Cell
structure and function
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Multiple
choice question
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(1- marks
each)
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le Cell was discovered by :
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i.
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Louis Pasteur ii. Robet hook
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iii. Fleming iv. none of these
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2.
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These are the structural and
functional units of life:
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i.
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Tissue
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ii. Cell
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iii. Organ
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iv. Organism
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3.
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An example of a unicellular cell:
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i.
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Euglena
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ii. Tapeworn
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iii. Grasshopper
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iv. All of these
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4.The smaller cell is :
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i. Mycoplasma
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ii. Ant
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iii. Algae
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iv None of these
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5.The
smallest cell is found in :
i.WBC ii. RBC iii.
Platelets iv. All of these 6.The large animal cell is :
i.
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Ostrich egg
ii.Hen’s egg iii.Snake’s egg iv.None of these
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7.Cell
that change their shape continuously:
i.Amoeba ii.WBC iii.Snake’egg iv. None of
these 8.The outermost covering of the body of the cell is called :
i.
Cell membrane ii. Cytoplasm iii. Nucleus iv. None of these fill in the blanks :
i.Locomotory organ in
paramoecium are……… .
ii.Vacloroplasts
are present in ………..cell.
iii.Choloroplasts
are present in…...…...cell.
iv.……….is
a filamentous algae with identical cell.
i.Cell wall is made of…………
.
ii.Mitochondria
contain………..that are needed for respiration
iii.All cell arise from
……….. Cell only
iv.Cell
were first observe in cork by ……….
v.………….
Is seperated from cytoplasm by a nuclear memorane.
vi.Green plastids
containing chlorophyll are called……. .
VERY SHORT ANSWER QUESTION
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(1MARKS EACH)
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1.Name
two unicellular organisms ?
2.Name
two Multicellular organisms ?
3.Name
a cell which can be seen by an unaided eye ?
4.Name
the structural unit of an organism ?
5.Who
discovered the cell and when ?
6.Name
the part of cell which help in control of the activities ?
7.Write
the name of unit of inheritance in livings ?
8.Which
part of the cell gives the shape to a cell ?
9.What
is protoplasm ?
10.Name two cells which can
change their shape ?
SHORT ANSWER QUESTION
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(2 MARKS EACH)
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1.Why is the mitochondria called the
‘powerhouse’ of the cell?
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2.What is the function of
chloroplast?
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3.Write the function of the
cell wall? 4.What are the chromosomes?
5.How do unicellular
organism differ from multicellular organism? 6.Distinguish between prokraryotic
cells and eukaryotic cells? 7.Distinguish between plant cell and animal cell?
8.What is plastids?write
their function?
9.Why could cells not be
observed before 17th century ? 10.Cells are the building blocks of
the life ?
ANSWER THESE QUESTION
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(3 MARKS EACH)
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1.Explain the structure of
a cell ?
2.Explain
the structure of onion cell with the help of a slide ?
3.Write
the functions of mitochondria, golgi bodies and ribosomes ?
4.Explain
prokaryotic and eukaryotic cells ?
5.What is gene ? What is
its function ?
Long answer
question:
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(5 marks
each)
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1.Draw well labelled
diagram of animal cell and plant cell?
2.Draw different types of
cell in humans?
3.Draw
plant and animal cell according to their parts?
4.Make
a sketch of the human nerve cell. What function do nerve cell perform?.
5.Draw the structure of a
cell observed in an onion peel?write the function of cell wall, cell membrane
ands cytoplasm?
