Download HW 1: Growing Plants

HW 1: Growing Plants
1.
(a)
Poppy
The list below names some plants used by humans.
Conifer
Willow tree
Potato
Wheat
Copy and complete the following table by selecting two plants from
the list and giving one different use for each plant.
Plant
Use
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(b)
The table below shows the percentage of some trees found
in British forests in 1978
Tree
Percentage
Spruces
Pines
beech
Oak
Other species
30
20
5
15
30
Use the information from the table to copy and complete the
following pie chart.
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2.
Clearing of rainforest plants seriously damages the ecosystem of
animals that live there. Describe two ways in which animals may
be affected by rainforest destruction.
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3.
(a)
An investigation into the conditions
germination was
carried out as shown below
required
for
(i)
Which variable is being investigated?
(ii)
Twelve of the fifteen seeds sown in tube B germinated.
Calculate the percentage germination in this tube.
(iii)
Predict the effect on the number of seeds germinating if the
investigation was repeated at 0 °C.
4.
Name the three conditions/factors required for a seed to
germinate.
END OF HOMEWORK 1
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HW 2: Growing plants
1.
(a)
The diagram below shows test tubes set up to investigate
the conditions required for seed germination.
(i)
In which test tube would most seeds germinate?
(ii)
Identify the variable being investigated when comparing test
tubes A and C.
(b)
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Test tube X was set up to find out if oxygen is necessary for
germination.
Redraw and label test tube Y to show a suitable control for this
experiment in the box provided.
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(c)
Name the part of a seed which is used to provide energy for
germination.
2.
(a)
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The diagram shows a germinating kidney bean seed.
Use the diagram to complete the following table.
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3.
The following graph shows the effect of temperature on the
germination of oat seeds and barley seeds.
From the graph, what is the average time for oat seeds to germinate
at 5oC?
4. Which of the following is not required for the germination of a
seed?
A
B
C
D
5.
Water
A suitable temperature
Oxygen
Light
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The diagram shows a plant developing from a seed.
As the root and the shoot grow the seed will
A
B
C
D
8.
increase in mass
decrease in mass
store food produced by the leaves
protect the growing embryo
seed
Which of the following correctly labels the part of the seed?
Part Labelled
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2
3
A
Embryo plant
Seed coat
Food store
B
Seed coat
Food store
Embryo plant
C
Food store
Embryo plant
Seed coat
D
Seed coat
Embryo plant
Food store
END OF HOMEWORK 2
Homework 3: Growing plants
The following dishes were set up to investigate different conditions
affecting the germination of cress seeds.
1. Which two dishes should be compared to find the effect of
temperature on germination?
2.
1
The following diagram shows a section through a flower.
Copy and complete the following
table which relates to the
flower diagram
Name of
Function
Letter
structure
produces the male
D
gametes
sepal
stigma
A
receives the pollen
grains
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3. The boxes below show the names and descriptions of some
important processes in plant reproduction.
Match each statement of the named process on the left, to its
correct description on the right.
Names of processes
asexual reproduction
Descriptions
Seeds start to grow
pollination
Pollen is transferred from anther
to stigma
germination
Development of the ovary around
the seed or seeds
fruit formation
Production of identical offspring
from a single parent
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(e)(i) Name one method of natural asexual reproduction used by
plants
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(ii)
1
Name one method of artificial propagation used with plants.
4. The following table gives information about some common plants
and their fruits or seeds.
Use this table to copy and complete the table below, by ticking the
correct boxes.
Plant
Method of Pollination
Wind
Insect
Method of seed dispersal
Wind
Animal
Bramble
Thistle
Oak
Ash
2
End of Homework 3
Homework 4: Growing Plants
1.
The diagrams show two types of structures found in plants.
(a)
Which structure (A or B) would be found in the phloem?
(b)
Which structure is involved in sugar transport?
(c)
In which direction does food travel through a plant?
(d)
Where is the food/glucose made in the plant?
(e)
Xylem helps to support a plant. State one other function of xylem.
(f)
In which direction does water travel through a plant?
(g)
In which structure would lignin be found?
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2.
Copy and complete the table below with the correct information.
Transport Tissue
Substance carried
Sugar
Part of plant from which
substance is carried
Root
Leaves
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End of Homework 4