KUULCHAT
SCIENCE MOCK
OBJECTIVE TEST
1.
Which of the following features is shown by plants only?
A.
Feeding
B.
Growth
C.
Transpiration
D.
Reproduction
E.
Respiration
Answer: C
2.
In what units are work and energy measured?
A.
work in joules, energy in watts
B.
work in joules, energy in joules
C.
work in newtons, energy in joules
D.
energy in watts, work in watts
E.
energy in newtons, work in joules
Answer: B
3.
Brine is a saturated solution of
A.
sodium chloride and carbon dioxide
B.
calcium carbonate and water
C.
sodium chloride and water
D.
calcium carbonate and kerosene
E.
magnesium and water
Answer: C
4.
Which of the following statements about aerobic respiration is correct?
A.
The by-product are carbon dioxide and water.
B.
Little amount of energy is produced.
C.
Oxygen is not required.
D.
The by-products are alcohol and carbon dioxide.
Answer: A
5.
A substance which cannot be broken down into simpler substances is called
A.
a molecule
B.
a compound
C.
an element
D.
a mixture
E.
an atom
Answer: E
6.
One hectare is equivalent to
A.
100 m2
B.
1,000 m2
C.
10,000 m2
D.
100,000 m2
E.
1,000,000 m2
Answer: C
7.
The space occupied by matter is its
A.
area
B.
length
C.
radius
D.
width
E.
volume
Answer: E
8.
The number of hydrogen atoms present in two molecules of water is
A.
1
B.
2
C.
3
D.
4
E.
5
Answer: D
9.
The fixed point of a lever at which turning takes place is the
A.
pivot
B.
effort
C.
load
D.
handle
E.
machine
Answer: A
10.
The structure which helps a fish to breath under water is the
A.
gill.
B.
air sac.
C.
operculum.
D.
mouth.
Answer: A
11.
Which of the following statement(s) is/are true of a shadow? A shadow is formed
I. by a transparent object,
II. by an opaque object,
III. on a screen.
A.
I only
B.
II only
C.
I and III only
D.
II and III only
Answer: D
How Shadows Are Formed
An opaque object blocks the light falling on it. This creates an area of darkness on the side of the object away from the source of light.
A translucent object also creates a faint area of darkness.
An area of darkness formed by an opaque object obstructing light is called a shadow.
The following three things are required for a shadow to form:
1. a source of light
2. an opaque object
3. a screen or surface behind the object.
12.
Which of the following parts of the human body are sense organs?
I. Tongue
II. Hair
III. Nose
IV. Skin
A.
I and IV only
B.
II and III only
C.
I, II and III only
D.
I, III and IV only
E.
I, II, III and IV
Answer: D
13.
Which of the following devices converts electrical energy into sound energy?
A.
Electric heater
B.
Electric fan
C.
Washing machine
D.
Loudspeaker
Answer: D
14.
The image formed by a plane mirror is always
A.
real.
B.
magnified.
C.
inverted.
D.
virtual.
Answer: D
Characteristics of an image formed by a plane mirror
The image:
1. has same size as object
2. is virtual
3. is laterally inverted
4. distance equal to the object distance from the mirror
5. is erect or upright
15.
Energy stored in food is referred to as
A.
chemical energy.
B.
heat energy.
C.
solar energy.
D.
kinetic energy.
Answer: A
16.
The energy transformation that takes place in a solar cell is
A.
light to chemical.
B.
light to electrical.
C.
electrical to heat.
D.
electrical to light.
Answer: B
Light energy is converted into electrical energy.
17.
The fraction of the earth's surface that faces the sun at any particular time is
A.
B.
C.
D.
E.
Answer: C
Since the Earth is a Spheroid shape, (not a true sphere) 50% of its surface faces the Sun, at any given moment.
18.
The part of air which supports burning is
A.
nitrogen
B.
inert gas
C.
water vapour
D.
oxygen
E.
carbon dioxide
Answer: D
19.
It is easier to move a heavy load with a crowbar when the
A.
effort distance is shorter than the load distance.
B.
effort distance is longer than the load distance.
C.
effort distance is equal to the load distance.
D.
effort is equal to the load.
Answer: B
20.
A metre rule can be used for measuring the
A.
volume of a liquid.
B.
area of a ball.
C.
length of a table.
D.
diameter of a wire.
Answer: C
21.
Blood is prevented from flowing back into the veins by the
A.
arteries.
