Last person standing……. REPRODUCTION

Question #1 One function of the male reproductive system in mammals is to a. produce insulin necessary for sexual reproduction b. transport eggs necessary for fertilization c. allow for delivery of gametes needed for reproduction d. provide protection for the developing zygote

ANSWER C

Question #2 Which structure is correctly paired with its function? a. ovary – provides milk for newborns b. testis – development of sperm c. placenta – storage of released eggs d. uterus – produces estrogen

ANSWER b

Question #3 The reproductive system of a male mammal provides a. support for the internal development of the embryo b. materials through the placenta c. a means for the delivery of gametes d. the ovaries for gamete production

ANSWER C

Question #4 The diagram below represents a human reproductive system. Meiosis occurs within structure a. A b. B c. C d. D

ANSWER d

Question #5 Which diagram best represents part of the process of sperm formation in an organism that has a normal chromosome number of eight? a. b.

ANSWER d

Question #6 The scrotum is an important adaptation in human males because the optimum temperature for sperm development is a. 10 to 12 degrees below normal body temperature b. 2 to 4 degrees below normal body temperature c. 2 to 4 degrees above normal body temperature d. 10 to 12 degrees above normal body temperature

ANSWER b

Question #7 An adaptation of the male reproductive system that provides a lower temperature for the development of sperm cells is the a. urethra b. penis c. scrotum d. semen

ANSWER c

Question #8 In human males, which structure is used to transport sperm out of the body? a. urethra b. ureter c. scrotum d. oviduct

ANSWER a

Question #9 The reproductive cycle in females is regulated primarily by a. estrogen and testosterone b. estrogen and progesterone c. progesterone and insulin d. progesterone and testosterone

ANSWER b

Question #10 The placenta forms from the combination of fetal tissue and tissue from structure a. A b. B c. C d. D

ANSWER c

Question #11 Essential materials needed for development are transported to a human fetus through the a. reproductive hormones b. egg cell c. placenta d. ovaries

ANSWER c

Question #12 Toxins can harm a developing fetus. They usually enter the fetus by the process of a. blood flow from the mother to the fetus b. active transport from the ovary c. diffusion across placental membranes d. recombination of genes from the fetus and mother

ANSWER c

Question #13 The fetus normally develops within structure a. A b. B c. C d. D

ANSWER c

Question #14 In humans, the process suggested in the diagram usually occurs in the a. follicle b. uterus c. vagina d. oviduct

ANSWER d

Question #15 Which sequence represents the normal order of events that occur during the menstrual cycle? a. menstruation → ovulation → corpus luteum → follicle stage b. follicle stage → ovulation → corpus luteum → menstruation c. ovulation → follicle stage → corpus luteum → menstruation d. follicle stage → menstruation → corpus luteum → ovulation

ANSWER b

Question #16 Which statement best describes normal oogenesis in a human? a. Mitotic cell division produces four eggs. b. Meiotic cell division produces one egg and three polar bodies. c. Mitotic cell division produces one sperm cell and three polar bodies. d. Meiotic cell division produces four motile gametes.

ANSWER b

Question #17 Thickening and vascularization of the uterine lining in the human female is initiated during which stage of the menstrual cycle? a. corpus luteum b. menstruation c. follicle d. ovulation

ANSWER c

Question #18 Estrogen has a direct effect on the a. formation of a zygote b. changes within the uterus c. movement of an egg toward the sperm d. development of a placenta within the ovary

ANSWER b

Question #19 In a human female, what is the most direct result of the presence of the hormone FSH? a. production of the corpus luteum b. development of the ovarian follicle c. breakdown of the uterine lining d. disintegration of the ovum

ANSWER b

Question #20 The periodic shedding of the uterine lining usually takes place a. after menopause b. during pregnancy c. if fertilization does not occur d. before the onset of puberty

ANSWER c

Question #21 In which stage of the human menstrual cycle is an egg released from an ovary? a. Ovulation b. Follicle stage c. Menstruation d. Corpus luteum stage

ANSWER a