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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. AKA lateral meristem -located between the xylem and phloem
Meristem Cells
Cortical Reaction
Cambium
Monozygotic (identical) Twins
2. 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
Metaphase Plate (Interphase)
Natural Vegatative Propagation
Meristem Cells
Interphase
3. The development of an unfertilized egg into an adult organism
Regeneration
Telophase I
Fertilization
Partenogenesis
4. Comlex process involving the formation and fertilization of gametes and regulation of these processes by bot parents
Sexual Reproduction in Animals
Spermatogenesis
Secondary Spermatocytes
Corona Radiata
5. Found in the tips of roots and stems where growth in length occurs
Apical Meristem
Menses
oviduct
Metaphase (Interphase)
6. Produces two intermediate daughter cells with N chromosomes with sister chromatids
Spore Formation
Runners
Sexual Reproduction Requires
First Meiotic Division
7. Union of the egg and sperm nuclei to form a zygote with a diploid number of chromosomes
Internal Fertilization
Sporophyte
Fertilization
Menses
8. 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
Spermatogenesis
Chromatin
Corona Radiata
Fission
9. Spore formation - vegetative propagation - and Artificial Vegetative Propagation
Oogenesis
Asexual Reproduction in Plants
Sporophyte
hCG (human Chorionic Gonadotrophin)
10. 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
Cellular Division (Multicellular Organisms)
Follicular phase
hCG (human Chorionic Gonadotrophin)
Ovaries
11. External pouch that maintains the testes' temperature at 2C-4C lower than body tmperature - a condition essential for sperm survival
Scrotum
Menstruation
Follicular phase
Fertilization/Conjugation
12. (In Prophase I) each chromosome consists of two sister chromatids - each synaptic pair of homologous chromosomes containing four chromatids
Anaphase I
Metaphase Plate (Interphase)
Mature sperm
Tetrad
13. AKA stolon -woody - underground stems -can develop new upright stems
Corona Radiata
Second Meiotic Division
Prophase (Interphase)
Rhizomes
14. After ovulation - LH induces the ruptured follicle to develop into the corpus luteum
Luteal Phase
Fertilization
Internal Fertilization
Primary Oocytes
15. Undergoes disjunction
Anaphase I
Cortical Reaction
Acrosome
Vegetative Propagation
16. Tail of sperm -propels the sperm - whereas mitochondria in the neck and body provide energy the locomotion
Flagellum
Cytokinesis (Interphase)
Follicular phase
Spermatogenesis
17. Result when two ova are released in one ovarian cycle and are fertilized by two different sperm
Vegetative Propagation
Dizygotic (Fraternal) Twins
Metaphase I
Regeneration
18. AKA sperm production -occurs in the seminiferous tubules
Spermatogenesis
Oocyte Cell Membrane
Menses
Scrotum
19. Lower - narrow end of the uterus -connects with the vaginal canal
Estrogens
Fission
Cervix
Anther
20. The production of female gametes - occurs in the ovaries
Budding
Oogenesis
Luteal Phase
Prophase (Interphase)
21. Large cell containing most of the cytoplasm - RNA - organelles - and nutrients needed by a developing embryo
Disjunction
Mature Ovum
Single Mature Egg
Sexual Reproduction in Animals
22. 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 (Interphase)
Acrosome
Apical Meristem
Cell Division
23. Contains elongated cell with head - tail - neck - and body
Zona Pellucida
Male Urethra
Tetrad
Mature sperm
24. Bulbs - tubers - runners - rhizomes
Cell Division
Corona Radiata
Natural Vegatative Propagation
Fission
25. Fibers of the spindle apparatus attach to each chromatid at the centromere to align the chromosomes at the center of the cell (equator)
Metaphase Plate (Interphase)
Single Mature Egg
Telophase I
Gonads
26. Replication of the nucleus followed by unequal cytokinesis -membrane pinches inward to forma new cell that is smaller in size but genetically identical to the parent cell
Budding
Synapsis
Crossing Over
Regeneration
27. The male organ of the flower and consists of a thin - stalk-like filament
Mosses
Meisosis vs. Mitosis
Stamen
Primary Oocytes
28. 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
Internal Fertilization
Cytokinesis (Interphase)
Fertilization
Cotyledons
29. Passes through the penis and opens to the outside at its tip
Urethra
Fertilization
First Meiotic Division
Gametophyte Generation
30. 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
Cortical Reaction
Gonads
Menstruation
Fertilization membrane
31. Sperm production -occurs in the seminiferous tubules
Uterus
Prophase (Interphase)
Spermatogenesis
Cellular Division (Unicellular Organisms)
32. Found in the abdominal cavity - below the digestive system -consist of thousands of follicles
Scrotum
Ovaries
Monozygotic (identical) Twins
Cervix
33. Immature ova -all that a female will produce during her lifetime are already in her ovaries at birth
Primary Oocytes
Spores
Sperm Travels...
Zona Pellucida
34. Produced when each meiotic division -rapidly degenerate
Four Parts of Interphase
Polar Body
Corona Radiata
Spermatogonia
35. Eggs
Single Mature Egg
Oocytes
Cell Division
Monocots
36. AKA ovanan or fallopian tube -opens into the upper end of the uterus
Ovaries
Meisosis vs. Mitosis
oviduct
Testes
37. Specialized sex cells
Endosperm
Gametes
Anther
Centromere
38. Have one cotyledon
Budding
Centromere
Monocots
Meisosis vs. Mitosis
39. Part of embryo that grows and feeds the embryo
Testes
Gonads
Sexual Reproduction in Animals
Endosperm
40. Thin and stalk like with a terminal sac called the anther
Cellular Division (Multicellular Organisms)
Filament
Menstrual Cycle
Four Parts of Interphase
41. Similar to mitosis in that a cell duplicates its chromosomes before undergoing the process -whereas mitosis preserves the diploid number of the cell - meiosis produces the haploid (1N) number - having the number of chromosomes
Meisosis vs. Mitosis
Corpus Luteum
External Fertilization
Fission
42. Ex: estrogens and progesterone -synthesized by ovaries
Single Mature Egg
Female Sex Hormones
Telophase I
Metaphase Plate (Interphase)
43. Undifferentiated tissues in plants
Mitosis
Interphase
Meristems
Seed Coat
44. Produced when one diploid primary female sex cell undergoes meiosis in the ovaries
Hypocotyl
Cambium
Single Mature Egg
Filament
45. 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
Oocytes
Oocyte Cell Membrane
Prophase (Interphase)
Sexual Reproduction Requires
46. Secretes estrogen and progesterone
Uterus
Corona Radiata
Corpus Luteum
Follicular phase
47. Part of embryo that is the precursor of the upper stem and leaves
epicotyl
Natural Vegatative Propagation
Meisosis vs. Mitosis
Female Sex Hormones
48. 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
Follicular phase
Asexual Reproduction in Plants
Ovum
49. 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
Corpus Luteum
Menstrual Cycle
Sporophyte
Spore Formation
50. 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
Corona Radiata
Regeneration
Artificial Vegetative Propagation
Mitosis
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