B.
capillaries.
C.
heart.
D.
valves.
Answer: D
22.
Water drains faster through sand than clay because
A.
sand particles are rougher.
B.
sand contains more air spaces.
C.
clay particles are smoother.
D.
clay particles are bigger.
Answer: B
23.
A mixture of alcohol and water can best be separated by
A.
filtration.
B.
condensation.
C.
distillation.
D.
evaporation.
Answer: C
Distillation is the process of separating the components of a liquid mixture through selective evaporation and condensation. The basis of separation is the difference in the vapor pressures (volatilities) of the respective components.
24.
Which of the following structures regulate the amount of light that enters the eye?
A.
Choroid
B.
Cornea
C.
Iris
D.
Lens
E.
Retina
Answer: C
25.
The farming system that makes effective use of available soil nutrients in a growing season is
A.
crop rotation.
B.
land rotation.
C.
mixed cropping.
D.
mixed farming.
Answer: A
26.
Global warming is caused by the
A.
circulation of oxygen in the atmosphere.
B.
excessive release of carbon dioxide into the atmosphere.
C.
release of hydrogen into the atmosphere.
D.
circulation of nitrogen in the atmosphere.
Answer: B
27.
A food web shows how
A.
food produce by plants is distributed to other parts of the plant.
B.
an organism protects itself in its environment.
C.
organisms depends on one for shelter.
D.
food produced by green plants is distributed among organisms in a community.
Answer: D
28.
Which of the following planets may be seen as a bright star in early mornings or evenings?
A.
Jupiter
B.
Mars
C.
Saturn
D.
Uranus
E.
Venus
Answer: E
29.
The part of the human ear which collect and direct sound waves is the
A.
ear drum.
B.
ear lobe.
C.
ear canal.
D.
semi circular canal
Answer: C
30.
Which of the following instruments is connected in parallel across a resistor in an electrical circuit?
A.
Ammeter
B.
Voltmeter
C.
Ohmmeter
D.
Galvanometer
Answer: B
Voltmeter: is used to measure the potential difference between two points in an electrical circuit and its connected in parallel in an electric circuit
Ammeter: is used to measure the electric current in an electric circuit and it is connected in series in an electric circuit
Galvanometer: is used to detect the presence of small electric current and voltage and its connected in series
Ohmmeter: is used to measure the electrical resistance
31.
Which of the following practices in the home can prevent disease infection?
A.
Covering one's food
B.
Drinking unclean water
C.
Keeping one's surrounding untidy
D.
Sharing towels and sponges
Answer: A
32.
The following products, X,Y,Z and W have masses 0.05 kg, 50 mg, 500 g and 0.05 g respectively.
Use this information to answer the question below.
If all the products have equal volumes, which of the product (s) would have the highest density?
A.
X
B.
Y
C.
Z
D.
W and X
Answer: C
Density =
If the volume is constant (the same), the higher the mass, the higher the density since volume is dividing.
Convert all the masses to the same unit and pick the product with the highest mass.
Let's change all the masses to grams (g)
To change kilogram (kg) to gram, you must multiply by 1000
To change milligram (mg) to gram, you must divide by 1000
Product X mass = 0.05 kg = 0.05 x 1000 g = 50 g
Product Y mass = 50 mg = = 0.05 g
Product Z mass = 500 g
Product W mass = 0.05 g
The highest mass is 500 g for product Z, hence product Z will have the highest density.
33.
It is not advisable to use old electrical gadgets because they
A.
are not efficient.
B.
are dangerous.
C.
produce sparks.
D.
waste energy.
Answer: D
Old devices use much more energy than new models
34.
The knowledge of soil texture is important because it
A.
influence plant population.
B.
determines the planting distance.
C.
determines the type of plant to be grown.
D.
influence the method of pest control.
Answer: C
35.
The type of energy stored in food is referred to as
A.
chemical energy.
B.
electrical energy.
C.
heat energy.
D.
kinetic energy.
E.
light energy.
Answer: A
36.
The energy that causes the turbine of hydro-electric plant to rotate is
A.
chemical energy.
B.
potential energy.
C.
electrical energy.
D.
kinetic energy.
E.
heat energy.
Answer: D
Kinetic energy is the energy a body possesses by virtue of its motion.
37.
The number of elements in the compound Ca(OH)2 is
A.
2
B.
3
C.
4
D.
