BIOLOGY

JAMB 2015 - Question 9

Biology 2015 JAMB Past Questions - Question 9: A water medium is necessary for fertilization in

Choose the most appropriate option for the gap .
A water medium is necessary for fertilization in
A:
B:
C:
D:
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Correct Answer

C

Explanation

Ferns(pteridophyte) and mosses (bryophytes) require water for sexual reproduction This is because the male sex cells called antheroids produced by male antheridium require water to swim to the neck of the female reproductive organ called archegonium to fertilized the egg (ovum) the female sex cell. Conifers are gymnosperms(nonflowering) plants which produce naked seeds. Angiosperms are flowering plants which have specialized male reproductive organ called androecium that produces male gametes, pollen grains and gynoecium (female reproductive organ)that produces the egg. The egg is fertilized by pollen grain transferred to the stigma either by wind or insects as agents of pollination. Fungi are non green plants such as bread mould (Rhizopus) that is reproductive sexually by means of gametangia formed between hyphae from different mycelia that lie side by side

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