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1. Which framework is correctly paired v its function?A)B)C)D)ovary – offers milk because that newbornstestis – advance of spermplacenta – warehouse of released eggsuterus – produces estrogen4. Base your answer come the complying with question on on thepicture listed below which represents systems in a human being maleand on your knowledge of biology.2. Base her answer come the following question ~ above thediagram below and also on your understanding of biology. Theletters in the diagram indicate structures current in ahuman male.Which structure has actually both reproductive andexcretory functions?A) AWhat adjust would occur instantly if both structureslabeled B were damaged or blocked?A) structure A would decrease in size.B) The blood supply to structure E would certainly decrease.C) Gametes would no longer be transported to structureC.D) structure D would be able to deliver more gametes.B) GC) CD) D5. The data in the table listed below indicate the existence ofspecific reproductive hormone in blood samples takenfrom 3 individuals. One X in the hormone columnindicates a optimistic lab test for the appropriate levelsnecessary for regular reproductive to work in thatindividual.3. The diagram below represents a device in the humanbody.Which processes can occur in separation, personal, instance 3?A)B)C)D)The primary role of structure X is toA)B)C)D)produce energy needed because that sperm to moveprovide food because that the sperm to carry to the eggproduce and also store urineform gametes that may be affiliated in fertilizationproduction the sperm, onlyproduction that sperm and also production of eggsproduction the eggs and also embryonic developmentproduction that eggs, only6. I m sorry diagram finest represents part of the procedure ofsperm formation in an biology that has actually a normalchromosome number of eight?A)B)C)D)Base your answers to concerns 7 and 8 ~ above the diagrambelow and also on your expertise of biology. The diagramrepresents the human female reproductive system.7. The placenta creates from the mix of fetal tissueand tissue from structureA) AB) BC) CD) D8. Framework A generally producesA)B)C)D)sperm and eggstestosterone and also eggsestrogen, progesterone, and eggsestrogen, progesterone, and testosterone9. Base her answer to the complying with question top top the diagram below and on your expertise of biology. Thediagram to represent the reproductive equipment of the person female and male.In i m sorry structure carry out gametes usually unite to produce a zygote?A) AB) GC) C10. The person female reproductive mechanism is representedin the diagram below.D) F12. I m sorry statement ideal describes the relationshipbetween the blood that a human fetus and also the blood ofthe mother?A) their blood systems are separate just at certaintimes in advancement and associated at othertimes.B) The blood flows directly from the mother into thefetus.C) their blood systems room separate and no materialsare exchanged.D) their blood systems space separate, but certainmaterials pass from one come the other.Production that gametes and support of the fetusnormally occur in structuresA) 1 and also 2C) 3 and also 5B) 2 and 4D) 4 and 511. Which framework is properly paired v its function?A) testis — produces nutrients for the offspringB) placenta — allows nutrients to diffuse from themother come the embryoC) uterus — produces testosterone offered in eggproductionD) ovary — provides a ar for the internaldevelopment of the embryo13. What is the human being female reproductive mechanism adaptedfor?A)B)C)D)production that zygotes in ovariesexternal fertilization the gametesproduction that milk because that a occurring embryotransport the oxygen through a placenta to a fetus14. Removal of one ovary from a human female wouldmost likelyA)B)C)D)affect the production of eggsmake fertilization impossiblemake transferring a fetus impossibledecrease her ability to carry out essential nutrientsto an embryo15. Which succession represents the normal order of eventsthat occur throughout the term cycle?A) menstruation ® ovulation ® corpus luteum ®follicle stageB) follicle stage ® ovulation ® corpus luteum ®menstruationC) ovulation ® follicle phase ® corpus luteum ®menstruationD) follicle phase ® menstruation ® corpus luteum ®ovulation16. Some chemical interaction in a human are displayed inthe graph below.19. It is defined by a yellow-bodied framework thatsecretes the hormone progesterone.A) 1B) 2C) 3D) 420. The human being menstrual bicycle is managed by hormonesproduced and also secreted through theA)B)C)D)ovaries, onlyuterus, onlypituitary gland and also ovariespituitary gland and uterus21. In a human female, what is the most direct result of thepresence that the hormone FSH?A)B)C)D)production that the corpus luteumdevelopment of the ovarian folliclebreakdown of the uterine liningdisintegration