Seeds

Question 1

Seed germination

Answer 1

The emergence of the young root or radicle through the testa- us usually at the micropyle

Question 2

Viable seed

Answer 2

Has the potential to germinate if the external conditions are right

Question 3

Conditions needed for germination

Answer 3

Water
Air (oxygen)
Temperature suitable for specific plant

Some need light
Some need absence of light

Question 4

Quiescent seed

Answer 4

Viable seed that does not germination because environmental requirements are not correct

Question 5

Dormant seed

Answer 5

Is one that does not germinate even though the environmental conditions are correct

Question 6

Orthodox seeds

Answer 6

Once dry these seeds age slowly

The ageing process can slowed further if they are kept somewhere cold and dark

Phaseolus vulgaris
Vicia faba
Nigella damascena

Question 7

Recalcitrant seeds

Answer 7

Can not be dried or frozen.

Needs to stay moist and cool, but not for long

Quercus robur
Aesculus Hippocastanum