The process of the fusion of the nuclei of pollen and ovum is called ________ .
Fertilisation
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15
Why pollen grows a tube?
Since it has no 'tail' to swim and needs to meet the ovum , it grows a tube to help it slide down to the ovary.
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15
Does the seed of this plant contain one or two cotyledons?
Two cotyledons.
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15
The function of ___________ is to protect the embryonic plant.
The outer coat (testa)
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15
Where is micropyle found?
Micropyle is found on the opposite of the tip of the radicle.
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15
Fruits develop from the ________ and seeds develop from the ________ .
Ovary;Ovules
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15
Annual tree rings are made of? a.xylem b.phloem
a.xylemÂ
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baam
Lose 15 points!
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gift
Win 10 points!
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gift
Win 10 points!
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banana
Go to last place!
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15
In what directions do sugars move in phloem?
Two directions. (Bidirectional)
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eraser
Reset score!
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shark
Other team loses 15 points!
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shark
Other team loses 25 points!
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lifesaver
Give 5 points!
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15
Why different fruits have different number of seeds?
Because different plants have different number of ovules.
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thief
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5
10
15
20
25
magnet
Take 25 points!
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rocket
Go to first place!
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banana
Go to last place!
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15
The primary function of xylem is _________.
To transport water from the roots to the leaves.
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15
The first part to push its way out of the seed during germination is?
The radicle
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15
Which of the following are true regarding phloem? 1.It transports water from the roots to the leaves. 2.It transports sucrose from the leaves to the roots. 3.It is located lateral to xylem in tree stems.
