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Alhussan Biology — Stage 9
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Curriculum
Alhussan Biology — Stage 9
Chapter 9: Plants and Photosynthesis
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9.1 What do we know about plants?
Text lesson
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Biology 9.1 What do we know about plants? — Quiz
164 questions
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Checkpoint Quiz — Biology 9.1 What do we know about plants?
1 questions
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9.2 Photosynthesis
Text lesson
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Biology 9.2 Photosynthesis — Quiz
164 questions
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Checkpoint Quiz — Biology 9.2 Photosynthesis
10 questions
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9.3 Evidence for photosynthesis: testing for starch
Text lesson
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9.3 Evidence for photosynthesis: testing for starch — Quiz
153 questions
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Checkpoint Quiz — Biology 9.3 Evidence for photosynthesis: testing for starch
2 questions
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9.4 Evidence of photosynthesis: oxygen bubbles and pondweed
Text lesson
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9.4 Evidence of photosynthesis: oxygen bubbles and pondweed — Quiz
154 questions
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Checkpoint Quiz — Biology 9.4 Evidence of photosynthesis: oxygen bubbles and pondweed
6 questions
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9.5 The need for minerals
Text lesson
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9.5 The need for minerals — Quiz
160 questions
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Checkpoint Quiz — Biology 9.5 The need for minerals
10 questions
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9.6 The use of fertilisers
Text lesson
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9.6 The use of fertilisers — Quiz
161 questions
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Checkpoint Quiz — Biology 9.6 The use of fertilisers
3 questions
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9.7 Water and mineral transport in plants
Text lesson
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9.7 Water and mineral transport in plants — Quiz
157 questions
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Checkpoint Quiz — Biology 9.7 Water and mineral transport in plants
23 questions
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9.8 Xylem, phloem and plant pests
Text lesson
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9.8 Xylem, phloem and plant pests — Quiz
158 questions
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Checkpoint Quiz — Biology 9.8 Xylem, phloem and plant pests
11 questions
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9.9 Chapter 9 Review: Plants and Photosynthesis
Text lesson
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9.9 Chapter 9 Review: Plants and Photosynthesis — Quiz
157 questions
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Chapter 10: Excretion in Humans
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10.1 What is excretion?
Text lesson
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Biology 10.1 What is excretion? — Quiz
165 questions
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Checkpoint Quiz — Biology 10.1 What is excretion?
7 questions
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10.2 The human excretory system
Text lesson
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Biology 10.2 The human excretory system — Quiz
154 questions
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Checkpoint Quiz — Biology 10.2 The human excretory system
2 questions
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10.3 Who made the best model?
Text lesson
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Biology 10.3 Who made the best model? — Quiz
153 questions
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Checkpoint Quiz — Biology 10.3 Who made the best model?
5 questions
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10.4 When kidneys go wrong
Text lesson
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Biology 10.4 When kidneys go wrong — Quiz
159 questions
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Checkpoint Quiz — Biology 10.4 When kidneys go wrong
2 questions
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10.5 Kidneys work everywhere!
Text lesson
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Biology 10.5 Kidneys work everywhere! — Quiz
154 questions
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Checkpoint Quiz — Biology 10.5 Kidneys work everywhere!