the the ovum22. The material that operation from the human being femalereproductive tract throughout menstruation is created bythe break down of the lining that theA) ovaryC) vaginaThis graph represents hormones and also events in theA) process of fetal growth and also developmentB) process of meiotic cell division during spermdevelopmentC) reproductive bike of malesD) reproductive bicycle of femalesB) oviductD) uterus23. Base your answer to the adhering to question on thediagram below, which to represent a necessary part ofhuman reproduction.Base your answers to questions 17 v 19 on thestage that the person menstrual cycle, preferred from the listbelow, that is most closely associated with thatstatement.Stages the the person Menstrual Cycle(1) Follicle(2) Ovulation(3) corpus luteum(4) Menstruation17. It usually will not occur if a zygote is formed during thecycle.A) 1B) 2C) 3D) 418. A maturation egg is released.A) 1B) 2C) 3D) 4Estrogen stimulates the production of added bloodvessels in structureA) 1B) 2C) 5D) 724. Base your answer to the complying with question on thediagram listed below which to represent structures uncovered in afemale mammal"s reproductive system and someprocesses which can occur within that system.27. I m sorry hormone maintains the uterine lining afterovulation?A) 1B) 2C) 3D) 428. The routine shedding that the uterine lining usuallytakes placeA)B)C)D)after menopauseduring pregnancyif fertilization does not occurbefore the start of puberty29. The woman sex hormone estrogen and progesteroneare created in theA) uterusC) ovariesThe process by which the structure labeled B is releasedfrom the structure labeled A is well-known asA) differentiationC) gastrulationB) ovulationD) germinationBase your answers to questions 25 through 27 top top thediagram below and on your expertise of biology. Thearrows in the diagram present the interrelationshipsbetween the hormones and the structures connected in themenstrual cycle. Particular hormones are indicated bynumbers.B) umbilical cordD) pituitary gland30. A large number that sperm cells are developed by malesevery day. This large number of sperm cell increasesthe chance thatA) at the very least one sperm cell will be reached once theeggs swim toward the sperm cells in the ovaryB) several sperm cells will unite through an egg so thefertilized egg will build properlyC) several of the sperm cell will endure to with theeggD) sufficient sperm cells will be current to transport theegg from where it is created to whereby it developsinto a fetus31. I m sorry diagram finest illustrates an event in sexualreproduction that would most directly lead come theformation the a person embryo?A)B)C)D)25. I beg your pardon hormone most directly influences the corpusluteum phase of the menstrual cycle?A) 1B) 2C) 3D) 426. Which hormone most straight promotes the maturationof the egg?A) 1B) 2C) 3D) 432. I m sorry statement about the gametes represented in thediagram listed below is correct?35. Which approaches are occasionally used to aid a womanwho has blocked fallopian tubes have actually a child?A)B)C)D)inbreeding and natural selectionin vitro fertilization and implantationhybridization and also vegetative propagationsynapsis and artificial selection36. The significant function of the placenta is toA)B)C)D)They are developed by females.They are fertilized in one ovary.They transport hereditary material.They are created by mitosis.33. Person egg cells room most similar to person sperm cellsin theirA)B)C)D)method that movementamount of save foodchromosome numbershape and size34. Base your answer to the adhering to question top top thediagram below, which suggests an event in humanreproduction.A) cushion the fetus so that won"t it is in hurt when themother movesB) exchange food, oxygen, and waste in between motherand fetusC) save food because that the fetusD) support the egg for the process of fertilization37. Exposure to toxins throughout early step of pregnancy ismore most likely to cause birth defects than exposure in latepregnancy becauseA) necessary organs kind during early developmentB) the uterus provides much more protection in latepregnancyC) the placenta forms during late pregnancyD) meiosis occurs rapidly during early development38. A pathogen passing indigenous a mommy to her fetus couldcauseA)B)C)D)a to decrease in the chromosome number of the fetusan rise in milk manufacturing in the mothergamete manufacturing to increasean epidemic in the fetus39. Which sequence represents the stimulate of some events inhuman development?A)B)C)D)fertilized egg spermtissueseggfetustissuesfertilized egg eggfertilized eggtissuesorgansfetusspermfertilized eggorganstissues40. Which procedure normally occurs at the placenta?In humans, which process would typically not occurwithin the an initial two month after the completion of theprocess argued in the diagram?A) mitosisC) menstruationB) implantationD) differentiationA) Oxygen