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.

(c) Egg laid after fertilisation is made up of a single cell.

(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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Solution

(a) True (b) False (c) True (d) True (e) True (f) False (g) False (h) True (i) False (j) False (k) True (l) False (m) False

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Similar questions

Indicate whether the following statements are True (T) or False (F).

(a) Oviparous animals give birth to young ones. ( )

(b) Each sperm is a single cell. ( )

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

(e) Egg laid after fertilization is made up of a single cell. ( )

(f) Amoeba reproduces by budding. ( )

(g) Fertilization is necessary even in asexual reproduction. ( )

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

(i) A zygote is formed as a result of fertilization. ( )

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

Parthenogenesis is a mode of reproduction in which a haploid cell develops into an individual without undergoing fertilisation. This mode of reproduction is an asexual mode of reproduction. State true or false.

Q. Fill in the blanks:
(a) Humans reproduce _____________ (asexually/sexually)
(b) Humans are _____________ (oviparous, viviparous, 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 implanted in uterus.
(k) The structure which provides vascular connection between foetus and uterus is called _____________

Question 04(i)
Indicate whether the following statements are True (T) or False (F).
Oviparous animals give birth to young ones. ( )

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

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

(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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