4 questions
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10.6 Chapter 10 Review: Excretion in Humans
Text lesson
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Biology 10.6 Chapter 10 Review: Excretion in Humans — Quiz
155 questions
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Chapter 11: Human Genetics and Development
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11.1 Reproduction: a characteristic of life
Text lesson
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Biology 11.1 Reproduction: a characteristic of life — Quiz
162 questions
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Checkpoint Quiz — Biology 11.1 Reproduction: a characteristic of life
18 questions
Preview
11.2 Fertilisation: new life begins
Text lesson
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Biology 11.2 Fertilisation: new life begins — Quiz
154 questions
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Checkpoint Quiz — Biology 11.2 Fertilisation: new life begins
12 questions
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11.3 Boy or girl? Sex inheritance in humans
Text lesson
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Biology 11.3 Boy or girl? Sex inheritance in humans — Quiz
156 questions
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Checkpoint Quiz — Biology 11.3 Boy or girl? Sex inheritance in humans
6 questions
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11.4 Variation between individuals
Text lesson
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Biology 11.4 Variation between individuals — Quiz
152 questions
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Checkpoint Quiz — Biology 11.4 Variation between individuals
16 questions
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11.5 The development of a fetus
Text lesson
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Biology 11.5 The development of a fetus — Quiz
159 questions
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Checkpoint Quiz — Biology 11.5 The development of a fetus
2 questions
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11.6 Health of the mother, health of the child
Text lesson
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Biology 11.6 Health of the mother, health of the child — Quiz
152 questions
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Checkpoint Quiz — Biology 11.6 Health of the mother, health of the child
2 questions
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11.7 Understanding science, saving lives
Text lesson
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Biology 11.7 Understanding science, saving lives — Quiz
156 questions
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11.8 Smoking and pregnancy: the evidence
Text lesson
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Biology 11.8 Smoking and pregnancy: the evidence — Quiz
153 questions
Preview
11.9 Chapter 11 Review: Human Genetics and Development
Text lesson
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Biology 11.9 Chapter 11 Review: Human Genetics and Development — Quiz
153 questions
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Chapter 12: The Carbon Cycle and Climate Change
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12.1 The carbon cycle
Text lesson
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Biology 12.1 The carbon cycle — Quiz
158 questions
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Checkpoint Quiz — Biology 12.1 The carbon cycle
1 questions
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12.2 People and the carbon cycle
Text lesson
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Biology 12.2 People and the carbon cycle — Quiz
160 questions
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Checkpoint Quiz — Biology 12.2 People and the carbon cycle
3 questions
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12.3 Historical impacts of climate change
Text lesson
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Biology 12.3 Historical impacts of climate change — Quiz
157 questions
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12.4 Predicting the future
Text lesson
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Biology 12.4 Predicting the future — Quiz
155 questions
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Checkpoint Quiz — Biology 12.4 Predicting the future
1 questions
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12.5 Evaluating evidence for climate change
Text lesson
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Biology 12.5 Evaluating evidence for climate change — Quiz
157 questions
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12.6 Chapter 12 Review: The Carbon Cycle and Climate Change
Text lesson
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Biology 12.6 Chapter 12 Review: The Carbon Cycle and Climate Change — Quiz
157 questions
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Chapter 13: Variation and Natural Selection
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13.1 Variation in animals and plants
Text lesson
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Biology 13.1 Variation in animals and plants — Quiz
167 questions
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Checkpoint Quiz — Biology 13.1 Variation in animals and plants
8 questions
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13.2 Natural selection in action
Text lesson
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Biology 13.2 Natural selection in action — Quiz
154 questions
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Checkpoint Quiz — Biology 13.2 Natural selection in action
16 questions
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13.3 Environmental change and natural selection
Text lesson
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Biology 13.3 Environmental change and natural selection — Quiz
159 questions
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Checkpoint Quiz — Biology 13.3 Environmental change and natural selection
3 questions
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13.4 Extinction!
Text lesson
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Biology 13.4 Extinction! — Quiz
157 questions
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Checkpoint Quiz — Biology 13.4 Extinction!
2 questions
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13.5 Investigating the peppered moth: past and present
Text lesson
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Biology 13.5 Investigating the peppered moth: past and present — Quiz
152 questions
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13.6 What can we do?
Text lesson
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13.6 What can we do? — Quiz
10 questions
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Checkpoint Quiz — Biology 13.6 What can we do?
1 questions
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13.7 Chapter 13 Review: Variation and Natural Selection
Text lesson
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13.7 Chapter 13 Review: Variation and Natural Selection — Quiz
10 questions
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Biology Stage 9 Comprehensive Review
Text lesson
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Biology Stage 9 Comprehensive Review — Quiz
162 questions
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Quiz
Biology 10.5 Kidneys work everywhere! — Quiz
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Questions count:
50
Passing grade:
B+
Start Quiz
1.
Relative urine concentration in four mammals. What is the value for Human?
0.8
8.4
4.7
2.0
2.
A person drank 500 cm³ and passed 600 cm³ of urine. What percentage was passed?
−100%
1200%
120%
83%
3.
Which is the correct definition of “Kangaroo rat”?
