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WorksheetsClass cephalopoda
Total questions: 20
Worksheet time: 8mins
Name
Class
Date
1.
Cephalopods include
a)
cuttlefish
b)
sponge
c)
worm
d)
snail
2.
What kind of jaws do cephalopods have?
a)
strong jaws
b)
beak-like jaws
c)
smooth
d)
soft
3.
Cephalopods are...
a)
producents
b)
predators
c)
marine carnivores
d)
terrestrial consumers
4.
Surrounded by...
a)
hand
b)
arm
c)
foot
d)
tentacles
5.
Shells of the Nautilus are made buoyant by a
a)
series of gas chambers
b)
series of rings
c)
mantia
d)
muscle
6.
Cuttlefish have a small...
a)
mantia
b)
curved
shell
c)
каркас
d)
brone
7.
In squid, the shell has been reduced to a small strip called the
a)
pen
b)
pencil
c)
marker
d)
sticker
8.
Shell of squid is enclosed in the...
a)
shell
b)
pen
c)
mantle
d)
brone
9.
Cephalopods swim by...
a)
pumping
b)
squizing
c)
expelling
water
d)
pushing
10.
What kind of eyes do cephalopods have?
a)
binary
b)
complex
c)
double
d)
triple
11.
Largest invertebrate
a)
brain
b)
eyes
c)
tentacles
d)
body
12.
What kind of circulatory system do cephalopods have?
a)
open
b)
full
c)
no one
d)
closed
13.
Color changes effected by
a)
chromatophores
b)
chromosomes
c)
chloroplasts
d)
chromotines
14.
Squirting out water by...helps escape predators
a)
jet
propulsion
b)
pumping
c)
squizing
d)
optional
15.
Squids also release...to escape predators
a)
colourful
b)
jelly like substance
c)
inky
substance
d)
wastes
16.
Sexes are...in cephalopods
a)
separate
b)
together
c)
hermophrodite
d)
full
17.
Juveniles hatch directly from eggs –
a)
no free-swimming larvae
b)
free-swimming larvae
c)
independent larvae
d)
dependent larvae
18.
Who graduated MGU(Московский Государственный Университет им. Ломоносова)?
a)
Abylai agay(химик)
b)
Kanat agay
c)
Arman agay
d)
Recep bey
19.
Who is the winner(silver medal) of International Chemistry Olympiad?
a)
Rakhym agay
b)
Abylai agay(englishman)
c)
Abylai agay(Samatov)
d)
Kanat agay
20.
Where did come from our oldest biologist teacher Mr. Kanat?
a)
Turkmenistan
b)
Azerbaijan
c)
Kyrgyzistan
d)
China
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