1.
Which of the following can kill all the koi in a pond overnight? |
a.
lack of food |
b.
lack of oxygen |
c.
lack of light |
d.
none of the above |
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2.
When all the koi are at the pond surface on a warm night, then
probably: |
a.
they need oxygen. |
b.
they need cooling. |
c.
they need food. |
d.
they need light. |
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3.
Which of the following has the greatest positive impact on pond
water quality? |
a.
floating pellets |
b.
proper filtration |
c.
uv light |
d.
weekly water change |
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4.
Which of the following water quality descriptions is deadliest to
koi? |
a.
chlorine-free |
b.
high ammonia |
c.
low nitrites |
d.
high nitrates |
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5.
Which of the following is the least lethal to koi? |
a.
chlorine |
b.
nitrites |
c.
nitrates |
d.
ammonia |
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6.
Which of the following is referred to by the term 'New Pond
Syndrome'? |
a.
high nitrites |
b.
low oxygen |
c.
high nitrates |
d.
high ammonia |
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7.
Which of the following can not be added to the pellet diet of koi
occasionally? |
a.
shrimp |
b.
fruits |
c.
fish |
d.
none of the above |
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8.
The diet of a fully-grown koi must have a minimum of how much crude
protein? |
a.
28% |
b.
35% |
c.
40% |
d.
45% |
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9.
What's the most reliable way to judge pond water quality? |
a.
ammonia/nitrite testing |
b.
water clarity inspection |
c.
ph/hardness testing |
d.
specific gravity testing |
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10. Which
of the following is not a good practice for koi feeding? |
a.
removal of excess food |
b.
use of sinking pellets |
c.
adding of natural foods |
d.
none of the above |
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See the answers here. |
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