Micropyle is found on the opposite of the tip of the radicle.
15
The function of ___________ is to protect the embryonic plant.
The outer coat (testa)
15
The first part to push its way out of the seed during germination is?
The radicle
15
Does the seed of this plant contain one or two cotyledons?
Two cotyledons.
15
Fruits develop from the ________ and seeds develop from the ________ .
Ovary;Ovules
15
The process of the fusion of the nuclei of pollen and ovum is called ________ .
Fertilisation
15
Why different fruits have different number of seeds?
Because different plants have different number of ovules.
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.
15
In what directions do sugars move in phloem?
Two directions. (Bidirectional)
15
Annual tree rings are made of? a.xylem b.phloem
a.xylem
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The primary function of xylem is _________.
To transport water from the roots to the leaves.
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.
