Related questions grouped automatically for chapter-wise practice. Topics include Human Reproduction.
Related questions grouped automatically for chapter-wise practice.
Biology Chapter 2 Human Reproduction ke topic-wise MCQs yahan grouped context me milenge. jo aap ko Exam ki preparation me madad milegi. Ye questions exam-oriented hai and students ko concept clarity, quick revision aur board exam preparation kaafi madad karenge. Sabhi se jude MCQs important topics ke anusar arranged hai, taaki aap Chapter 2 Human Reproduction ko easy tarike se practice aur revise kar sake.
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In human males sperm are produced in which organ?
A. वृषणTestis
Identify the concept: this is about the male reproductive system.
Testes produce sperms and also produce testosterone.
Exam tip: remember testis as the sperm factory.
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In human females ova are produced in which organ?
B. अंडाशयOvary
Identify the concept: this is about the female reproductive system.
Ovaries produce ova and also secrete female hormones.
Exam tip: connect ovary with ova and hormones.
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Testes are located outside the body in which sac?
A. अंडकोशScrotum
Identify the concept: this is about the position of testes.
Testes lie in the scrotum which helps maintain a lower suitable temperature for sperm formation.
Exam tip: scrotum helps in temperature control.
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What is the process of sperm formation called?
B. शुक्रजननSpermatogenesis
Identify the concept: this is about gamete formation.
The process of formation of sperms is called spermatogenesis.
Exam tip: when you see sperm formation remember spermatogenesis.
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What is the process of ovum formation called?
B. अंडजननOogenesis
Identify the concept: this is female gamete formation.
The process of formation of ovum is called oogenesis.
Exam tip: remember oogenesis for ovum formation.
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In testes sperms are mainly formed in which structure?
B. सेमिनिफेरस नलिकाएंSeminiferous tubules
Identify the concept: this is about internal structure of testis.
Spermatogenesis occurs in the seminiferous tubules.
Exam tip: remember seminiferous tubules as the sperm formation site.
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What is the main function of Sertoli cells?
A. शुक्राणु कोशिकाओं को पोषण देनाNourish sperm cells
Identify the concept: this is about cells of seminiferous tubules.
Sertoli cells support and nourish developing sperm cells.
Exam tip: remember Sertoli as support cells.
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Leydig cells mainly produce which hormone?
B. Testosterone
Identify the concept: this is male hormone production.
Leydig cells in testes produce androgens mainly testosterone.
Exam tip: remember Leydig cells with testosterone.
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Maturation and storage of sperms mainly occur where?
A. Epididymis
Identify the concept: this is about sperm pathway.
Sperms mature and are stored for some time in the epididymis.
Exam tip: connect epididymis with sperm storage and maturation.
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What is the main function of vas deferens?
A. शुक्राणुओं का transportTransport of sperms
Identify the concept: this is the male duct system.
Vas deferens transports sperms from epididymis onward.
Exam tip: remember vas deferens as a sperm carrying duct.
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B. शुक्राणु और accessory gland secretionsSperms and accessory gland secretions
Identify the concept: this is semen composition.
Semen contains sperms and secretions of glands such as seminal vesicles and prostate.
Exam tip: remember semen equals sperms plus fluid secretions.
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Which gland is a male accessory gland?
A. Prostate gland
Identify the concept: this is about male accessory glands.
Prostate gland is an accessory gland of the male reproductive system.
Exam tip: remember seminal vesicles prostate and bulbourethral glands together.
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Which enzyme containing cap like structure is present in the head of sperm?
A. Acrosome
Identify the concept: this is sperm structure.
Acrosome is a cap like structure on the sperm head and contains enzymes.
Exam tip: acrosome helps penetrate egg coverings during fertilization.
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What is the main function of the tail of sperm?
A. Movement में सहायताHelps in movement
Identify the concept: this is function of sperm parts.
The tail helps sperm move through the female tract.
Exam tip: remember tail means movement.
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Where does fertilization normally occur in the human female reproductive system?
C. फैलोपियन ट्यूब का ampulla-isthmus junctionAmpulla-isthmus junction of oviduct
Identify the concept: this is the site of fertilization.
