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WorksheetsBiology_XX_WA3 revision-nutri,transport in plants and blood
Total questions: 25
Worksheet time: 14mins
This is a substance that makes the cell wall very strong and impermeable.
starch
lignin
fibres
cellulose
The rate of transpiration decreases with an increase in
Sunlight
Temperature
Humidity
Wind
The food synthesised in the plants is transported through phloem in the form of
Sucrose
Starch
Glucose
Fats
A leafy shoot was placed in the apparatus shown. The rate of movement of the air bubble was measured.
Which change would make the air bubble move faster?
blowing dry air over the shoot
decreasing the air temperature around the shoot
increasing the humidity around the shoot
removing some leaves from the shoot
Is mature xylem alive or dead?
Alive
Dead
Stomata are made of specialized cells called ______ which surround a tiny pore/opening
stoma
guard cells
dermal cells
diffusion channels
Recall which of the following form part of the phloem.
Sieve-tube elements
Trachieds
Vessels
Companion cells
Four parts of a leaf are listed below.
(1) spongy mesophyll
(2) air space
(3) stoma
(4) xylem vessel
Which of the following correctly shows the route by which water from the leaf is lost into the atmosphere?
(1) → (2) → (3) → (4)
(1) → (2) → (4) → (3)
(4) → (1) → (2) → (3)
(4) → (3) → (2) → (1)
Recall that the movement of food in the phloem is called.
Translocation
Transpiration stream
Evaporation
Respiration
The majority of the stomata of a leaf can usually be found within the
guard cells
upper epidermis
lower epidermis
cuticle
Which number is pointing to the vein or vascular bundle of the leaf?
2
3
4
7
This layer of cells is where photosynthesis occurs within the leaf; there are air spaces within this layer
spongy mesophyll
palisade mesophyll
chloroplast
upper epidermis
Which cells are found in this micrograph?
red blood cells
lymphocyte
phagocyte
platelet
Which components of blood are found in a blood clot?
fibrin
fibrinogen
red blood cells
platelets
Which blood group can be a donor to a recipient with AB blood type?
A
B
AB
O
Which blood group can be a donor to a recipient with blood group O?
A
B
AB
O
