Download 2.1 Cells and simple cell transport

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2.1Cells and Simple Cell Transport
Q1.
The diagram shows a group of muscle cells from the wall of the intestine.
(a)
On the diagram, use words from the box to name the structures labelled A, B and C.(3)
cell membrane
(b)
cell wall
chloroplast
cytoplasm
nucleus
How are these muscle cells adapted to release a lot of energy?
.....................................................................................................................................
.....................................................................................................................................
..................................................................................................................................... (2)
(Total 5 marks)
Q2.
Diagram 1 shows a cell from a leaf.
Diagram 1
(a)
How is the leaf cell specialised to carry out photosynthesis?
Tick ( ) one box.
It has a permanent vacuole.
It has many chloroplasts.
It has cytoplasm.
It has many mitochondria.
(1)
(b)
Diagram 2 shows another type of plant cell.
Page 1
Diagram 2
Give two ways in which this cell is different from an animal cell.
1 ..................................................................................................................................
.....................................................................................................................................
2 ..................................................................................................................................
..................................................................................................................................... (2)
(Total 3 marks)
Q3. The drawing shows an animal cell, seen at a very high magnification using an electron
microscope.
(a)
(i)
Label a mitochondrion [plural = mitochondria].
(ii)
What happens in the mitochondria?
(1)
.......................................................................................................................... (1)
(b)
(i)
Name and label the structure where you would find chromosomes.
(ii)
What are chromosomes made of?
(1)
.......................................................................................................................... (1)
(c)
What controls the rate of chemical reactions in the cytoplasm?
.................................................................................................................................... (1)
(Total 5 marks)
Q4.
The diagram shows a bacterium.
Page 2
(a) On the drawing, name the structures labelled A, B, C and D.
(4)
(b) Name one type of cell, other than a plant cell, which also has a cell wall.
....................................................................................................................................
(1)
(Total 5 marks)
Q5.
(a)
The diagrams show cells containing and surrounded by oxygen molecules.
Oxygen can move into cells or out of cells.
Into which cell, A, B, C or D, will oxygen move the fastest?
Write your answer, A, B, C or D, in the box.
(b)
(1)
Draw a ring around the correct word to complete each sentence.
diffusion
(i)
Oxygen is taken into cells by the process of
osmosis
.
respiration
(1)
breathing
(ii)
Cells need oxygen for
photosynthesis
.
respiration
Page 3
(1)
membranes
(iii)
The parts of cells that use up the most oxygen are the
mitochondria
.
nuclei
(1)
diffusion
(iv)
Some cells produce oxygen in the process of
photosynthesis
.
respiration
(1)
(Total 5 marks)
Q6.
The drawing shows part of a root hair cell.
(a)
Use words from the list to label the parts of the root hair cell.
cell membrane
cell wall
cytoplasm
nucleus
vacuole
(4)
(b)
The diagram shows four ways in which molecules may move into and out of a cell. The
dots show the concentration of molecules.
The cell is respiring aerobically.
Which arrow, A, B, C or D represents:
(c)
(i)
movement of oxygen molecules;
....................
(ii)
movement of carbon dioxide molecules?
....................
(2)
Name the process by which these gases move into and out of the cell.
..................................................................................................................................... (1)
(Total 7 marks)
[Total 30 marks]
Page 4
Page 5
Mark Scheme
M1.
(a)
A
nucleus
1
B
(cell) membrane
1
C
cytoplasm
1
(b)
any two from:
•
(contain mitochondria
•
many (mitochondria)
•
respiration (occurs in mitochondria)
2
[5]
M2.
(a)
it has many chloroplasts.
1
(b)
(has) cell wall
1
(has) vacuole or large / permanent vacuole
do not allow chloroplasts
assume plant cell throughout
accept converse for animal cell
1
[3]
M3.
(a)
(i)
award 1 mark for any of the mitochondria correctly labelled if a
number are labelled and one is incorrect award 0 marks
1
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(ii)
respiration or the release or transfer
of energy or it contains the enzymes
for respiration
do not accept energy produced
1
(b)
(i)
nucleus (named and correctly
labelled)
arrow or line must touch or go inside the nuclear membrane
1
(ii)
DNA or genes or nucleic acids
accept protein or histones or nucleotides or ATGC
1
(c)
enzymes or nucleus
do not accept factors that affect the rate rather than control it eg
pH or temperature
1
[5]
M4. (a)
A – cell membrane
1
B– cytoplasm
1
C– genes / genetic material / chromosome
1
D – cell wall
1
1
(b) Algal or yeast
M5.
(a)
A
1
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[5]
(b)
(i)
diffusion
1
(ii)
respiration
1
(iii)
mitochondria
1
(iv)
photosynthesis
1
[5]
M6.
(a)
(cell) wall
(cell) membrane
cytoplasm
vacuole
for 1 mark each
4
(b)
(i)
A
(ii)
B
for 1 mark each
2
(c)
diffusion
(reject osmosis)
for 1 mark
1
[7]
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