biology

1. which type of cell moves mucus?
a ciliated cell
begg cell
c guard cell
d_ root hair cell

2  astudent exposed a fly larva to light and temperature gradients.
they lit the area from one side and made one side of the area warmer than the other.
they traced the path of the fly larva’s movement.
warm
fly larva
s
: :
cold
path taken by
the fly larva
which statement describes the response of the fly larva?
a the fly larva does not respond to temperature or light intensity.
b_ the fly larva moves away from a higher temperature and a higher light intensity.
c_ the fly larva moves away from a higher temperature and towards a higher light intensity.
d_ the fly larva moves towards a higher temperature and away from a higher light intensity.

3. the table shows the scientific names and the common names of four plants.
althaea officinalis marsh mallow
hottonia palustris water violet
viola palustris marsh violet
viola tricolor wild pansy
which word is a genus name?
a marsh
b palustris
cc viola
d violet

4 the diagram shows an arthropod.
~ \ intas waa,
coat ot te cee
azgnisiss hr
a fz yp ii } \
) \
which group does this arthropod belong to?
a arachnid
b_ crustacean
c_ insect
d = myriapod

5 the diagram shows a plant cell.
which letter indicates the location of the cell membrane?
a me
@ yay b
) o c
d @
@

6 which magnification formula is correct?
a magnification = actual size + image size
b- magnification = actual size + image size
c_ magnification = image size + actual size
d_ magnification = image size x actual size

7 a frog is an animal. the skin of a frog is permeable to oxygen and carbon dioxide.
which directions will have a net diffusion of oxygen and carbon dioxide when a frog swims in
pond water?
from the frog from the water
into the water into the frog
a carbon dioxide oxygen
b carbon dioxide and oxygen no movement
cc oxygen carbon dioxide
d no movement carbon dioxide and oxygen

8 which statement about plant support is correct?
a_ the pressure of water inside the cells presses inwards on the cell walls.
b_ the pressure of water inside the cells presses outwards on the cell walls.
c_ the pressure of water outside the cells presses inwards on the cell walls.
d_ the pressure of water outside the cells presses outwards on the cell walls.

9  whatis a correct statement about active transport?
a_ particles move into cells, using energy released by photosynthesis.
b_ particles move across a cell wall without using energy.
c_ particles move from a region of higher concentration to a region of lower concentration.
d_ particles move across a cell membrane, using energy released by respiration.

10 asample of food was tested with biuret reagent.
which colour would be seen if the food sample contained protein?
a blue-black
b | brick red
c yellow-brown
d_ purple

11. which elements are found in fats?
a carbon, hydrogen and iron
b_ carbon, hydrogen and oxygen
c_ carbon, hydrogen and nitrogen
d_ carbon, oxygen and nitrogen

12 which statements about enzymes are correct?
1. enzymes are biological catalysts.
2 enzymes are carbohydrates.
3 enzymes have an active site.
a iand2 b 1and3 c 2and3 d = 3only

13 the equation for photosynthesis is shown.
weaeee laven pine deas sp qincose fp creer, sxees

which words correctly complete gaps 1, 2 and 3?
ee ee ee

a carbon dioxide light oxygen

b carbon dioxide water oxygen

cc oxygen light carbon dioxide

d oxygen water carbon dioxide

14 which carbohydrate is used to make cell walls?
a cellulose
b_ glycogen
c - starch
d_ sucrose

15 the diagram shows a cross-section of a leaf.
ssg
a ee ar it 4 i
gee
x—_ lle cq)
: 228:
| peis
y cls oe
“qos cale
alga
cede hme
gsbos
oe | aco sss!
z
which row shows the correct labels?
palisade spongy
| ets | mason | seme

a x y z

b x z y

cc y x z

d ¥ z xx

16 the table shows some of the nutrients found in yoghurt.
carbohydrate 6.90
protein 4.80
fat 1.50
calcium 0.16
one serving size of yoghurt is 150g.
one of the nutrients in the yoghurt is required for healthy bones and teeth.
what is the mass of this nutrient in one serving of yoghurt?
a 0.24g b 2.25g c 7.20g d 10.35g

17 the diagram shows the alimentary canal and some of the associated organs in a cat. the
alimentary canal of a cat is similar to that of a human.
1 2
| |
4 3

which row identifies the structures labelled 1-4?
ee

a oesophagus anus large intestine liver

b oesophagus large intestine small intestine stomach

cc trachea anus large intestine stomach

d trachea large intestine | small intestine liver

18 the diagram shows the four types of teeth in a human jaw.
dg? & es top view
dee; 7 side view
3s \/ v a
y\ |
3 1 4 2
1 4 2
which row correctly identifies all four types of teeth?
ee ee
a canine incisor molar premolar
b canine molar incisor premolar
cc premolar incisor molar canine
d premolar molar incisor canine

19 what are the products of protein digestion in the stomach?
a amino acids
b fatty acids
c glycerol
d_ proteases

20 where is water absorbed?
a_ colon and small intestine
b large intestine only
c gall bladder and colon
d_ small intestine only

21 the diagram shows a cross-section of a stem.
r
alo
© d ss
ab

which statement correctly describes the location and function of phloem?
a structure r is phloem and transports amino acids and starch.

b_ structure s is phloem and transports amino acids and starch.

c_ structure r is phloem and transports amino acids and sucrose.

d structure s is phloem and transports amino acids and sucrose.

