermatocytes
Centromere
Four Parts of Interphase
Spermatids
Polar Body
6. 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
Seed Coat
Scrotum
Mature Ovum
Vegetative Propagation
7. (In Prophase I) process where homologous chromosomes (chromosomes that code for the same traits - one inherited form each parent) come together and intertwine
Testosterone
Cervix
Synapsis
Sexual Reproduction in Animals
8. Specialized sex cells
Gametes
Polar Body
Menses
Crossing Over
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
Disjunction
oviduct
Gametophyte Generation
10. The production of female gametes -occurs in the ovarian follicles
External Fertilization
Vegetative Propagation
Ovum
Oogenesis
11. Result when two ova are released in one ovarian cycle and are fertilized by two different sperm
Dizygotic (Fraternal) Twins
Tubers
Metaphase Plate (Interphase)
Anther
12. Common passageway for both the reproductive and exretory systems
Hermaphrodites
Male Urethra
Corpus Luteum
Partenogenesis
13. Produces monoploid spores that develop into pollen grains
Anther
Mosses
Sexual Reproductive Mechanisms
Embryo
14. 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
Gametophyte Generation
Interphase
Menstruation
hCG (human Chorionic Gonadotrophin)
15. Nuclear membrane forms around each new nucleus -at this point - each chromosome still consists of sister chromatids joined at the centromere
Telophase I
Crossing Over
Primary Spermatocytes
Luteal Phase
16. Triggered by acrosomal reaction causing calcium ions to be released into the cytoplasm
Cell Plate
Metaphase (Interphase)
Cortical Reaction
Estrogens
17. Male gonads - produce sperm in the tightly coiled seminiferous tubules
Telophase I
Karyokinesis
Primary Oocytes
Testes
18. Nuclear division and followed by cell division
Karyokinesis
Spermatozoa
Seed Coat
Ferns
19. Mass of cells formed when the zygote divides
Sexual Reproduction Requires
Embryo
Crossing Over
Bulbs
20. Reproductive structure of angiosperms
Oocytes
Flower
Vaginal Canal
Metaphase Plate (Interphase)
21. 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
Four Parts of Interphase
Meristem Cells
Oocytes
22. Split to form several bulbs
Bulbs
Fertilization membrane
Meisosis vs. Mitosis
Partenogenesis
23. Have one cotyledon
Monocots
Polar Body
Primary Oocytes
Disjunction
24. Union of gametes
Fission
Corona Radiata
Second Meiotic Division
Fertilization/Conjugation
25. Undergoes disjunction
Anaphase I
Fertilization membrane
Tetrad
Single Mature Egg
26. 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
Oocyte Cell Membrane
Fertilization membrane
Telophase (Interphase)
Cotyledons
27. Produces two intermediate daughter cells with N chromosomes with sister chromatids
First Meiotic Division
Oocytes
Asexual Reproduction in Plants
Anaphase (Interphase)
28. 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
Angiosperms
Corona Radiata
Corpus Luteum
Ovum
29. AKA stolon -woody - underground stems -can develop new upright stems
Rhizomes
hCG (human Chorionic Gonadotrophin)
Tubers
Tetrad
30. The site of sperm deposition during intercourse and is also the passageway through which a baby is expelled during childbirth
Spermatogenesis
Vaginal Canal
oviduct
Immature ovum
31. Have both functional male and female gonads
Fertilization membrane
Hermaphrodites
Follicular phase
Ferns
32. The process by which gametes are produced -involves two divisions of primary sex cells resulting in four haploid cells called gametes
Fertilization membrane
Natural Vegatative Propagation
Sexual Reproduction Requires
Meiosis
33. 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
Scrotum
Sexual Reproduction in Angiosperms
Telophase (Interphase)
Corona Radiata
34. Bulbs - tubers - runners - rhizomes
Meristems
Rhizomes
Natural Vegatative Propagation
Male Urethra
35. Sperm production -occurs in the seminiferous tubules
Progesterone
Sexual Reproduction in Animals
Spermatogenesis
Male Urethra
36. Produced when each meiotic division -rapidly degenerate
Budding
Dizygotic (Fraternal) Twins
Ovaries
Polar Body
37. Fibers of the spindle apparatus attach to each chromatid at the centromere to align the chromosomes at the center of the cell (equator)
Hermaphrodites
Sexual Reproduction in Angiosperms
Metaphase Plate (Interphase)
Sexual Reproduction in Animals
38. Found in the abdominal cavity - below the digestive system -consist of thousands of follicles
Ovaries
Ovulation
Immature ovum
Female Sex Hormones
39. 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
Oogenesis
Oogenesis
Mitosis
Fertilization
40. After ovulation - LH induces the ruptured follicle to develop into the corpus luteum
Gonads
Luteal Phase
Telophase (Interphase)
Artificial Vegetative Propagation
41. Located on scrotum -site for testosterone
Meristems
Sporophyte Generation
Testes
Vaginal Canal
42. Pass from the testes through the vas deferens to the ejaculatory duct and then to the urethra
Gonads
Natural Vegatative Propagation
Sperm Travels...
Ovulation
43. 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
Metaphase I
Cortical Reaction
Cytokinesis (Interphase)
Mature sperm
44. Have two cotyledons that absorb the endosperm
Cambium
Dicots
Menstruation
Synapsis
45. Flowering plants consisting of a few cells that exist for a very short time
Sporophyte Generation
Sexual Reproduction in Animals
Spermatogenesis
Angiosperms
46. Spore formation - vegetative propagation - and Artificial Vegetative Propagation
Asexual Reproduction in Plants
Metaphase Plate (Interphase)
Fission
Primary Oocytes
47. (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
Karyokinesis
Crossing Over
Metaphase (Interphase)
Hypocotyl
48. Expanding partition that grows outward from the interior of the cell until it reaches the cell membrane
Vaginal Canal
Tetrad
Cell Plate
Monozygotic (identical) Twins
49. The male organ of the flower and consists of a thin - stalk-like filament
Stamen
hCG (human Chorionic Gonadotrophin)
Female Sex Hormones
Sporophyte Generation
50. Muscular chamber which is the site of fetal development
Uterus
Endosperm
Follicular phase
Hermaphrodites