5
Answer: B
The elements are Calcium (Ca), Oxygen (O) and Hydrogen (H)
38.
The following effects are as a result of soil erosion except
A.
increase in bushfires.
B.
weakening support of plants.
C.
loss of important minerals to plants.
D.
weakening of support of buildings.
Answer: A
39.
A liquid-liquid mixture can be seperated by
A.
filtration
B.
evaporation
C.
sublimation
D.
distillation
Answer: D
Fractional distillation or distillation is a method for separating a liquid from a mixture of two or more liquids. For example, liquid ethanol can be separated from a mixture of ethanol and water by fractional distillation.
40.
Kerosene and petrol are obtained from crude oil by
A.
condensation of the crude oil
B.
decantation of the crude oil
C.
distillation of the crude oil
D.
evaporation of the crude oil
E.
filtration of the crude oil
Answer: C
THEORY QUESTIONS
1.
a)
In an experiment the surfaces of three iron nails were cleaned dry and placed in three separate test tubes A, B and C as shown in the diagram.
Study the diagram carefully and answer the questions that follow.
After three days the nail in the test tube A was found to have rusted while the nail in test tubes B and C did not rust.
i)
Suggest an aim for the experiment.
ii)
Why was the water in test tube B boiled?
iii)
State the function of the oil on top of the water in test tube B.
iv)
What is the purpose of the calcium chloride in test tube C?
v)
Why did the nail in test tube A rust?
vi)
Why did the nail in test tube
α)
B not rusted?
β)
C not rusted?
vii)
From the experiment, explain why oil is applied on the surface of a metal to prevent rusting.
b)
In an experiment, the following activities were carried out on two green leaves A and B.Leaf A was taken from a plant placed in the sunlight for some time while leaf B was taken from a plant placed in a dark cupboard for 24 hours.
Activity
I. Leaves dipped in boiling water for 1 minute;
II. Leaves dipped in warm alcohol;
III. Leaves washed in cold water;
IV. Leaves dipped in iodine solution.
After dipping in the iodine solution, it was observed that leaf A changed colour.
Study the activities carefully and answer the questions that follow.
i)
Suggest an aim for the experiment.
ii)
Explain briefly why each of the following activities were carried out:
(α) I;
(β) II;
(γ) III.
iii)
State the colour change of leaf A.
iv)
Explain why leaf A changed colour?
v)
Why is it necessary to de-starch the plant before starting the experiment?
vi)
From the above experiment, what conclusion(s) can be drawn.
c)
You are provided with two dry soil samples A and B, a measuring cylinder, beakers, funnels, filter paper, beam balance, stop watch and water. With the aid of a labelled diagram, describe an experiment to find out which of the two soil samples can hold more water.
d)
The diagram below is an illustration of an experiment that was carried out. In the experiment three pins 1, 2 and 3 were fixed with candle wax onto a metal bar and one end of the bar was heated by means of boiling water. A, B and C are thermometers inserted in holes along the bar to measure the temperature at the various points.
Study the diagram carefully and answer the questions that follow.
i)
Suggest an aim for the experiment.
ii)
What is the temperature of the boiling water?
iii)
State the observation that would be made about the pins 1, 2 and 3.
iv)
State the observation that would be made about the temperatures recorded by the thermometers A, B and C.
v)
State how heat from the sun is transmitted to the earth.
a)
i)
Aim of experiment
Experiment to prove that both air and water are necessary for rusting of iron or experiment to determine the conditions necessary for the rusting of iron.
ii)
Reason for boiling the water in test tube B
To remove dissolved air.
iii)
Function of oil on top of the water in test tube B
The oil prevents the entering of air into the water.
iv)
Purpose of calcium chloride in test tube C
To remove or absorb all the moisture/water vapour present in the air in test tube C.
v)
Reason why the nail in test tube A rusted
Because of the presence of air and water.
vi)
α)
Reason why the nail in test tube B did not rust
Because of the absence of air (Only water was present)
β)
Reason why the nail in test tube C did not rust
Because of the absence of water (Only air was present / air is dry)
vii)
Reason why oil is applied to surface of metal to prevent rusting
It prevent air/moisture from coming into contact with the metal
b)
i)
To prove that sunlight is necessary/important for photosynthesis.
ii)
Reasons for Activity I, II and III
I → To kill cells/stop photosynthesis process.
II → To remove green pigment/chlorophy.
