More about photosynthesis — Question Bank (Cambridge) — Cambridge IGCSE Physics 0625 Revision Notes & Topical Questions

Cambridge Lower Secondary Stage 9

Question 1
Paper Ref: 0610/21_Winter_2018_Q12

The diagram shows a plant cell.
cell membrane
nucleus
chloroplast
Which type of cell is shown?
A cuticle cell
B_ epidermal cell
C_palisade mesophyll cell
D spongy mesophyll cell

Options:
A
B
C
D
Correct Key: C

Question 2
Paper Ref: 0610/12_Spring_2024_Q14

The diagram shows a plant cell.
cell membrane O Q vacuole
nucleus | 0
—re cell wall
‘|| ~~ cytoplasm
chloroplast O @
Which type of cell is shown?
A cuticle cell
epidermal cell
palisade mesophyll cell
oO Oo WW
spongy mesophyll cell

Options:
A
B
C
D
Correct Key: C

Question 3
Paper Ref: 0610/22_Winter_2013_Q8

The diagrams show a leaf cell before and after staining with iodine solution.
before staining after staining
green blue-black
colour change
Which substance causes the iodine solution to change colour?
>
chlorophyll
B protein
C_ reducing sugar
D
starch

Options:
A
B
C
D
Correct Key: D

Question 4
Paper Ref: 0610/21_Winter_2013_Q5

The diagrams show a leaf cell before and after staining with iodine solution.
before staining
green
colour change
after staining
Which substance causes the iodine solution to change colour?
A
B
c
chlorophyll
protein
reducing sugar
starch
blue-black

Options:
A
B
C
D
Correct Key: D

Question 5
Paper Ref: 0610/22_Winter_2009_Q9

The diagram shows a student’s drawing of guard cells.
Which labelling line is not correct?
A cell membrane
B cytoplasm
Cc stoma
D cell wall

Options:
A
B
C
D
Correct Key: A

Question 6
Paper Ref: 0610/13_Summer_2022_Q13

A student investigated one of the factors that affects photosynthesis.
Part of a leaf was covered with black paper, as shown.
black paper
After two days the student tested the leaf for the presence of starch.
Which factor did the student investigate?
carbon dioxide
chlorophyll
light
0 0O wD FY
oxygen

Options:
A
B
C
D
Correct Key: C

Question 7
Paper Ref: 0610/21_Summer_2026_Q10

The diagram shows a cross-section through a leaf.
What is the structure labelled X?
cuticle
A
B_palisade mesophyll
Cc
D
spongy mesophyll
stomata

Options:
A
B
C
D
Correct Key: A

Question 8
Paper Ref: 5129/12_Winter_2023_Q3

The diagram shows the cross-section of a leaf.
\
i
~
– 8;
\
Caan!
-as68
i)
= |
(Come)
PEN PEON
SU
KO :. ah ‘d
iw]
i) SS
ve
bors:
Once:
AY
Cat,
Al
ot
aS
‘2
OP
‘
g
\)
Which structure is correctly named and matched to its function?
function
palisade mesophyll transport of water
spongy mesophyll transport of water
stomata gas exchange between environment and leaf
vascular bundle gas exchange between environment and leaf

Options:
A
B
C
D
Correct Key: C

Question 9
Paper Ref: 0610/23_Winter_2021_Q3

The diagram shows two guard cells.
Which label is correct?
A cell membrane
B cell wall
LI
C vacuole
D cytoplasm

Options:
A
B
C
D
Correct Key: C

Question 10
Paper Ref: 0610/23_Summer_2011_Q16

What is formed first in a leaf as a result of photosynthesis?
A cellulose
B protein
C – starch
D
sugar

Options:
A
B
C
D
Correct Key: D

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