Desert mammal that makes water from digesting seeds.
Part of the nephron where reabsorption happens.
Control of water and salt in the body.
A tiny filtering unit of the kidney.
4.
Relative urine concentration in four mammals. What is the total of all the values?
13.3
15.9
8.4
18.5
5.
Urine produced after drinking different volumes of water. Between which two values of "Water drunk (cm³)" did "Urine in 2 h (cm³)" change the most?
0 and 250
750 and 1000
250 and 500
500 and 750
6.
Which statement is NOT correct?
ADH is made in the bladder.
Beavers live in fresh water.
If surroundings are more dilute, water tends to enter the animal.
Too little water means more ADH is released.
7.
A person drank 500 cm³ and passed 460 cm³ of urine. What percentage was passed?
92%
109%
920%
40%
8.
Which statement is correct?
Camel kidneys reabsorb much more water than cows.
Desert mammals make no urea.
Kangaroo rats are active in the hot midday.
Camels make lots of dilute urine in drought.
9.
A camel made 500 cm³ of urine short of water and 5000 cm³ well watered. How many times more?
100 times
10 times
5500 times
4500 times
10.
Urine produced after drinking different volumes of water. At what value of "Water drunk (cm³)" is "Urine in 2 h (cm³)" greatest?
750
500
1000
250
11.
True or false? Humans can transport water so kidneys are not stressed.
True
False
12.
A person drank 750 cm³ and passed 460 cm³ of urine. What percentage was passed?
613%
61%
290%
163%
13.
ADH in blood as a person becomes dehydrated. Between which two values of "Hours without water" did "ADH (units)" change the most?
8 and 12
4 and 8
16 and 20
12 and 16
14.
Which is the correct definition of “Concentrated urine”?
Treatment where urea diffuses from blood through a membrane into fluid.
The fluid filtered into the capsule.
Small volume of urine with little water.
Hormone controlling water reabsorption.
15.
Which term matches this definition? “Desert mammal that makes water from digesting seeds.”
Kangaroo rat
Kidney
Renal artery
Nephron
16.
ADH rose from 2 to 14 units. Calculate the percentage increase.
700%
600%
86%
12%
17.
True or false? Desert mammals make no urea.
True
False
18.
Which statement is correct?
Kangaroo rats drink a lot of water.
Beavers live in fresh water.
Kangaroo rats are active in the hot midday.
Freshwater fish make concentrated urine.
19.
Which term matches this definition? “Hormone that makes kidneys reabsorb more water.”
ADH
Limitation
Amino acid
Filtrate
20.
True or false? Kangaroo rats are active in the hot midday.
True
False
21.
ADH rose from 3 to 12 units. Calculate the percentage increase.
9%
300%
75%
400%
22.
Which term matches this definition? “Freshwater mammal with plenty of water.”
Dilute urine
Beaver
Nephron
Nocturnal
23.
A person drank 750 cm³ and passed 400 cm³ of urine. What percentage was passed?
188%
533%
350%
53%
24.
Humans can transport ____ so kidneys are not stressed.
water
urea
deserts
salt only
25.
Desert mammals still need water to make ____.
urine
fur
oxygen
glucose
26.
Which statement is correct?
Osmosis moves water to the more dilute side.
ADH is made in the bladder.
Too little water means more ADH is released.
Camels make lots of dilute urine in drought.
27.
Camel kidneys reabsorb ____ water than cows.
no
much less
much more
the same
28.
True or false? A large drink causes concentrated urine.
True
False
29.
Which term matches this definition? “Control of water and salt in the body.”
Capsule
Amino acid
Osmoregulation
Glomerulus
30.
Urine volume of a camel with and without water. Which graph shows these results correctly?
A
B
C
D
31.
Urine produced after drinking different volumes of water. At what value of "Water drunk (cm³)" is "Urine in 2 h (cm³)" smallest?
0
250
500
750
32.
A person drank 1000 cm³ and passed 600 cm³ of urine. What percentage was passed?
600%
167%
60%
400%
33.
ADH in blood as a person becomes dehydrated. Which graph shows these results correctly?
A
B
C
D
34.
