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12th Class Biology Chapter 18 MCQs with Answers

12th Class Biology Chapter 18 MCQs

Master the essentials of Reproduction with targeted 12th Class Biology Chapter 18 MCQs. From human reproduction to plant fertilization, these questions cover all exam-relevant topics. Gain an edge with trending phrases like reproductive systems MCQs, biology exam questions, and plant reproduction quiz. Perfect for students aiming for top marks!

What type of cell division is responsible for producing gametes?
a) Mitosis
b) Meiosis
c) Cytokinesis
d) Interphase

Answer
b) Meiosis

In humans, where does fertilization typically occur?
a) Uterus
b) Ovary
c) Fallopian tube
d) Cervix

Answer
c) Fallopian tube

Which male reproductive organ produces sperm?
a) Testes
b) Epididymis
c) Prostate gland
d) Vas deferens

Answer
a) Testes

The process of release of an egg from the ovary is called .
a) Menstruation
b) Ovulation
c) Fertilization
d) Implantation

Answer
b) Ovulation

What is the primary female sex hormone responsible for the development of female reproductive structures and secondary sexual characteristics?
a) Testosterone
b) Estrogen
c) Progesterone
d) Follicle-stimulating hormone (FSH)

Answer
b) Estrogen

Which part of the sperm contains enzymes that help penetrate the outer layers of the egg during fertilization?
a) Head
b) Midpiece
c) Tail
d) Acrosome

Answer
d) Acrosome

In human males, where does sperm maturation and storage occur?
a) Testes
b) Epididymis
c) Vas deferens
d) Prostate gland

Answer
b) Epididymis

The female reproductive system produces and releases eggs through the process of
a) Ovulation
b) Fertilization
c) Menstruation
d) Implantation

Answer
a) Ovulation

In which part of the female reproductive system does fertilization typically occur?
a) Uterus
b) Ovary
c) Fallopian tube
d) Cervix

Answer
c) Fallopian tube

What is the term for the shedding of the uterine lining that occurs in the absence of fertilization?
a) Ovulation
b) Fertilization
c) Menstruation
d) Implantation

Answer
c) Menstruation

What is the primary male sex hormone responsible for the development of male reproductive structures and secondary sexual characteristics?
a) Testosterone
b) Estrogen
c) Progesterone
d) Follicle-stimulating hormone (FSH)

Answer
a) Testosterone

The process of combining genetic material from two parents to produce offspring is called
a) Meiosis
b) Fertilization
c) Implantation
d) Ovulation

Answer
b) Fertilization

What is the name of the female sex cell?
a) Sperm
b) Egg
c) Zygote
d) Blastocyst

Answer
b) Egg

The process of cell division that results in four haploid daughter cells, each with half the number of chromosomes as the parent cell, is called .
a) Mitosis
b) Meiosis
c) Cytokinesis
d) Interphase

Answer
b) Meiosis

Which structure connects the placenta to the developing fetus and allows for the exchange of nutrients and waste products?
a) Umbilical cord
b) Amniotic sac
c) Chorion
d) Allantois

Answer
a) Umbilical cord

What is the name of the process by which a zygote undergoes rapid cell divisions to form a ball of cells?
a) Implantation
b) Gastrulation
c) Cleavage
d) Differentiation

Answer
c) Cleavage

In humans, the process of embryo implantation typically occurs in which part of the reproductive system?
a) Uterus
b) Ovary
c) Fallopian tube
d) Cervix

Answer
a) Uterus

What is the term for the early stage of development after fertilization and before implantation?
a) Embryo
b) Zygote
c) Blastocyst
d) Fetus

Answer
c) Blastocyst

The process by which sperm are produced in the testes is called .
a) Spermatogenesis
b) Oogenesis
c) Fertilization
d) Cleavage

Answer
a) Spermatogenesis

Which female reproductive structure produces eggs?
a) Uterus
b) Ovary
c) Fallopian tube
d) Cervix

Answer
b) Ovary

The process of cell division that produces four haploid daughter cells, each with half the number of chromosomes as the parent cell, is called
a) Mitosis
b) Meiosis
c) Cytokinesis
d) Interphase

Answer
b) Meiosis

In humans, where does fertilization typically occur?
a) Uterus
b) Ovary
c) Fallopian tube
d) Cervix

Answer
c) Fallopian tube

Which male reproductive organ produces sperm?
a) Testes
b) Epididymis
c) Prostate gland
d) Vas deferens

Answer
a) Testes

The process of release of an egg from the ovary is called .
a) Menstruation
b) Ovulation
c) Fertilization
d) Implantation

Answer
b) Ovulation

What is the primary female sex hormone responsible for the development of female reproductive structures and secondary sexual characteristics?
a) Testosterone
b) Estrogen
c) Progesterone
d) Follicle-stimulating hormone (FSH)

Answer
b) Estrogen

Which part of the sperm contains enzymes that help penetrate the outer layers of the egg during fertilization?
a) Head
b) Midpiece
c) Tail
d) Acrosome

Answer
d) Acrosome

In human males, where does sperm maturation and storage occur?
a) Testes
b) Epididymis
c) Vas deferens
d) Prostate gland

Answer
b) Epididymis

The female reproductive system produces and releases eggs through the process of
a) Ovulation
b) Fertilization
c) Menstruation
d) Implantation

Answer
a) Ovulation

In which part of the female reproductive system does fertilization typically occur?
a) Uterus
b) Ovary
c) Fallopian tube
d) Cervix

