(a) Humans reproduce ....... (asexually / sexually)

(b) Humans are ......... (oviparous /vivaparous/ovoviviparous)

(c) Fertilisation is ..... in humans (external / internal)

(d) Male and female gametes are ...... (diploid / haploid)

(e) Zygote is ..... (diploid/ haploid )

(f) The process of release of ovum from a mature follicle is called...........

(g) Ovulation is induced by a hormone called ......

(h) The fusion of male and female gametes is called ......

(i) Fertilisation takes place in .....

(j) Zygote divides to form........ which is implated in uterus.

(k) The structure which provides vascular connection between foetus and uterus is called.

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Solution

(a) Sexually

(b) Viviparous

(c) Internal

(d) Haploid

(e) Diploid

(f) Ovulation

(g) Luteinising Homone (LH)

(h) Fertilisation

(i) Oviduct (ampulla-isthmus junction)

(j) Blastocyst

(k) Placenta.

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Similar questions

Fill in the blanks:

(a) Humans reproduce __________. (asexually/sexually)

(b) Humans are__________. (oviparous/viviparous/ovoviviparous)

(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 __________.

State whether the following statements are true or false :

(a) Each sperm is a single cell.

(b) A new human individual develops from a cell called gamete.

(d) A zygote is formed as a result of fertilisation.

(e) External fertilisation takes place in frog.

(f) An embryo is made up of a single cell.

(g) Oviparous animals give birth to young ones.

(h) Oviparous animals give birth to young ones.

(i) The hens give birth to chicks like human beings give birth to babies.

(j) Amoeba reproduces by budding.

(k) Binary fission is a method of asexual reproduction.

(l) Fertilisation is necessary even in asexual reproduction.

(m) Cloning is a sexual reproduction method in mammals.

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