Seeds Flashcards

1
Q

Seed protects _ until it germinates

A

Plant’s embryo

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2
Q

Seed also allows embryo to survive (2) conditions

A

Cold

Dry

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3
Q

Angiosperm means clothed seeds, gymnosperm means _

A

Naked seed

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4
Q

Gymnosperms are held on scales with _

A

Cones

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5
Q

In all seed-bearing plants, seed holds an embryo (developing plant) and _

A

Nutrient rich tissue that forms embryo’s food store

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6
Q

Nutrient rich store known as _

A

Endosperm

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7
Q

Embryo comprises a _ (shoot)

A

Plumule

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8
Q

Embryo comprises _ (root)

A

Radicle

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9
Q

Embryo comprises _

A

Cotyledon

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10
Q

Dicot gets its name from

A

Two cotyledons (dicotyledon)

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11
Q

Outer seed coat is called _ and protects seed

A

Testa

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12
Q

Monocots include (2)

A

Grasses

Wheats

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13
Q

_ from Seychelles is worlds largest seed

A

Coco-de-mer palm seed

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14
Q

Coco-de-mer palm seed weighs

A

55lbs (25kg)

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15
Q

_ accumulate on shaded side, stimulating cell elongation

A

Auxins

(When bending towards sun)

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16
Q

_ plant grows towards light

A

Positive phototropism

17
Q

Negative _

A

Geotropism