SELECT * FROM question_mgmt as q WHERE id=89 AND status=1 SELECT id,question_no,question,chapter FROM question_mgmt as q WHERE courseId=3 AND subId=7 AND chapterId=28 and ex_no='1' AND status=1 ORDER BY CAST(question_no AS UNSIGNED) CBSE Free NCERT Solution of 12th biology Human Reproduction fill in the blanks a humans reproduce

Question:

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 male and female gametes is called _____________.
(i) Fertilisation takes place in _____________.
(j) Zygote divides to form _____________which is implanted in uterus.
(k) The structure which provides vascular connection between fetus and uterus is called ____________.

Answer:

(a) Humans reproduces Sexually.
(b) Humans are Viviparous.
(c) Fertilization is Internal in humans.
(d) Male and female gametes are Haploid.
(e) Zygote is diploid.
(f) The process of release of the ovum from a mature follicle is called ovulation.
(g) Ovulation is induced by a hormone called the luteinizing hormone.
(h) The fusion of the male and the female gametes is called fertilization.
(i) Fertilization takes place in the fallopian tube.
(j) The zygote divides to form blastocyst, which is implanted in uterus.
(k) The structure which provides vascular connection between the fetus and uterus is called placenta.


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