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How many pairs of arms Octopuses has ?

Octopus2.jpg
four
three
two
one


Octopuses have two eyes and 4 pairs of arms and, like other cephalopods they are bilaterally symmetric.

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An octopus trails its eight arms _______ it as it swims.

Octopus5.jpg
front
behind
upward
all over


An octopus trails its eight arms behind it as it swims. All octopuses are venomous, but only one group, the blue-ringed octopuses, is known to be deadly to humans.

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Octopuses have a relatively short life expectancy, and some species live for as little as _________.

6 months
12 months
1.5 year
2 years


Octopuses have a relatively short life expectancy, and some species live for as little as six months. Larger species, such as the giant pacific octopus, may live for up to five years under suitable circumstances.

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How many hearts are in the body of octopuses ?

2
3
4
1


Octopuses have three hearts. Two bronchial hearts pump blood through each of the two gills, while the third is a systemic heart that pumps blood through the body.

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What part of an octopus''s neurons are found in the nerve cords of its arms, which have limited functional autonomy.

One-thirds
Two-thirds
One-fourths
Two-fourths


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In which year, some octopuses were found to walk on two arms, while at the same time resembling plant matter.

1982
1996
2005
2011


In 2005, some octopuses (Adopus aculeatus and Amphioctopus marginatus under current taxonomy) were found to walk on two arms, while at the same time resembling plant matter.

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What is the maximum recorded weight of octopus ?

182 kg
222 kg
272 kg
332 kg


However, a number of questionable size records would suggest E. dofleini is the largest of all octopus species by a considerable margin; one such record is of a specimen weighing 272 kg (600 lb) and having an arm span of 9 m (30 ft).

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All octopuses are venomous, but only the small _________ octopuses are known to be deadly to humans.

pink-ringed
blue-ringed
red-ringed
green-ringed


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Common octopuses will collect ___________ shells and other objects to construct fortresses, or "gardens," around their lairs.

Besen
Armesen
Crustacean
Ducan


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What is the average litter size for Octopus ?

80
150
210
290


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