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MULTICELLULAR ORGANISMS
1.Which represent the main problems during the evolution from unicellular organisms to multicellular organisms
-Coordination between cells
-Transportation of food to whole cells
-Excretion of waste materials from the internal environment
-Formation of new organisms
Which of the following solve these problems?
A)By keeping the surface-volume ratio
balance.
B)Using energy more efficiently.
C)By living as a colony.
D)By developing systems.
E)By forming a cylindrical outer shape.
2.Why do scientist accept volvox as a transition to a multicellular organism?
A)Its cells are identical
B)There is coordination within cells
C)It reproduces sexually
D)They have flagella that provide movement
E)There are bonds between cells
3.Which of the following features of colonies composed of unicellular organisms can be observed only in complex organisms?
A)Individuals are contained within a
jelly substance.
B)Each individual provides its own food
C)There are individual groups which carry out different functions
D)They have flagella
E)Each individual has chlorophyll
4.Tissues are more efficient than the same amount of single cells.Why?
A)Cells are dependent
B)Cells are specialized
C)There is coordination and efficient use of energy
D)There is a good communication with both the internal and external
environment
E)Cells are similar both structurally and in shape
5.The death of some cells in a volvox colony doesnt influence other cells and colony life.
Which of the following is a good explanation for this?
A)Cells have highly developed ability
of adaptation
B)There is coordination between cells
C)Cells work for benefit of the colony
D)They can adopt to changes in environmental conditions
E)Cells are highly specialized
6.Multicellular organisms
1.have coordination between cells
2.have tissue structure
3.have organelles in their cells
Which of these features can be found in colonies composed of unicellular organisms?
A)Only 1
B)Only 2
C)Only 3
D)1&2
E)2&3
7.Which of the following is not an advantage of specialization of cells of an organism?
A)The ability to consume solid
particles
B)Having a huge body to regenerate
C)The loss of ability
D)Coordination between cells
E)The ability to use energy efficiently
8.Which of the following has a more complex structure than the others?
A)Volvox
B)Human brain
C)Rabbit
D)Chloroplast
E)DNA
9.For which reason do plants need a transport system?
A)Reproduction
B)Excretion
C)Irritability
D)Death
E)Photosynthesis
10.In comparison between Volvox and other simpler organisms,what kind of functions can be observed?
A)Growth
B)Development
C)Death
D)Irritability
E)Reproduction
11.Which of the following is correct order of evolution from simple to complex?
A)Amoebae-Euglena-Paramecium-Plasmodium
B)Paramecium-Euglena-Amoebae-Plasmodium
C)Paramecium-Amoebae-Euglena-Plasmodium
D)Euglena-Amoebae-Paramecium-Plasmodium
E)Amoebae-Plasmodium-Paramecium-Euglena
12.Which of the following is not an explanation that colonies like volvox are more developed than unicellular organisms?
A)Their energy loss is small
B)They have better protection than other organisms
C)They divide continiously and thats why they pass on their features
to the next generation
D)They are capable of regeneration
E)There is coordination between cells
13.Which of the following is the basic reason for formation of a multicellular organism from simple unicellular colonies?
A)Loss of cytoplasmic bands
B)After division,daughter cells live together
C)Cells are covered by a jelly coat
D)Adaptation to external conditions
E)Flagella working harmoniously
14.Volvox colony accumulate in lighter parts of water and carries out photosynthesis.
Which of the following describes the plant like features of volvox?
A)Reproductive cells are found within
the body
B)Chloroplast-carrying cells are found in external parts of the body
C)Somatic cells are in scattered positions
D)Cells which have flagella,are located in the external region
E)Cells are found in a jelly-like intercellular substance
15.What is the distinctive aspect of tissue that makes it different from a colony?
A)Specislized cell groups
B)No unicellular organisms
C)Cells have a similar function,structure and shape
D)Cells are indépendant from each other
E)Material transported from their surroundings
16.Which of the following is the
best explanation why a multicellular organism needs to tissues,organs
and organelles?
A)To form associations
B)To increase complexity
C)To support regeneration
D)To restore energy and substances
E)To maintain homeostasis
17.What is the basic difference between multicellular organisms and unicellular organisms?
A)Colonies are covered by a jelly
like substance
B)Coordination and hierarchy between individuals
C)Individual instinct by reflexes
D)Differentiation of unicellular organisms by a mutation from their
ancestors
E)Asexual reproduction
18.Young,simple organisms have a high ability of regeneration.In hydra,planaria,and sea urchins,cells change functionally and each piece form a new individual.Complex organisms can not form new individuals from a severed piece.
What is the reason why complex organisms can not reproduce by regeneration?
A)Development of systems in living
things
B)Increasing differentiation between specialized cells
C)Increase in dependence on each other between highly specialized cell
groups
D)Formation of different cell groups by specialized cells
E)Cells are unable to interact with external environment
19.Which of the following features differentiates a volvox colony from a simple colony?
A)Each cell has independent metabolic
activity
B)Cells are completely identical
C)They join together in a jelly substance and live together
D)They have individual groups that perform different functions
E)They transport food only from their environment
20.A drop
of water is added to a container which contains water and a volvox
colony.
According to this information,which of the following processes is
performed by the organelles listed.
A)Hetetrophic nutrition
B)Diffusion by a food vacuole
C)Photosynthesis using a Chloroplast
D)Active Transport using contractile vacuoles
E)Active movement using flagella
21.Which of the following reasons
causes efficient energy usage in multicellular organisms?
A)Having the chance of life and reproduction
B)Easy movement
C)Hetetrophic nutrition
D)Having a huge body
E)Coordination between cells
22.The advantages of being multicellular are grater than the disadvantages
Which of the followings supports this idea?
A)The evolution of organisms is from
unicellular to multicellular
B)Human beings are multicellular organism
C)Active Transport,Osmosis,Seeing,Hearing are peculiar to multicellular
organisms
D)Multicellular organisms have greater abilities than unicellular
organisms
E)Multicellular organisms have a larger and protected body
23.Which of the following is false for the specialization of cells?
A)The ability to use complex food
particles is provided
B)The electrochemical conduction of stimuli in a nerve cell is the
result of specialization
C)Besides their basic functions,specialized cells live with others
harmoniously
D)Differentiation within living things is decreased by specialization
E)The contraction and relaxation of muscles in response to an impulse
is a result of specialization.