22 some environmental factors are listed.
1 carbon dioxide concentration
2 temperature
3 oxygen concentration
4 wind speed
which factors directly affect the rate of transpiration?
a iand3 b 1and4 c 2and3 d 2and4

23 the diagram shows part of a blood vessel.
key
— direction of
blood flow

which evidence in the diagram shows that it is a vein and not an artery?
a there is a valve inside the blood vessel.
b_ blood is flowing in an upwards direction.
c_ the blood vessel has a relatively small lumen.
d_ the blood vessel has a relatively thick wall.

24 the photomicrograph shows two blood cells.
what is the function of these cells?
a __tocarry out phagocytosis
b_ to produce antibodies
c to transport oxygen
d to transport vitamins

25 which row matches a gas in expired air with a substance that can be used to test for the
presence of that gas?
expired air
a carbon dioxide dcpip
b carbon dioxide limewater
cc oxygen dcpip
d oxygen limewater

26 which graph shows how temperature affects the rate of anaerobic respiration in yeast?
a b
anaerobic anaerobic
respiration respiration
rate rate
0 50 0 50
temperature /°c temperature /°c
cc d
anaerobic anaerobic
respiration respiration
rate rate
0 50 0 50
temperature /°c temperature /°c

27 what is the pathway of a reflex arc from the receptor to the effector?
a motor neurone > relay neurone — sensory neurone
b- motor neurone > sensory neurone —> relay neurone
c_ sensory neurone — motor neurone —> relay neurone
d_ sensory neurone —> relay neurone > motor neurone

28 what is an effect of adrenaline secretion?
a_ decreased breathing rate
b_ decreased pupil diameter
c_ development of secondary sexual characteristics
d_ increased heart rate

29 what is phototropism?
a absorbing mineral ions
b_ absorbing water
c_ directional growth in response to gravity
d_ directional growth in response to light

30 a gardener wants to grow some new plants that are identical to plants that she already has.
which method of reproduction is used, and how many parents are needed for her to grow some
new identical plants?

method of number of
reproduction parents needed
a asexual one
b asexual two
cc sexual one
d sexual two

31 what must always be present for seeds to germinate?
a chlorophyll
b light
c soil
d_ water

32 what is a flagellum?
aa ball of cells that implants into the lining of the uterus
bacell structure that releases energy
c_ acell that forms after the sperm cell fuses with the egg cell
dan adaptive feature used for movement of sperm cells

33 which word describes a fertilised cell?
a acrosome
b- embryo
c gamete
d = zygote

34 which secondary sexual characteristic is caused by both testosterone and oestrogen?
a breast development
b_ changes in body shape
c growth of facial hair
d sudden deepening of voice

35 some ways that diseases can be transmitted are listed.
1 airborne droplets
2 blood and needles
3. food and drink
4 unprotected sex
which ways can transmit hiv?
a iand3 b 1 only c 2and4 d 4only

36 what do genes code for?
a fats
b proteins
c _ starch
d_ sugars

37 when white-flowered pea plants are crossed with red-flowered pea plants, the offspring plants all
have red flowers.
if these offspring plants are crossed, the next generation of plants contains both red-flowered and
white-flowered plants.
which statement explains this?
a_ the allele for red flowers is dominant, and the offspring plants are heterozygous.
b_ the allele for red flowers is dominant, and the offspring plants are homozygous.
c_ the allele for red flowers is recessive, and the offspring plants are heterozygous.
d_ the allele for red flowers is recessive, and the offspring plants are homozygous.

38 what is a description of an adaptive feature?
a _aninherited characteristic that helps an organism to survive and reproduce
b the differences between individuals of the same species
c_ the genetic make-up of an organism
d_ the transmission of information from generation to generation

39 which diagram shows a pyramid of biomass for the food chain shown?
key oo l]
tree ——» caterpillar ——» bird
a b
cc d

40 which statement about conservation is correct?
a_ captive breeding programmes can be used to conserve endangered species.
b_ climate change is reducing the number of species that are endangered.
c_ habitat protection increases the number of species that are endangered.
d_ sustainable resources are those that are used more rapidly than they are replaced.

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