III → To wash off the alcohol/soften the leaf.
iii)
Color change of leaf A
Turned blue-black
iv)
Reason for colour change
Present of starch/starch produced
v)
Reason for de-starching plant
To remove the existing starch from the leaves before the experiment otherwise both leaves would show the presence of starch or the will be no control experiment.
vi)
Conclusion
It can be concluded that sunlight is necessary for the process of photosynthesis.
c)
Experiment to find out which soil sample holds more water
1. The same mass of samples A and B are weighed with a beam balance.
2. Each samples is poured into a separate funnel fitted with a filter paper and placed over a beaker.
3. The same volume of water is measured using the measuring cylinder and poured on each of the soil samples.
4. The water is allowed to drain out completely from each set-up.
5. The soil sample in the set-up with the least drained-out water is the one that can hold more water.
6. The soil sample in the set-up with the most drained-out water is the one that cannot hold more water.
d)
i)
Aim of the experiment
To show that heat (energy) is transferred through metals/solids by conduction
ii)
Temperature of boiling water
100oC
iii)
The pins fall off as the wax melt.
iv)
A will have the highest temperature followed by B and C is the least (Temperature A > Temperature B > Temperature C)
v)
How heat is transmitted from the sun to earth
Heat is transmitted from the sun to the earth through radiation
2.
(a)
(i)
Explain the term balanced diet.
(ii)
Name any two classes of food which should be present in a balanced diet.
(iii)
Give one function of each class of food named in (a) (ii) above.
(b)
An object is placed in front of a pinhole camera as shown in the diagram below:
Draw in your answer book a ray diagram (not to scale) to show how the image is formed on the screen of the camera.
(c)
State the two laws of reflection of light
(d)
(i)
Describe how ions are formed from atoms.
(ii)
State two differences between a proton and an electron.
(a)
(i)
Balanced diet is a diet that contains all the essential food nutrients in the right proportions.
(ii)
Classes of food which should be present in a balanced diet
1. Carbohydrates
2. Proteins
3. Fats and oils
4. Vitamins
(iii)
Protein helps to build and repair the worn out tissues in the body
Carbohydrate gives the body the energy it needs
Fats and oils provide energy for the body
Vitamins protect the body from diseases
(b)
(c)
Laws of reflection
1. The incident ray, the reflected ray and the normal at the point of incidence all lie in the same plane
2. The angle of incidence is equal to the angle of reflection
(d)
(i)
How ions are formed from atoms
1. Ions are formed when an atom gains or loses an electron
2. When an atom gains an electron, the number of electrons becomes greater than the number of protons and so a negative ion (Anion) is formed
3. When an atom loses an electron, the number of protons becomes greater than the number of electrons and so a positive ion (Cation) is formed
(ii)
Differences between a proton and an electron
| Proton | Electron |
| Has positive charge | Has negative charge |
| Is located inside the nucleus | Is located outside the nucleus |
| Is more massive/heavier/denser | Is less massive/lighter |
3.
a)
i)
What is a magnetic field?
ii)
Name two methods of making magnets.
b)
Explain briefly the term teenage pregnancy.
c)
Write the formula for each of the following compounds:
i)
calcium chloride;
ii)
copper (I) oxide;
iii)
nitrogen (IV) oxide;
iv)
ammonia.
d)
i)
List three physical properties of soil.
ii)
What is the texture of clayey soil?
a)
i)
Magnetic field is a region/area around a magnet/moving electric charge within which the force of magnetism acts/can be felt/experienced
ii)
Methods of making magnets
1. By induction
2. By stroking
3. By the use of electricity
4. By hammering/hitting
b)
Teenage Pregnancy
When a girl under the age of 20 conceives/takes seed or when a female/girl under the age of 20 gets pregnant
c)
i)
calcium chloride → CaCl2
ii)
copper (I) oxide → Cu2O
iii)
nitrogen (IV) oxide → NO2
iv)
ammonia → NH3
d)
i)
Physical properties of soil
1. Texture
2. Structure
3. Temperature
4. Colour
5. Permeability
6. Water
7. Capillarity
8. Organism
9. Drainage
10. Air
11. Strength/consistence
12. Porosity
ii)
Texture of clayey soil
It is smooth/slippery/sticky when wet
4.
(a)
A student who went to bed immediately after eating complained of stomach upset the next morning. A doctor prescribed a liver salt, whose major composition is NaHCO3 as the medication.
