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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. Mass of cells formed when the zygote divides
Telophase (Interphase)
Bulbs
Fertilization
Embryo
2. Specialized organs where gametes are produced
Gonads
Acrosome
Anaphase I
Mosses
3. AKA lateral meristem -located between the xylem and phloem
Prophase (Interphase)
Meisosis vs. Mitosis
Cambium
Ovaries
4. (In Prophase I) process where homologous chromosomes (chromosomes that code for the same traits - one inherited form each parent) come together and intertwine
Tubers
Cellular Division (Multicellular Organisms)
Synapsis
Tetrad
5. Produces two intermediate daughter cells with N chromosomes with sister chromatids
Cambium
First Meiotic Division
Spermatogenesis
Anther
6. Four haploid cells produced from the second meiotic division after secondary spermatocytes
Asexual Reproduction
Spermatids
Urethra
Rhizomes
7. Ex: estrogens and progesterone -synthesized by ovaries
Female Sex Hormones
Metaphase Plate (Interphase)
Chromatin
hCG (human Chorionic Gonadotrophin)
8. 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
Corona Radiata
Cell Plate
Menstrual Cycle
Prophase (Interphase)
9. Multilayered sac of cells that contains - nourishes - and protects an immature ovum -produce estrogen
Head of Sperm
Follicle
hCG (human Chorionic Gonadotrophin)
Testes
10. After ovulation - LH induces the ruptured follicle to develop into the corpus luteum
Luteal Phase
Mitosis
Mature sperm
Secondary Spermatocytes
11. Found in the abdominal cavity - below the digestive system -consist of thousands of follicles
Disjunction
Ovaries
Luteal Phase
Testosterone
12. Released from the ovary into the abdominal cavity and drawn into the nearby oviduct
Immature ovum
Anaphase (Interphase)
Primary Oocytes
Cytokinesis (Interphase)
13. Spore formation - vegetative propagation - and Artificial Vegetative Propagation
Synapsis
Female Sex Hormones
Menstrual Cycle
Asexual Reproduction in Plants
14. 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
Spore Formation
Ovaries
Endosperm
Cellular Division (Multicellular Organisms)
15. Plant cells lack centrioles -spindle apparatus is synthesized by mcrotubule organizing centers that are not visible -cytokinesis in animal cells proceeds through production of a cleavage furrow -Plant cells are rigid and can't form cleavage furrows -
Synapsis
Ovaries
Plant vs. Animal cells
Embryo
16. Haploid gametophyte gneration produces gametes by mitosis -gametophytes reproduce sexually - whereas the sporophyte gneration reproduces asexually
Secondary Oocyte
Gametophyte Generation
Cytokinesis
External Fertilization
17. (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
Monozygotic (identical) Twins
Zona Pellucida
Internal Fertilization
Crossing Over
18. When a diploid sporophyte generation produces ahaploid (monoploid) spore by meiosis - spores divide by mitosis to produce the haploid - or gametophyte - generation
Oocytes
Progesterone
Synapsis
Sporophyte Generation
19. The development of an unfertilized egg into an adult organism
Ovaries
Scrotum
Corona Radiata
Partenogenesis
20. Uncoiled DNA
Vaginal Canal
Metaphase (Interphase)
Natural Vegatative Propagation
Chromatin
21. Surrounded by two layers of cells
Single Mature Egg
Oocyte Cell Membrane
Sporophyte Generation
Follicle
22. Comlex process involving the formation and fertilization of gametes and regulation of these processes by bot parents
Menstrual Cycle
Artificial Vegetative Propagation
Sexual Reproduction in Animals
Sexual Reproduction Requires
23. Part of embry that are seed leaves
Spermatozoa
Cotyledons
Filament
Immature ovum
24. 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
Acrosome
Polar Body
Corona Radiata
Male Urethra
25. 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
hCG (human Chorionic Gonadotrophin)
Immature ovum
Chromatin
Anaphase I
26. Inner layer of oocyte cell membrane
Zona Pellucida
Cytokinesis
Metaphase (Interphase)
Anaphase I
27. Daughter cells of unequal size produced from one primary oocyte per month completes meiosis I -expelled from the follicle during ovulation
Ferns
Scrotum
Secondary Oocyte
Sexual Reproduction in Animals
28. Menstrual flow
Vaginal Canal
Menses
Testosterone
Polar Body
29. Part of embryo that grows and feeds the embryo
Metaphase Plate (Interphase)
Spore Formation
Chromatin
Endosperm
30. Specialized cells with hard coverings that prevent loss of water
Prophase (Interphase)
Regeneration
Cortical Reaction
Spores
31. 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 -
Metaphase Plate (Interphase)
Bulbs
Asexual Reproduction
Secondary Oocyte
32. Underground stems with bubs - like the eyes of potatoes - that can develop into adult plants
Rhizomes
Luteal Phase
Tubers
Endosperm
33. Expanding partition that grows outward from the interior of the cell until it reaches the cell membrane
Apical Meristem
Sporophyte Generation
Scrotum
Cell Plate
34. 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
Corona Radiata
Sexual Reproduction in Angiosperms
External Fertilization
Immature ovum
35. 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
Estrogens
Ferns
Meristems
Menstruation
36. Produced when each meiotic division -rapidly degenerate
Synapsis
Metaphase (Interphase)
Ovulation
Polar Body
37. A means of reproduction
Telophase I
Cotyledons
Cellular Division (Unicellular Organisms)
Interphase
38. 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
Anther
Interphase (Meiosis)
Cell Plate
Fission
39. Nuclear division and followed by cell division
Sexual Reproduction in Angiosperms
Menstruation
Karyokinesis
Anther
40. Production of functional sex cells by adult organisms -fertilization forms a zygote -development of the zygote into another adult - completing the cycle
Sexual Reproduction Requires
Spermatozoa
Single Mature Egg
Asexual Reproduction in Plants
41. AKA ovanan or fallopian tube -opens into the upper end of the uterus
oviduct
Asexual Reproduction in Plants
Tubers
Sporophyte Generation
42. Centriole pairs are now at opposite poles of the cell
Meiosis
Follicular phase
Metaphase (Interphase)
Natural Vegatative Propagation
43. Muscular chamber which is the site of fetal development
Testes
Corona Radiata
Uterus
Vaginal Canal
44. 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
Cervix
Asexual Reproduction in Plants
Internal Fertilization
45. Eggs
Ovum
Oocytes
External Fertilization
Anaphase (Interphase)
46. Female gonads that produce oocytes
Spermatids
Menstruation
Ovaries
Seed Coat
47. 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
Hypocotyl
Fertilization
Vaginal Canal
Metaphase I
48. 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
Anaphase (Interphase)
Interphase (Meiosis)
Fertilization
Internal Fertilization
49. 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
Female Sex Hormones
Rhizomes
External Fertilization
Interphase
50. Sperm production -occurs in the seminiferous tubules
Zona Pellucida
Spermatogenesis
Male Urethra
Ferns