Zoospore |
Zygote |
|
1. |
A zoospore is a motile asexual spore that utilizes the flagella for movement. |
A zygote is a non-motile diploid cell formed as a result of fertilization. |
2. |
It is an asexual reproductive structure. |
It is formed as a result of sexual reproduction. |
Define external fertilization. Mention its disadvantages.
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 ____________.
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