diffuses native fetal blood come maternalblood.B) materials are exchanged between fetal andmaternal blood.C) Maternal blood is converted right into fetal blood.D) cradle enzymes pass from maternal blood tofetal blood.41. Within which structure in the human being body doesspecialization of components of the developing baby takeplace?A) ovaryC) testis44. The advance of an embryo is represented in thediagram below.B) uterusD) pancreas42. The skin of a human establishes from one embryonic layerknown together theA) endodermC) meristemB) mesodermD) ectoderm43. Base her answer to the adhering to question top top thediagram below, which represents a person embryodeveloping in the uterus, and on your knowledge ofbiology.These transforms in the type of the embryo room a directresult ofA)B)C)D)uncontrolled cell division and mutationsdifferentiation and also growthantibodies and antigens inherited native the fathermeiosis and fertilization45. Part stages in the development of an separation, personal, instance arelisted below.Structure 3 to represent theA) membrane the protects the embryo frommechanical shockB) website of exchange of materials between the motherand the fetusC) website where the female gametes experience meiosisduring maturationD) structure that stores yolk because that the occurring fetus(A) differentiation of cells into tissues(B) fertilization that egg through sperm(C) organ development(D) mitotic cell division of zygoteWhich sequence represents the correct order of thesestages?A) A–B–C–DC) D–B–C–AB) B–C–A–DD) B–D–A–C46. Base your answer come the complying with question top top thediagrams below and also on your expertise of biology.Which diagram mirrors the an initial appearance the thedistinct great of cells the will type the muscular,skeletal, and circulatory systems?A) 11B) 8C) 6D) 447. Different embryonic class of tissue kind during theprocess ofA) fertilizationC) cleavageB) birthD) gastrulation48. Base your answer to the adhering to question onthe graph below and on your expertise of biology. Thegraph represents alters in the mass of a fetus fromweek 8 to its bear at week 43.During i m sorry five-week duration did the fetal massincrease at the greatest rate?A) weeks 10–15C) main 25–30B) mainly 15–20D) weeks 30–35Base your answers to inquiries 49 and 50 on the passage below and also on your knowledge of biology.Hormonal levels Predict premature birth BirthsSome researchers state that the level of a certain hormone present in the bloodstream ofa pregnant woman might be used to predict whether bear will occur prematurely, on time, orlate. Throughout a study including 485 pregnant women, the level the corticotrophin-releasinghormone (CRH) to be measured during weeks 16 through 20 of the normal 40-week gestationperiod. A comparison of these hormone levels to time of birth indicated that ladies whodelivered prematurely (less than 37 weeks) had an mean of 3.6 times an ext CRH than thosewho provided birth ~ above time.CRH, a hormone created by the hypothalamus, aids in regulation the secretion ofhormones developed by the adrenal glands. CRH is additionally secreted through the placenta. Cheap ofCRH through the placenta usually begins early in the 2nd trimester (three months) ofpregnancy. The level proceeds to increase dramatically as the delivery day approaches. Formost of the pregnancy, one more protein molecule binds to CRH, prevent its action.Researchers imply that when CRH levels rise high sufficient to against the blockingprotein, labor begins.The placenta has actually a regulatory duty over the tasks in the human body of the mother duringpregnancy. Secretions of placental estrogen and also progesterone start after the first couple of weeks,and indigenous the third to the 9th month, the placenta gives these hormone at the levelsnecessary to keep pregnancy. Progesterone inhibits the uterine contractions essential fordelivery. It has been suggested that cortisol, an adrenal hormone released by the fetus,overcomes the inhibiting results of progesterone as the level that progesterone drops towards theend of gestation. Also at this time, oxytocin, a hormone synthesized by the hypothalamus ofthe mother, is released, stimulating uterine contractions and the beginning of labor.Although it is still not known whether CRH identify the size of pregnancy,researchers mean that experiment to reduced CRH level to protect against premature labor space notfar off.49. The relax of cortisol by the adrenal gland that the fetus causesA)B)C)D)a to decrease in CRH levels in the blood the the mothera to decrease in the inhibiting results of progesteronecontractions of the oviductsthe cheap of progesterone50. Which frameworks play a duty in initiating the birth procedure at the end of the gestation period?A) amnion and also uterusC) oviduct and also umbilical cordB) hypothalamus and also placentaD) adrenal glands and yolk sac