Urine produced after drinking different volumes of water. What is the value of "Urine in 2 h (cm³)" when "Water drunk (cm³)" is 0?
1031
710
345
121
35.
True or false? Desert mammals still need water to make urine.
True
False
36.
If surroundings are more dilute, water tends to ____ the animal.
stay
leave
freeze
enter
37.
ADH in blood as a person becomes dehydrated. Calculate the percentage change in "ADH (units)" from 0 to 20.
850%
950%
−850%
89%
38.
True or false? ADH makes the kidneys reabsorb more water.
True
False
39.
Which term matches this definition? “Control of the water and salt content of the body.”
Excretion
Osmoregulation
Translocation
Deamination
40.
Beavers live in ____.
deserts
mountains
fresh water
the sea
41.
What does the hormone ADH do?
Makes urea
Makes more urine
Raises blood sugar
Makes the kidneys reabsorb more water
42.
True or false? Kangaroo rats are active at night.
True
False
43.
True or false? Freshwater fish make concentrated urine.
True
False
44.
Which is the correct definition of “Beaver”?
Freshwater mammal with plenty of water.
Stretchy bag that stores urine.
Ball of capillaries where filtration happens.
Difference that drives diffusion of urea.
45.
Urine produced after drinking different volumes of water. Which graph shows these results correctly?
A
B
C
D
46.
True or false? When blood is concentrated, a small volume of concentrated urine is made.
True
False
47.
Kangaroo rats produce ____ faeces.
wet
dry
liquid
no
48.
Which statement is NOT correct?
ADH is released by the pituitary gland.
Kangaroo rats are active in the hot midday.
Water moves by osmosis across membranes.
Kangaroo rats shelter in cool burrows by day.
49.
Kangaroo rats are active at ____.
midday
dawn only
night
noon
50.
Urine volume of a camel with and without water. Which graph shows these results correctly?
A
B
C
D
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2
3
4
5
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8
9
10
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49
50
Questions count:
50
Passing grade:
B+
Start Quiz
1.
Relative urine concentration in four mammals. What is the value for Human?
0.8
8.4
4.7
2.0
2.
A person drank 500 cm³ and passed 600 cm³ of urine. What percentage was passed?
−100%
1200%
120%
83%
3.
Which is the correct definition of “Kangaroo rat”?
Desert mammal that makes water from digesting seeds.
Part of the nephron where reabsorption happens.
Control of water and salt in the body.
A tiny filtering unit of the kidney.
4.
Relative urine concentration in four mammals. What is the total of all the values?
13.3
15.9
8.4
18.5
5.
Urine produced after drinking different volumes of water. Between which two values of "Water drunk (cm³)" did "Urine in 2 h (cm³)" change the most?
0 and 250
750 and 1000
250 and 500
500 and 750
6.
Which statement is NOT correct?
ADH is made in the bladder.
Beavers live in fresh water.
If surroundings are more dilute, water tends to enter the animal.
Too little water means more ADH is released.
7.
A person drank 500 cm³ and passed 460 cm³ of urine. What percentage was passed?
92%
109%
920%
40%
8.
Which statement is correct?
Camel kidneys reabsorb much more water than cows.
Desert mammals make no urea.
Kangaroo rats are active in the hot midday.
Camels make lots of dilute urine in drought.
9.
A camel made 500 cm³ of urine short of water and 5000 cm³ well watered. How many times more?
100 times
10 times
5500 times
4500 times
10.
Urine produced after drinking different volumes of water. At what value of "Water drunk (cm³)" is "Urine in 2 h (cm³)" greatest?
750
500
1000
250
11.
True or false? Humans can transport water so kidneys are not stressed.
True
False
12.
A person drank 750 cm³ and passed 460 cm³ of urine. What percentage was passed?
613%
61%
290%
163%
13.
ADH in blood as a person becomes dehydrated. Between which two values of "Hours without water" did "ADH (units)" change the most?
8 and 12
4 and 8
16 and 20
12 and 16
14.
Which is the correct definition of “Concentrated urine”?
Treatment where urea diffuses from blood through a membrane into fluid.
The fluid filtered into the capsule.
Small volume of urine with little water.
Hormone controlling water reabsorption.
15.