Answer
c) Fallopian tube

What is the term for the shedding of the uterine lining that occurs in the absence of fertilization?
a) Ovulation
b) Fertilization
c) Menstruation
d) Implantation

Answer
c) Menstruation

What is the primary male sex hormone responsible for the development of male reproductive structures and secondary sexual characteristics?
a) Testosterone
b) Estrogen
c) Progesterone
d) Follicle-stimulating hormone (FSH)

Answer
a) Testosterone

The process of combining genetic material from two parents to produce offspring is called
a) Meiosis
b) Fertilization
c) Implantation
d) Ovulation

Answer
b) Fertilization

What is the name of the female sex cell?
a) Sperm
b) Egg
c) Zygote
d) Blastocyst

Answer
b) Egg

The process of cell division that results in four haploid daughter cells, each with half the number of chromosomes as the parent cell, is called .
a) Mitosis
b) Meiosis
c) Cytokinesis
d) Interphase

Answer
b) Meiosis

Which structure connects the placenta to the developing fetus and allows for the exchange of nutrients and waste products?
a) Umbilical cord
b) Amniotic sac
c) Chorion
d) Allantois

Answer
a) Umbilical cord

What is the name of the process by which a zygote undergoes rapid cell divisions to form a ball of cells?
a) Implantation
b) Gastrulation
c) Cleavage
d) Differentiation

Answer
c) Cleavage

In humans, the process of embryo implantation typically occurs in which part of the reproductive system?
a) Uterus
b) Ovary
c) Fallopian tube
d) Cervix

Answer
a) Uterus

What is the term for the early stage of development after fertilization and before implantation?
a) Embryo
b) Zygote
c) Blastocyst
d) Fetus

Answer
c) Blastocyst

The process by which sperm are produced in the testes is called .
a) Spermatogenesis
b) Oogenesis
c) Fertilization
d) Cleavage

Answer
a) Spermatogenesis

Which female reproductive structure produces eggs?
a) Uterus
b) Ovary
c) Fallopian tube
d) Cervix

Answer
b) Ovary

What is the primary male sex hormone responsible for the development of male reproductive structures and secondary sexual characteristics?
a) Testosterone
b) Estrogen
c) Progesterone
d) Follicle-stimulating hormone (FSH)

Answer
a) Testosterone

The process of combining genetic material from two parents to produce offspring is called
a) Meiosis
b) Fertilization
c) Implantation
d) Ovulation

Answer
b) Fertilization

What is the name of the female sex cell?
a) Sperm
b) Egg
c) Zygote
d) Blastocyst

Answer
b) Egg

The process of cell division that results in four haploid daughter cells, each with half the number of chromosomes as the parent cell, is called .
a) Mitosis
b) Meiosis
c) Cytokinesis
d) Interphase

Answer
b) Meiosis

Which structure connects the placenta to the developing fetus and allows for the exchange of nutrients and waste products?
a) Umbilical cord
b) Amniotic sac
c) Chorion
d) Allantois

Answer
a) Umbilical cord

What is the name of the process by which a zygote undergoes rapid cell divisions to form a ball of cells?
a) Implantation
b) Gastrulation
c) Cleavage
d) Differentiation

Answer
c) Cleavage

In humans, the process of embryo implantation typically occurs in which part of the reproductive system?
a) Uterus
b) Ovary
c) Fallopian tube
d) Cervix

Answer
a) Uterus

What is the term for the early stage of development after fertilization and before implantation?
a) Embryo
b) Zygote
c) Blastocyst
d) Fetus

Answer
c) Blastocyst

The process by which sperm are produced in the testes is called .
a) Spermatogenesis
b) Oogenesis
c) Fertilization
d) Cleavage

Answer
a) Spermatogenesis

Which female reproductive structure produces eggs?
a) Uterus
b) Ovary
c) Fallopian tube
d) Cervix

Answer
b) Ovary

The process of cell division that results in four haploid daughter cells, each with half the number of chromosomes as the parent cell, is called .
a) Mitosis
b) Meiosis
c) Cytokinesis
d) Interphase

Answer
b) Meiosis

In humans, where does fertilization typically occur?
a) Uterus
b) Ovary
c) Fallopian tube
d) Cervix

Answer
c) Fallopian tube

Which male reproductive organ produces sperm?
a) Testes
b) Epididymis
c) Prostate gland
d) Vas deferens

Answer
a) Testes

The process of release of an egg from the ovary is called .
a) Menstruation
b) Ovulation
c) Fertilization
d) Implantation

Answer
b) Ovulation

What is the primary female sex hormone responsible for the development of female reproductive structures and secondary sexual characteristics?
a) Testosterone
b) Estrogen
c) Progesterone
d) Follicle-stimulating hormone (FSH)

Answer
b) Estrogen

Which part of the sperm contains enzymes that help penetrate the outer layers of the egg during fertilization?
a) Head
b) Midpiece
c) Tail
d) Acrosome

Answer
d) Acrosome

In human males, where does sperm maturation and storage occur?
a) Testes
b) Epididymis
c) Vas deferens
d) Prostate gland

Answer
b) Epididymis

The female reproductive system produces and releases eggs through the process of
a) Ovulation
b) Fertilization
c) Menstruation
d) Implantation

Answer
a) Ovulation

In which part of the female reproductive system does fertilization typically occur?
a) Uterus
b) Ovary
c) Fallopian tube
d) Cervix

Answer
c) Fallopian tube

What is the term for the shedding of the uterine lining that occurs in the absence of fertilization?
a) Ovulation
b) Fertilization
c) Menstruation
d) Implantation

Answer
c) Menstruation

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