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Course: Alhussan Biology — Stage 7
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Alhussan Biology — Stage 7

Chapter 1: Classification and Life

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Chapter 2: Cells and Organisation

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Chapter 3: Microorganisms and Decomposers

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Chapter 4: The Physical Environment and Water Cycle

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Quiz

1.5 Simple keys — Quiz

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  • Questions count: 50
  • Passing grade: B+
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1.
The share of named insect species in each group. Which has the greatest value?
Dr Dabour Hub Academy - figure 1
Butterflies & moths
Beetles
Flies
Bees & ants
2.
About 900000 insect species are named and about one third are beetles. Roughly how many beetle species?
30,000
2,700,000
300,000
3000
3.
A student identified 24 species in a meadow and 10 in a wood. What percentage of the total was found in the meadow?
29%
240%
71%
34%
4.
Which is the correct definition of “Identification”?
An animal without a backbone.
Finding the name of an organism.
A living thing.
A permanent increase in size of an organism.
5.
Two students each used a key on 20 specimens and agreed on 18. What percentage did they agree on?
10%
900%
2%
90%
6.
True or false? About a third of named insect species are beetles.
True
False
7.
Number of each type of insect identified with a key in a meadow. Which has the smallest value?
Dr Dabour Hub Academy - figure 2
Bees
Flies
Butterflies
Beetles
8.
Number of each type of insect identified with a key in a meadow. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 3
A
B
C
D
9.
Which is the correct definition of “Dichotomous key”?
The total of the readings divided by the number of readings.
A key of paired statements, each leading to a name or another question.
A key drawn as a diagram of branching choices.
Divided into two.
10.
A sample had 36 beetles and 8 flies. How many times more beetles than flies?
44.0 times
28.0 times
4.5 times
0.2 times
11.
Number of ladybird spots counted on beetles in a sample. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 4
A
B
C
D
12.
Which term matches this definition? “A key of paired statements, each leading to a name or another question.”
Dichotomous key
Crustacean
Fieldwork
Optimum temperature
13.
The share of named insect species in each group. What is the total of all the values?
Dr Dabour Hub Academy - figure 5
33
111
100
89
14.
Number of ladybird spots counted on beetles in a sample. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 6
A
B
C
D
15.
True or false? If two people reach the same name with a key, the identification is reliable.
True
False
16.
Each question in a key gives ____ choices.
four
ten
two
no
17.
Nearly a ____ insect species have been named.
hundred
billion
million
thousand
18.
A specimen fits neither statement in a key. What is the most likely reason?
It belongs to a group the key was not designed for
The specimen is not living
The key always works for every organism
Dichotomous keys never have end points
19.
Which statement is NOT correct?
Keys are only drawn as diagrams.
Each question in a key gives two choices.
A ladybird key may use the number of spots.
Keys can be written as numbered statements or as a branching diagram.
20.
About 1020000 insect species are named and about one third are beetles. Roughly how many beetle species?
3,060,000
340,000
3400
34,000
21.
Species identified by a student as the time spent searching increased. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 7
A
B
C
D
22.
A student identified 15 species in a meadow and 10 in a wood. What percentage of the total was found in the meadow?
25%
40%
150%
60%
23.
Which term matches this definition? “Scientific work carried out outdoors in a habitat.”
Organism
Fieldwork
Invertebrate
Optimum temperature
24.
A good key avoids vague words such as ____.
toothed edge
big
antennae
six legs
25.
The share of named insect species in each group. What is the value for Butterflies & moths?
Dr Dabour Hub Academy - figure 8
14
17
33
16
26.
About a ____ of named insect species are beetles.
tenth
quarter
half
third
27.
Number of each type of insect identified with a key in a meadow. What is the value for Butterflies?
Dr Dabour Hub Academy - figure 9
20
8
12
25
28.
Which is the correct definition of “Beetle”?
A group of organisms that can breed together to produce fertile offspring.
An insect with a tough cover over its wings.
Chemical reactions in cells that release energy from food.
Apparatus that measures the volume of gas produced.
29.
Number of each type of insect identified with a key in a meadow. What is the total of all the values?
Dr Dabour Hub Academy - figure 10
30
84
95
106
30.
Dichotomous means divided into ____.
four
three
many
two
31.
True or false? Features that change with the seasons are best for keys.
True
False
32.
Which is the correct definition of “Feature”?
An observable characteristic used in a key.
An organism or sample being identified.
Reproduction in yeast where a new cell grows from the side of the parent.
An investigation where only one variable is changed.
33.
Keys can be written as numbered statements or as a ____.
poem
branching diagram
map
graph
34.
The share of named insect species in each group. About how many times bigger is Beetles than Bees & ants?
Dr Dabour Hub Academy - figure 11
4.7
3.5
2.4
1.2
35.
Species identified by a student as the time spent searching increased. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 12
A
B
C
D
36.
A sample had 30 beetles and 8 flies. How many times more beetles than flies?
0.3 times
38.0 times
22.0 times
3.8 times
37.
A sample had 30 beetles and 6 flies. How many times more beetles than flies?
36.0 times
0.2 times
24.0 times
5.0 times
38.
A student identified 18 species in a meadow and 8 in a wood. What percentage of the total was found in the meadow?
69%
26%
225%
31%
39.
True or false? A ladybird key may use the number of spots.
True
False
40.
Which is the correct definition of “Specimen”?
An organism or sample being identified.
A living thing.
The variable that is changed in an investigation.
A change in the surroundings that an organism can detect.
41.
Number of ladybird spots counted on beetles in a sample. About how many times bigger is 7 than 22?
Dr Dabour Hub Academy - figure 13
4.2
8.3
16.7
12.5
42.
Which term matches this definition? “An organism or sample being identified.”
Reproduction
Nutrition
Breathing
Specimen
43.
Species identified by a student as the time spent searching increased. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 14
A
B
C
D
44.
Species identified by a student as the time spent searching increased. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 15
A
B
C
D
45.
Features that change with ____ should be avoided.
age or season
wing cover
number of legs
body sections
46.
A key can be ____ to identify other specimens.
only spoken
reused
used only once
only drawn
47.
Insects have three body parts and ____ legs.
ten
eight
four
six
48.
True or false? Nearly a million insect species have been named.
True
False
49.
Use the key in the diagram. A fish has a body that is NOT flattened, a short tail and NO dorsal spine. What is it?
Dr Dabour Hub Academy - figure 16
Eel Q
Spiny fish R
Smooth fish S
Flatfish P
50.
Which term matches this definition? “An insect with a tough cover over its wings.”
Hybrid
Beetle
Reproduction
Order
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Part of Chapter 1: Classification and Life — see every lesson and quiz in this unit.
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