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Test “Common Amoeba”

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1 variant

1. What shape does the nucleus of the common amoeba have?

a) ring b) spiral c) ball (bubble) d) sickle

2 The liquid part of the cell of an amoeba:

a) nucleus b) cytoplasm c) shell d) digestive vacuole.

3. What is the term for the non-permanent outgrowths of the amoeba’s body that appear and disappear as the amoeba moves and feeds?

a) rhizoids b) cilia c) false legs d) leg tentacles e) flagella

4. What is the name of the structural component of the common amoeba in which food digestion occurs?

a) cyst b) food vacuole c) digestive vacuole d) contractile vacuole e) porosity f)nucleus

5. Name the part of the body of the common amoeba from which the digestive juice flows directly to the digestive vacuole.

a) outer surface of the body b) nucleus c) cytoplasm d) contractile vacuole

6. Name the part of the body surface of the common amoeba where undigested food debris is expelled from the digestive vacuole.

a) mouth opening b) powders c) any place on the body surface

7.  What is the life stage (state) in which the common amoeba endures unfavorable living conditions?

a) egg b) cyst c) capsule d) larva e) vacuole f)cocoon

8.  At what point does the common amoeba leave the cyst shell?

a) when it changes its habitat b) when it absorbs food with the help of false legs c) when living conditions become favorable d) when it reproduces

9. Identify the structural component that the common amoeba lacks.

a) nucleus b) contractile vacuole c) cytoplasm d) digestive vacuole e) protective membrane (cyst) f) flagellum g) false pedicel

Variant 2

1 The organoid of movement of the amoeba:

A) false legs b) cilia c) flagellum  

2. A dense shell that helps preserve the protozoan under unfavorable conditions:

A) membrane b) cyst c) cuticle.

3. Excretion in an amoeba occurs by means of:

A) cytoplasm b) shell c) nucleus d) contractile vacuole e)digestive vacuole

4. Name the part of the body surface of the common amoeba where undigested food debris is expelled from the digestive vacuole.

a) mouth opening b) powders c) any place on the body surface

5.  At what point does the common amoeba leave the cyst shell?

a) when it changes its habitat b) when it engulfs food with its false legs c) when living conditions are favorable d) when it reproduces

6.State all manifestations of the biological significance of cyst formation in the common amoeba.

a) ensures the survival of the species under unfavorable conditions b) promotes amoeba dispersal c) ensures the survival of the species under unfavorable conditions and promotes amoeba dispersal

7. Identify the structural component that the common amoeba lacks.

a) nucleus b) contractile vacuole c) cytoplasm d) digestive vacuole e) protective membrane (cyst) f) flagellum g) false pedicel

8.The type of nutrition of the amoeba:

A)autotrophic b)heterotrophic c)autoheterotrophic

9.An amoeba reproduces by:

A) sexual b) asexual c) asexual and sexual

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