Which term matches this definition? “Desert mammal that makes water from digesting seeds.”
Kangaroo rat
Kidney
Renal artery
Nephron
16.
ADH rose from 2 to 14 units. Calculate the percentage increase.
700%
600%
86%
12%
17.
True or false? Desert mammals make no urea.
True
False
18.
Which statement is correct?
Kangaroo rats drink a lot of water.
Beavers live in fresh water.
Kangaroo rats are active in the hot midday.
Freshwater fish make concentrated urine.
19.
Which term matches this definition? “Hormone that makes kidneys reabsorb more water.”
ADH
Limitation
Amino acid
Filtrate
20.
True or false? Kangaroo rats are active in the hot midday.
True
False
21.
ADH rose from 3 to 12 units. Calculate the percentage increase.
9%
300%
75%
400%
22.
Which term matches this definition? “Freshwater mammal with plenty of water.”
Dilute urine
Beaver
Nephron
Nocturnal
23.
A person drank 750 cm³ and passed 400 cm³ of urine. What percentage was passed?
188%
533%
350%
53%
24.
Humans can transport ____ so kidneys are not stressed.
water
urea
deserts
salt only
25.
Desert mammals still need water to make ____.
urine
fur
oxygen
glucose
26.
Which statement is correct?
Osmosis moves water to the more dilute side.
ADH is made in the bladder.
Too little water means more ADH is released.
Camels make lots of dilute urine in drought.
27.
Camel kidneys reabsorb ____ water than cows.
no
much less
much more
the same
28.
True or false? A large drink causes concentrated urine.
True
False
29.
Which term matches this definition? “Control of water and salt in the body.”
Capsule
Amino acid
Osmoregulation
Glomerulus
30.
Urine volume of a camel with and without water. Which graph shows these results correctly?
A
B
C
D
31.
Urine produced after drinking different volumes of water. At what value of "Water drunk (cm³)" is "Urine in 2 h (cm³)" smallest?
0
250
500
750
32.
A person drank 1000 cm³ and passed 600 cm³ of urine. What percentage was passed?
600%
167%
60%
400%
33.
ADH in blood as a person becomes dehydrated. Which graph shows these results correctly?
A
B
C
D
34.
Urine produced after drinking different volumes of water. What is the value of "Urine in 2 h (cm³)" when "Water drunk (cm³)" is 0?
1031
710
345
121
35.
True or false? Desert mammals still need water to make urine.
True
False
36.
If surroundings are more dilute, water tends to ____ the animal.
stay
leave
freeze
enter
37.
ADH in blood as a person becomes dehydrated. Calculate the percentage change in "ADH (units)" from 0 to 20.
850%
950%
−850%
89%
38.
True or false? ADH makes the kidneys reabsorb more water.
True
False
39.
Which term matches this definition? “Control of the water and salt content of the body.”
Excretion
Osmoregulation
Translocation
Deamination
40.
Beavers live in ____.
deserts
mountains
fresh water
the sea
41.
What does the hormone ADH do?
Makes urea
Makes more urine
Raises blood sugar
Makes the kidneys reabsorb more water
42.
True or false? Kangaroo rats are active at night.
True
False
43.
True or false? Freshwater fish make concentrated urine.
True
False
44.
Which is the correct definition of “Beaver”?
Freshwater mammal with plenty of water.
Stretchy bag that stores urine.
Ball of capillaries where filtration happens.
Difference that drives diffusion of urea.
45.
Urine produced after drinking different volumes of water. Which graph shows these results correctly?
A
B
C
D
46.
True or false? When blood is concentrated, a small volume of concentrated urine is made.
True
False
47.
Kangaroo rats produce ____ faeces.
wet
dry
liquid
no
48.
Which statement is NOT correct?
ADH is released by the pituitary gland.
Kangaroo rats are active in the hot midday.
Water moves by osmosis across membranes.
Kangaroo rats shelter in cool burrows by day.
49.
Kangaroo rats are active at ____.
midday
dawn only
night
noon
50.
Urine volume of a camel with and without water. Which graph shows these results correctly?
A
B
C
D
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
Part of
Chapter 10: Excretion in Humans
— see every lesson and quiz in this unit.
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