Using a balanced chemical equation, explain how the liver salt would relieve the student from this discomfort.
(b)
Fig. 4 is an illustration of a body of mass 20 kg placed on top of a wall of height 10 m.
Calculate the energy of the body.
(c)
(i)
Define the term light emitting diode (LED).
(ii)
Mention two devices that use LED in their operation.
(d)
A student was tasked to prepare a raised nursery bed for nursing tomato seeds:
(i)
Suggest two simple tools that could be used in the nursery bed preparation;
(ii)
State one function each of the tools listed in (d(i).
(e)
(i)
State three observable features of an animal cell.
(ii)
State two functions of a nerve cell.
(a)
Reaction between liver salt (NaHCO3) and hydrochloric acid
Acid in the stomach is hydrochloric acid (HCl)
HCl + NaHCO3 → NaCl + H2O + CO2
The liver salt is a base and will neutralize the acid in the stomach to ease the student of the pain.
(b)
Potential Energy (P.E) = Mass (m) x Acceleration due to gravity (g) x Height (h)
Mass = 20 kg
Acceleration due to gravity = 10 ms-2
Height = 10 m
Potential Energy (P.E) = 20 x 10 x 10 = 2000 J or 2kJ
Note: Mark is deducted for answer without unit (J)
(c)
(i)
Light emitting diode (LED) is a device that emits light when an electric current is passed through it.
(ii)
Devices that use LED in their operation
1. Traffic lights
2. Smart phone screens
3. Aviation lights
4. Digital watch
(d)
(i)
Tools that could be used in the raised nursery bed preparation
1. Rake
2. Hoe
3. Shovel
4. Garden fork/digging fork
5. Watering can
(ii)
Function of the tools
1. Rake → For levelling the soil
2. Hoe → For digging/gathering/weeding
3. Shovel → For scooping/fetching/moving soil
4. Garden fork/digging fork → For digging/levelling/breaking lumps
5. Watering can → For watering
(e)
(i)
Observable features of an animal cell
1. Mitochondrion
2. Cytoplasm
3. Nuclear membrane
4. Lysosome
5. Irregular shape
(ii)
Functions of a nerve cell
1. Release chemical regulators
2. Respond to physical and chemical stimuli
3. Transmits electrical impulses/messages
5.
a)
Write the systematic name for each of the following compounds.
i)
H2O;
ii)
MgO;
iii)
CaO;
iv)
CaCl2.
b)
Name the instrument used in measuring the following:
i)
Length of a rope;
ii)
Mass of a stone;
iii)
Temperature of a liquid;
iv)
Volume of a liquid.
c)
List three factors that influence vegetable crop production.
d)
Name four stages in the cycle of a flowering plant.
a)
Systematic names
i)
H2O → Water/dihydrogen monoxide/hydrogen oxide
ii)
MgO → Magnesium oxide
iii)
CaCO → Calcium oxide
iv)
CaCl2 → Calcium chloride
b)
Measuring instruments
i)
Length of a rope → Metre rule/tape measure/ruler/surveyor's tape
ii)
Mass of a stone → Beam balance/chemical balance/top pan balance/electronic balance
iii)
Temperature of a liquid → Thermometer
iv)
Volume of a liquid → Volumetric flask/pipette/graduated cylinder/measuring cylinder/burette/graduated beaker
c)
Factors that influence vegetable crop production
1. Slope of land/topography
2. Water/water supply or quality
3. Crop/variety selection
4. Market development
5. Soil type/quality/fertile soil
6. Method of propagation
7. Cultural practices(or any named cultural practice)
8. Harvesting
9. Weather conditions
10. Storage
11. Disease (control)
12. Processing
d)
Stages in the cycle of a flowering plant
1. Seed/fruit formation
2. Germination
3. Reproduction
4. Pollination
5. Seed spreading/dispersal
6. Flowering
7. Fertilization
8. Maturation of fruit or Seed
9. Seedling
10. Growth/maturation/matured plant
6.
(a)
Define the following terms and give one example of each:
(i)
Element
(ii)
Mixture
(iii)
Compound
(b)
Explain the following terms:
(i)
Work
(ii)
Energy
(c)
State the units in which each of the following are measured:
(i)
Power
(ii)
Energy
(iii)
Electric current
(iv)
Temperature
(d)
A body of mass 100 kg is placed at a point 2 m above the ground. What is the potential energy of the body with reference to the ground?