In humans fertilization usually occurs at the ampulla-isthmus junction of the oviduct.
Exam tip: remember ampulla-isthmus junction as fertilization site.
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Fallopian tube is also known as what?
A. Oviduct
Identify the concept: this is the female duct system.
Fallopian tube is also called oviduct and helps transport the egg.
Exam tip: remember Fallopian tube equals oviduct.
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What is the simple Hindi name of uterus?
B. गर्भाशयWomb
Identify the concept: this is a female reproductive organ term.
Uterus is called womb and supports embryo development.
Exam tip: remember uterus as the pregnancy organ.
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What is the inner lining of uterus called?
B. Endometrium
Identify the concept: this is about uterine layers.
Endometrium is the inner lining of uterus and changes during the menstrual cycle.
Exam tip: endometrium is linked with implantation and menstruation.
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Cervix is a part of which organ?
A. गर्भाशयUterus
Identify the concept: this is female reproductive tract.
Cervix is the narrow lower part of uterus that connects with the vagina.
Exam tip: remember cervix as the neck of uterus.
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A. अंडाशय से mature ovum का निकलनाRelease of mature ovum from ovary
Identify the concept: this is an event of menstrual cycle.
In ovulation a mature ovum is released from the ovary.
Exam tip: ovulation usually occurs around the middle of the cycle.
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The human menstrual cycle is considered about how many days on average?
C. 28 दिन28 days
Identify the concept: this is menstrual cycle duration.
The human menstrual cycle is generally considered about 28 days.
Exam tip: remember 28 days for average cycle length.
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The menstrual cycle is considered to start with which phase?
A. Menstrual phase
Identify the concept: this is about phases of menstrual cycle.
Day 1 of the cycle is counted from menstrual bleeding so menstrual phase is the start.
Exam tip: day 1 means menstruation starts.
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Which hormone surge triggers ovulation?
B. LH surge
Identify the concept: this is hormonal control of ovulation.
LH surge triggers ovulation.
Exam tip: remember LH surge for ovulation.
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Corpus luteum mainly secretes which hormone?
A. Progesterone
Identify the concept: this is about ovarian structure and hormone.
Corpus luteum secretes progesterone which helps maintain the endometrium.
Exam tip: remember corpus luteum with progesterone.
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What happens to corpus luteum if fertilization does not occur?
A. यह degrade होकर corpus albicans बनता हैIt degenerates into corpus albicans
Identify the concept: this is the outcome in menstrual cycle.
If fertilization does not occur corpus luteum degenerates and becomes corpus albicans.
Exam tip: no pregnancy means regression of corpus luteum.
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Which first cell is formed after fertilization?
A. Zygote
Identify the concept: this is result of fertilization.
Fusion of male and female gametes forms the zygote.
Exam tip: zygote is the first cell of a new individual.
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Repeated mitotic division of zygote is called what?
A. Cleavage
Identify the concept: this is early embryonic development.
Rapid mitotic divisions of zygote are called cleavage.
Exam tip: cleavage means early divisions without large growth.
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After cleavage the solid ball like stage is called what?
A. Morula
Identify the concept: this is an embryo development stage.
After cleavage a solid ball of cells is called morula.
Exam tip: remember morula as a mulberry like solid ball.
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Embedding of blastocyst into the uterine wall is called what?
A. Implantation
Identify the concept: this is related to beginning of pregnancy.
When the blastocyst embeds in the endometrium it is called implantation.
Exam tip: implantation means embryo fixing in uterus.
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What is the outer layer of blastocyst called?
A. Trophoblast
Identify the concept: this is blastocyst structure.
The outer layer of blastocyst is called trophoblast and helps in placenta formation.
Exam tip: trophoblast is outside.
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In blastocyst embryo proper develops from what?
A. Inner cell mass
Identify the concept: this is about blastocyst parts.
Inner cell mass later forms the embryo proper.
Exam tip: inner cell mass means future embryo.
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What is the main function of placenta?
A. मां और भ्रूण के बीच पदार्थों का आदान प्रदानExchange of materials between mother and foetus
Identify the concept: this is placenta function.
Placenta allows exchange of gases nutrients and wastes between mother and foetus.
