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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. 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
Prophase I
Primary Spermatocytes
Ovulation
2. Stems running above and along the gorund - extending form the main stem -can produce new roots and upright stems
Testes
Cortical Reaction
Runners
Spermatogenesis
3. Regrowth of a lost or injured body part
Asexual Reproduction in Plants
Spermatozoa
Male Urethra
Regeneration
4. Part of embryo that is the precursor of the upper stem and leaves
Monozygotic (identical) Twins
Oocytes
Cellular Division (Unicellular Organisms)
epicotyl
5. The production of female gametes -occurs in the ovarian follicles
Metaphase Plate (Interphase)
Oogenesis
Anther
Chromatin
6. Reproductive structure of angiosperms
Flower
Corona Radiata
Head of Sperm
Telophase (Interphase)
7. 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
Stamen
Cytokinesis
Menstrual Cycle
Sexual Reproductive Mechanisms
8. 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
Endosperm
Sporophyte Generation
Cortical Reaction
Telophase (Interphase)
9. Split to form several bulbs
Primary Oocytes
Meristem Cells
Anaphase (Interphase)
Bulbs
10. Comlex process involving the formation and fertilization of gametes and regulation of these processes by bot parents
Centromere
Sexual Reproduction in Animals
Luteal Phase
Secondary Spermatocytes
11. Menstrual flow
Menses
Hermaphrodites
Anther
Second Meiotic Division
12. The process by which a cell doubles its organelles and cytoplasm - replicates its DNA - and then divides into two
Flower
Spermatogonia
Cell Division
Crossing Over
13. Undifferentiated tissues in plants
Meristems
Artificial Vegetative Propagation
Interphase (Meiosis)
Mature sperm
14. Pass from the testes through the vas deferens to the ejaculatory duct and then to the urethra
Fission
Budding
Sperm Travels...
Oocyte Cell Membrane
15. Chromatin condenses into chromosomes - the spindle apparatus forms - and the nucleoli and nuclear membrane disappear
Plant vs. Animal cells
Anther
Prophase I
Spermatogonia
16. Nuclear division and followed by cell division
Karyokinesis
Meristem Cells
Sexual Reproduction Requires
Spermatogonia
17. Union of gametes
Fertilization/Conjugation
Urethra
Gonads
Corona Radiata
18. Four haploid cells produced from the second meiotic division after secondary spermatocytes
Gonads
Spermatids
Menses
Oogenesis
19. Releases spores form the undersides of its leaves that develop into small heart-shaped gametophytes
Metaphase (Interphase)
Spermatozoa
Sporophyte
Centromere
20. Produced when one diploid primary female sex cell undergoes meiosis in the ovaries
Sexual Reproduction in Animals
Single Mature Egg
Oogenesis
Gametes
21. 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
Sexual Reproduction in Angiosperms
oviduct
Dicots
Fertilization membrane
22. 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
Vegetative Propagation
Follicle
Testosterone
Plant vs. Animal cells
23. Part of embry that are seed leaves
Cellular Division (Multicellular Organisms)
Cotyledons
Sexual Reproduction in Animals
Cellular Division (Unicellular Organisms)
24. AKA stolon -woody - underground stems -can develop new upright stems
Rhizomes
Spermatogenesis
Female Sex Hormones
Meristem Cells
25. Spore formation - vegetative propagation - and Artificial Vegetative Propagation
Spermatogenesis
Runners
Cellular Division (Multicellular Organisms)
Asexual Reproduction in Plants
26. 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
Cytokinesis
Internal Fertilization
Monocots
Menstruation
27. Male gonads - produce sperm in the tightly coiled seminiferous tubules
Luteal Phase
Uterus
Plant vs. Animal cells
Testes
28. Diploid cells of spermatogonia
Primary Spermatocytes
Menstrual Cycle
Scrotum
Tetrad
29. 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
Internal Fertilization
Spore Formation
Progesterone
Urethra
30. The development of an unfertilized egg into an adult organism
Filament
Partenogenesis
Meiosis
Menstruation
31. Uncoiled DNA
Mature sperm
Ovum
Chromatin
Filament
32. 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
Cellular Division (Multicellular Organisms)
Plant vs. Animal cells
Monozygotic (identical) Twins
Anaphase (Interphase)
33. 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
Budding
Apical Meristem
Prophase (Interphase)
34. Centriole pairs are now at opposite poles of the cell
Head of Sperm
Seed Coat
Metaphase (Interphase)
epicotyl
35. AKA sperm production -occurs in the seminiferous tubules
Ovulation
Spermatogenesis
Luteal Phase
Metaphase (Interphase)
36. Result when a single zygote splits into two embryos
Asexual Reproduction
Cervix
Sexual Reproductive Mechanisms
Monozygotic (identical) Twins
37. Undergoes disjunction
Cytokinesis
Anaphase I
Mature sperm
Monocots
38. Central region where - after replication - the chromosomes consist of two identical sister chromatids held together in interphase
Scrotum
Centromere
Embryo
Tubers
39. 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 -
Oogenesis
Fertilization/Conjugation
Filament
Asexual Reproduction
40. Mass of cells formed when the zygote divides
Embryo
Oocytes
Monozygotic (identical) Twins
Prophase I
41. Chromosomes condense - and the centriole pairs (in animals) separate and move towards the opposite poles of the cell. the spindle apparatus forms between them - and the nuclear membrane dissolves - allowing the spindle fibers to interact with the chr
Prophase (Interphase)
Partenogenesis
Hypocotyl
Spermatozoa
42. Sperm production -occurs in the seminiferous tubules
Disjunction
Cellular Division (Unicellular Organisms)
Asexual Reproduction
Spermatogenesis
43. Have both functional male and female gonads
Metaphase Plate (Interphase)
Cell Plate
Hermaphrodites
Budding
44. The production of female gametes - occurs in the ovaries
Oogenesis
Meristems
Four Parts of Interphase
Corona Radiata
45. (In Prophase I) each chromosome consists of two sister chromatids - each synaptic pair of homologous chromosomes containing four chromatids
Second Meiotic Division
Tetrad
Cotyledons
Immature ovum
46. Large cell containing most of the cytoplasm - RNA - organelles - and nutrients needed by a developing embryo
Polar Body
Mature Ovum
Dicots
Corona Radiata
47. Lower - narrow end of the uterus -connects with the vaginal canal
Metaphase I
Natural Vegatative Propagation
Regeneration
Cervix
48. The process by which gametes are produced -involves two divisions of primary sex cells resulting in four haploid cells called gametes
Meiosis
Spermatogenesis
Acrosomal Process
Testosterone
49. Homologous pairs (tetrads) align at the equatorial plane - and each pair attaches to a separate spindle fiber by its kinetochore
Acrosomal Process
Natural Vegatative Propagation
Metaphase I
Endosperm
50. Union of the egg and sperm nuclei to form a zygote with a diploid number of chromosomes
Corpus Luteum
Fertilization
Ovaries
Sexual Reproduction in Angiosperms