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NCERT Solutions for Class 12 Biology Chapter 3
Human Reproduction Class 12
Chapter 3 Human Reproduction Exercise Solutions
Exercise : Solutions of Questions on Page Number : 55
Q1 :
Fill in the blanks:
(a) Humans reproduce __________. (asexually/sexually)
(b) Humans are__________. (oviparous/viviparous/ovoviviparous)
(c) Fertilization is __________ in humans. (external/internal)
(d) Male and female gametes are __________. (diploid/haploid)
(e) Zygote is __________. (diploid/haploid)
(f) The process of release of the ovum from a mature follicle is called__________.
(g) Ovulation is induced by a hormone called the __________.
(h) The fusion of the male and the female gametes is called __________.
(i) Fertilization takes place in the __________.
(j) The zygote divides to form __________, which is implanted in uterus.
(k) The structure which provides vascular connection between the fetus and uterus is called __________.
Answer :
(a) Humans reproduce .
(b) Humans are .
(c) Fertilization is in humans.
(d) Male and female gametes are .
(e) Zygote is .
(f) The process of release of the ovum from a mature follicle is called .
(g) Ovulation is induced by a hormone called the .
(h) The fusion of the male and the female gametes is called .
(i) Fertilization takes place in the .
(j) The zygote divides to form , which is implanted in uterus.
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(k) The structure which provides vascular connection between the fetus and uterus is called .
Q2 :
Draw a labeled diagram of male reproductive system.
Answer :
Q3 :
Draw a labeled diagram of female reproductive system.
Answer :
Q4 :
Write two major functions each of testis and ovary.
www.ncrtsolutions.in
NCERT Solutions for Class 12 Biology Chapter 3
Human Reproduction Class 12
Chapter 3 Human Reproduction Exercise Solutions
Exercise : Solutions of Questions on Page Number : 55
Q1 :
Fill in the blanks:
(a) Humans reproduce __________. (asexually/sexually)
(b) Humans are__________. (oviparous/viviparous/ovoviviparous)
(c) Fertilization is __________ in humans. (external/internal)
(d) Male and female gametes are __________. (diploid/haploid)
(e) Zygote is __________. (diploid/haploid)
(f) The process of release of the ovum from a mature follicle is called__________.
(g) Ovulation is induced by a hormone called the __________.
(h) The fusion of the male and the female gametes is called __________.
(i) Fertilization takes place in the __________.
(j) The zygote divides to form __________, which is implanted in uterus.
(k) The structure which provides vascular connection between the fetus and uterus is called __________.
Answer :
(a) Humans reproduce .
(b) Humans are .
(c) Fertilization is in humans.
(d) Male and female gametes are .
(e) Zygote is .
(f) The process of release of the ovum from a mature follicle is called .
(g) Ovulation is induced by a hormone called the .
(h) The fusion of the male and the female gametes is called .
(i) Fertilization takes place in the .
(j) The zygote divides to form , which is implanted in uterus.
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(k) The structure which provides vascular connection between the fetus and uterus is called .
Q2 :
Draw a labeled diagram of male reproductive system.
Answer :
Q3 :
Draw a labeled diagram of female reproductive system.
Answer :
Q4 :
Write two major functions each of testis and ovary.
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