Exam tip: remember placenta as the exchange organ.
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Foetus is connected to placenta through which structure?
A. Umbilical cord
Identify the concept: this is foetal connection.
Umbilical cord connects the foetus with the placenta.
Exam tip: remember umbilical cord as foetus placenta connection.
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Placenta secretes which pregnancy hormone?
A. hCG
Identify the concept: this is endocrine function of placenta.
Placenta secretes hormones such as hCG which help maintain pregnancy.
Exam tip: connect hCG with pregnancy hormone.
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What does gestation period mean?
A. Fertilization से birth तक का समयTime from fertilization to birth
Identify the concept: this is a pregnancy duration term.
Gestation period is the time of development from fertilization to birth.
Exam tip: remember gestation as pregnancy period.
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Human pregnancy is about how many months?
C. 9 महीने9 months
Identify the concept: this is a basic fact about gestation period.
Human gestation period is about 9 months.
Exam tip: remember human pregnancy as roughly 9 months.
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What is the birth process called in biology?
A. Parturition
Identify the concept: this is childbirth term.
The process of birth of baby is called parturition.
Exam tip: remember parturition means birth.
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Which hormone stimulates uterine contractions during parturition?
A. Oxytocin
Identify the concept: this is hormone of parturition.
Oxytocin stimulates strong contractions of the uterus.
Exam tip: remember oxytocin as birth contraction hormone.
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What is the process of milk production called?
A. Lactation
Identify the concept: this is function of mammary glands.
Milk production by mammary glands after childbirth is called lactation.
Exam tip: lactation means milk production.
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A. Antibodies
Identify the concept: this is about first milk.
Colostrum is rich in antibodies and gives immunity to the newborn.
Exam tip: remember colostrum as first immunity milk.
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Which is the primary sex organ in males?
A. Testis
Identify the concept: this is primary sex organ.
Male primary sex organ is testis because it produces gametes and hormones.
Exam tip: primary sex organ makes gametes.
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Which is the primary sex organ in females?
A. Ovary
Identify the concept: this is female primary sex organ.
Ovary is the primary sex organ because it produces ova and hormones.
Exam tip: ovary makes ovum and hormones.
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What does spermiogenesis mean?
A. Spermatids का sperms में बदलनाTransformation of spermatids into sperms
Identify the concept: this is final transformation in spermatogenesis.
During spermiogenesis spermatids change into mature sperms.
Exam tip: spermatid to sperm means spermiogenesis.
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A. Mature sperms का seminiferous tubules से release होनाRelease of mature sperms from seminiferous tubules
Identify the concept: this is sperm release term.
Release of mature sperms from seminiferous tubules is called spermiation.
Exam tip: spermiation means sperm release.
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FSH acts on which cells in male reproductive system?
A. Sertoli cells
Identify the concept: this is hormonal control of spermatogenesis.
FSH acts on Sertoli cells and supports spermatogenesis.
Exam tip: remember FSH plus Sertoli.
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LH stimulates which cells in male reproductive system?
A. Leydig cells
Identify the concept: this is male hormone regulation.
LH stimulates Leydig cells to produce androgens.
Exam tip: LH plus Leydig equals testosterone.
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Graafian follicle is related to what?
A. Mature ovarian follicle
Identify the concept: this is ovarian follicle stage.
Graafian follicle is the mature follicle that releases ovum during ovulation.
Exam tip: connect Graafian follicle with ovulation.
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Female external genitalia are collectively called what?
A. Vulva
Identify the concept: this is female reproductive anatomy term.
Female external genitalia are collectively called vulva.
Exam tip: vulva means external female genitalia.
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What is the main function of mammary glands?
A. Milk production for newborn
Identify the concept: this is function of mammary glands.
Mammary glands produce milk for the newborn after childbirth.
Exam tip: remember mammary glands with lactation.
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Fusion of sperm and ovum during fertilization forms what?
A. Zygote
Identify the concept: this is the direct result of fertilization.
Fusion of sperm and ovum forms a diploid zygote.
Exam tip: remember gamete fusion equals zygote.
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Related questions grouped automatically for chapter-wise practice. Topics include Human Reproduction.
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