Seeds and germination البذور والإنبات
First Question: Answer with (√) or (×) in the following sentences
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( ) Seed germination in corn is called Hypogeal Germination.
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( ) Testa is a part of embryo.
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( ) Oxygen is an essential factor for seed germination.
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( ) Once the seedling starts to photosynthesize, it is no longer dependent on
the Endosperm.
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( ( Dicotyledons plants have one Cotyledon.
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( ) Plumule gives rise to the shoot system.
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( ) Endosperm tissue is developed after germination.
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( ) Micropel is a small hole to allow the entry of water during the process of germination
Second Question: Choose the correct answer
1) Most of plant seeds consist of …
A) embryo and its food supply, surrounded by a protective coating.
B) Cotyledons, Radicle, surrounded by Endosperm.
C) Scutellum, Embryo surrounded by Testa.
D) Plumule, Endosperm, surrounded by ovary wall.
(2) The stem of embryo located between the cotyledons and roots is called …
A) Plumule.
B) Hypocotyl.
C) Scutellum.
D) Epicotyl.
3) The process of seed germination starts with
A) Split of testa.
B) Digestion of the food stored in the Endosperm.
C) Absorbing water.
D) Activation of seed enzymes.
4) Type of germination in which cotyledons are pushed above the soil
A- Hypogeal
B- Seedling
C- Epigeal
D- None of these
5) In Exo-endospermic seed, the food is stored in
A) Endosperm.
B) Root.
C) Plumule.
D) Cotyledons.
6) The first part of the embryo to emerge from the seed during germination is
A) Plumule.
B) Radicle.
C) Cotyledons.
D) Steam.
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