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WorksheetsBiology 3201 - Unit 1: Reproduction Vocabulary MCQs
Total questions: 62
Worksheet time: 31mins
Which term refers to the biological process producing new organisms, ensuring the survival of a species?
Mitosis
Reproduction
Fertilization
Metabolism
What is the single-parent reproduction method producing offspring genetically identical to the parent?
Sexual reproduction
Asexual reproduction
Gametogenesis
Independent assortment
What is the basic unit of structure and function in living things?
Chromosome
Cell
Gamete
Zygote
Which term refers to a body cell (non-reproductive) containing two sets of chromosomes?
Somatic cell
Gamete
Haploid cell
Zygote
What is the cell with only one set of chromosomes called?
Diploid cell
Haploid cell
Polyploid cell
Somatic cell
Which structure carries genetic information made of DNA and proteins?
Chromatid
Chromosome
Nucleus
Ribosome
One of two identical halves of a duplicated chromosome is called?
Chromatid
Chromosome
Gene
Histone
Which term refers to a duplicated chromosome consisting of sister chromatids?
Replicated chromosome
Diploid chromosome
Gamete
Somatic chromosome
Which process produces two identical diploid daughter cells for growth and repair?
Mitosis
Meiosis
Binary fission
Fertilization
Which cell division process produces haploid gametes and introduces genetic diversity?
Mitosis
Meiosis
Binary fission
Fertilization
What is the exchange of genetic material between homologous chromosomes in meiosis called?
Crossing over
Independent assortment
Fertilization
Recombination
What is the random distribution of chromosomes into gametes during meiosis called?
Crossing over
Independent assortment
Replication
Translation
What are the male gonads producing sperm and testosterone?
Ovaries
Testes
Vas deferens
Epididymis
What is the external sac housing testes for temperature regulation?
Seminal vesicle
Scrotum
Prostate gland
Urethra
Which structures in the testes produce sperm?
Vas deferens
Epididymis
What cells in the testes produce testosterone?
A. Interstitial cells
B. Seminiferous tubules
C. Epididymis
D. Vas deferens
Where are sperm stored and matured?
Testes
Epididymis
Vas deferens
Prostate
Which tube transports sperm toward the urethra?
Vas deferens
Epididymis
Ureter
Seminal vesicle
Which gland secretes a fructose-rich fluid for sperm energy?
Seminal vesicle
Prostate gland
Cowper’s gland
Scrotum
Which gland adds alkaline fluid to semen?
Prostate gland
Cowper’s gland
Seminal vesicle
Which glands secrete lubrication fluid into semen?
Cowper’s glands
Seminal vesicle
Prostate gland
Scrotum
What is the mixture of sperm and glandular secretions called?
Ejaculate
Semen
Spermatic fluid
Gametes
What is the expulsion of semen from the body called?
Ejaculation
Ovulation
Fertilization
Implantation
What are the female gonads producing eggs and hormones?
Ovaries
Follicles
Fimbriae
Endometrium
What structures in the ovaries house developing eggs?
Follicles
Fimbriae
Endometrium
Oviduct
What fingerlike projections guide the egg into the oviduct?
Fimbriae
Cilia
Follicles
Villi
What is the site of fertilization that carries the egg to the uterus?
Vagina
Oviduct
Cervix
Urethra
Where does the embryo implant and develop?
Uterus
Oviduct
Vagina
Endometrium
What is the lining of the uterus that thickens for implantation?
Cervix
Endometrium
Myometrium
Perimetrium
What is the lower opening of the uterus leading to the vagina?
Oviduct
Cervix
Fimbriae
Endometrium
What is the birth canal and site for sperm entry?
Vagina
Oviduct
Cervix
Urethra
What is the fusion of egg and sperm nuclei called?
Implantation
Fertilization
Cleavage
Mitosis
What is the diploid cell formed at fertilization called?
Gamete
Zygote
Embryo
Fetus
What is the rapid mitotic division of the zygote called?
Cleavage
Blastulation
Fertilization
Meiosis
What is the solid ball of cells after cleavage called?
Morula
Blastula
Gastrula
Zygote
What is the hollow ball of cells in early development called?
(a)
What stage forms the three germ layers: ectoderm, mesoderm, endoderm?
Gastrula
Blastula
Morula
Zygote
What is the early developmental stage post-fertilization called?
Embryo
Fetus
Zygote
Morula
What is the later stage after major organs form called?
Fetus
Embryo
Blastula
Gastrula
Which hormone from the hypothalamus stimulates FSH & LH release?
GnRH
FSH
LH
Estrogen
Which hormone stimulates follicle and sperm development?
LH
FSH
Which hormone triggers ovulation and testosterone production?
LH
FSH
Progesterone
Estrogen
Which hormone thickens the uterine lining and forms secondary sex traits in females?
Estrogen
Progesterone
FSH
LH
Which hormone maintains the uterine lining for pregnancy?
Progesterone
Estrogen
FSH
LH
Which male hormone promotes sperm production & secondary sex traits?
Testosterone
Estrogen
Progesterone
LH
Which hormone inhibits FSH release via negative feedback?
Inhibin
Progesterone
Estrogen
Which cycle involves follicle maturation and ovulation?
Ovarian cycle
Uterine cycle
Menstrual cycle
Luteal phase
Which cycle involves changes in the uterine lining?
Uterine cycle
Ovarian cycle
Menstrual cycle
Follicular phase
Which phase has follicle growth and rising estrogen?
Follicular phase
Luteal phase
Ovulation
Menstruation
What is the release of the egg from the ovary called?
Ovulation
Menstruation
Cleavage
Implantation
Which phase forms the corpus luteum and raises progesterone?
Luteal phase
Follicular phase
Menstruation
Ovulation
What is the shedding of the uterine lining called?
Menstruation
Ovulation
Implantation
Cleavage
What is fertilization outside the body followed by embryo implantation?
IVF
Artificial insemination
Cloning
Contraception
Which method introduces sperm artificially into the female tract?
Artificial insemination
IVF
Contraception
Cloning
What process produces genetically identical organisms?
Cloning
IVF
Artificial insemination
Stem cells
Which cells can develop into many different cell types?
Stem cells
Gametes
Zygote
Blastula
What is an agent causing birth defects called?
Teratogen
Pathogen
Carcinogen
Mutagen
Which methods prevent pregnancy?
Contraception
Implantation
Ovulation
Menstruation
What hormonal mechanism maintains homeostasis?
Negative feedback loop
Positive feedback
Menstrual cycle
Ovarian cycle
Which organisms produce their own food via photosynthesis?
Autotrophs
Heterotrophs
Saprophytes
Parasites
What is the permanent loss of a species called?
Extinction
Contraception
Fertilization
Replication
Which therapies target uncontrolled cell reproduction?
Radiation |therapy
chemotherapy
immunotherapy
surgery