[Take g = 10 ms-2]
(e)
State three characteristics of each of the following:
(i)
An insect pollinated flower
(ii)
A wind pollinated flower
(a)
(i)
An element is a substance that cannot be broken down/split into simpler substances by any known chemical means.
Examples of elements (First 20 elements)
| Atomic Number | Element | Symbol |
| 1 | Hydrogen | H |
| 2 | Helium | He |
| 3 | Lithium | Li |
| 4 | Beryllium | Be |
| 5 | Boron | B |
| 6 | Carbon | C |
| 7 | Nitrogen | N |
| 8 | Oxygen | O |
| 9 | Fluorine | F |
| 10 | Neon | Ne |
| 11 | Sodium | Na |
| 12 | Magnesium | Mg |
| 13 | Aluminium | Al |
| 14 | Si | Silicon |
| 15 | Phosphorus | P |
| 16 | Sulphur | S |
| 17 | Chlorine | Cl |
| 18 | Argon | Ar |
| 19 | Potassium | K |
| 20 | Calcium | Ca |
(ii)
Mixture is what is formed when two or more substances are put together/combine physically.
Examples of mixtures
1. Air
2. Salt solution
3. Sugar solution
4. Common salt and sand mixed together
5. Muddy water
6. Alcohol and water mixed together
7. Powdered charcoal and iron filings mixed together
8. Powdered chalk and water mixed together
9. Iodine and sand mixed together
10. Sodium chloride/common salt and sand mixed together
11. Sawdust and iron filings mixed together
12. Powdered charcoal and water mixed together
13. Brass
14. Bronze
(iii)
A compound is the substance formed as a result of the chemical combination of two or more elements.
OR
A compound is a substance which is made up of two or more elements chemically combined.
Examples of compounds
1. Water/H2O
2. Common salt/Sodium chloride/NaCl
3. Carbon dioxide/CO2
4. Ammonia/NH3
5. Cupric oxide/Copper (II) oxide/CuO
6. Sulphuric acid/H2SO4
7. Sodium hydroxide/NaOH
8. Ammonium chloride/NH4Cl
9. Hydrochloric acid/HCl
10. Copper (II) sulphate/Copper (II) tetraoxosulphate (VI)/CuSO4
11. Iron (II) chloride/FeCl3
12. Magnesium chloride /MgCl2
13. Iron (II) sulphide/FeS
14. Ammonium hydroxide/NH4OH
15. Calcium carbonate/CaCO3
16. Calcium chloride/CaCl2
17. Silver chloride/AgCl
18. Sodium tetraoxosulphate (VI)/Na2SO4
19. Sodium nitrate/Sodium trioxonitrate (V)/NaNO3
20. Potassium sulphate/Potassium tetraoxosulphate (VI)/K2SO4
(b)
(i)
Work is said to be done when an application of a force moves an object through a distance in the direction of the force
OR
Work is said to be done when a force moves a body through a distance in the direction of the force.
(ii)
Energy is the ability to do work.
(c)
Units of measurement:
(i)
Power → Watts (W)
(ii)
Energy → Joules (J)
(iii)
Electric current → Amperes (A)
(iv)
Temperature → Kelvin (K)/Degree celsius (°C)
(d)
Potential energy = Mass (m) x Acceleration due to gravity (g) x Height (h)
Mass (m) = 100 kg
Acceleration due to gravity (g) = 10 ms-2
Height (h) = 2 m
Potential energy = 100 kg x 10 ms-2 x 2 m
Potential energy = 2000 J
(e)
i)
Characteristics of an insect pollinated flower
1. Petals are large
2. Petals are brightly coloured
3. The flower is usually scented
4. The flower has nectar
5. Stigma is inside the flower
6. Stigma is compact and sticky
7. Pollen grains produced per anther are few
8. Pollen grains are sticky, large, rough and heavy
9. Filaments are short and stout
ii)
Characteristics of a wind pollinated flower
1. Have less brightly coloured petals/petals are dull in colour
2. Petals are small in sizes and not easily seen or absent
3. The flower lacks nectar
4. The flower is not scented
5. Large amount of pollen grains are produced per anther
6. Have feathery/hairy stigma
7. Stigma hangs down to be able to catch pollen grains floating in the air
8. Pollen grains are small, light or dry and smooth
9. Filaments are long and flexible