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Course: Alhussan Biology — Stage 9
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Alhussan Biology — Stage 9

Chapter 9: Plants and Photosynthesis

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Chapter 10: Excretion in Humans

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Chapter 11: Human Genetics and Development

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Chapter 12: The Carbon Cycle and Climate Change

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Chapter 13: Variation and Natural Selection

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Quiz

Biology 11.7 Understanding science, saving lives — Quiz

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  • Questions count: 50
  • Passing grade: B+
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1.
People may choose whether to take ____.
supplements
air
water
fortified flour
2.
Babies in a neonatal unit by birth weight. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 1
A
B
C
D
3.
Rates were 33.9 with fortification and 50 without (per 100 000). Calculate the percentage reduction.
68%
16%
47%
32%
4.
Babies in a neonatal unit by birth weight. Which has the smallest value?
Dr Dabour Hub Academy - figure 2
1.5–2.0
1.0–1.5
2.0–2.5
<1.0
5.
Which term matches this definition? “Adding a nutrient such as folic acid to flour for everyone.”
Placenta
Fortification
Zygote
Gene
6.
Which is the correct definition of “Neonatal period”?
The first four weeks after birth.
A sex cell with half the chromosome number.
Required by law.
A B vitamin that reduces the risk of spina bifida.
7.
Premature births in a region. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 3
A
B
C
D
8.
Which is the correct definition of “Peer review”?
Division making identical cells.
A study of many thousands, giving strong evidence.
A defect of the developing spinal cord.
Checking by other scientists before publishing.
9.
Babies in a neonatal unit by birth weight. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 4
A
B
C
D
10.
True or false? The lungs of premature babies are fully developed.
True
False
11.
In premature babies the ____ are often not fully developed.
ears
teeth
lungs
hair
12.
True or false? Premature means born after 42 weeks.
True
False
13.
Premature births in a region. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 5
A
B
C
D
14.
Premature births in a region. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 6
A
B
C
D
15.
Which term matches this definition? “A warm, controlled cot for premature babies.”
Incubator
Labour
Homozygous
Recessive
16.
Survival of babies born at different weeks. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 7
A
B
C
D
17.
Women lacking folic acid have a raised risk of a baby with ____.
scurvy
spina bifida
asthma
rickets
18.
Which is the correct definition of “Mandatory”?
Division making identical cells.
The length of pregnancy.
Required by law.
Having two identical alleles.
19.
Babies in a neonatal unit by birth weight. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 8
A
B
C
D
20.
Folic acid before and during pregnancy ____ the risk.
doubles
reduces
has no effect on
increases
21.
A baby weighs 2400 g. Is that low birth weight? Give the mass in kg.
240.0 kg
24.0 kg
2400000.0 kg
2.4 kg
22.
Survival of babies born at different weeks. At what value of "Week of birth" is "Survival (%)" greatest?
Dr Dabour Hub Academy - figure 9
26
32
30
24
23.
Spina bifida rates with and without fortification. What is the total of all the values?
Dr Dabour Hub Academy - figure 10
69.5
61.6
41.4
77.5
24.
Spina bifida may be mild or cause ____.
baldness
paralysis
tallness
deafness only
25.
Survival of babies born at different weeks. By how much does "Survival (%)" change between 24 and 34?
Dr Dabour Hub Academy - figure 11
37
46
100
163
26.
Rates were 30 with fortification and 50 without (per 100 000). Calculate the percentage reduction.
40%
60%
67%
20%
27.
Avocados, citrus fruits, nuts and seeds are rich in ____.
vitamin D
calcium only
folic acid
iron only
28.
Which statement is correct?
Premature means born after 42 weeks.
The research was never checked.
Low birth weight is under 4 kg.
In premature babies the lungs are often not fully developed.
29.
Babies in a neonatal unit by birth weight. Which has the greatest value?
Dr Dabour Hub Academy - figure 12
<1.0
1.5–2.0
1.0–1.5
2.0–2.5
30.
Which term matches this definition? “A baby born before 37 weeks.”
Ovulation
Neonatal period
Testes
Premature baby
31.
True or false? Science was used to save lives.
True
False
32.
Rates were 35 with fortification and 45 without (per 100 000). Calculate the percentage reduction.
22%
10%
78%
29%
33.
Survival of babies born at different weeks. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 13
A
B
C
D
34.
Which is the correct definition of “Paralysis”?
Vitamin B9.
Loss of movement.
A unit of DNA code: A, T, C or G.
A fertilised egg cell.
35.
Premature births in a region. Between which two values of "Year" did "Premature births (%)" change the most?
Dr Dabour Hub Academy - figure 14
2010 and 2015
2015 and 2020
2005 and 2010
2000 and 2005
36.
Which term matches this definition? “Loss of movement.”
Nicotine
Paralysis
Peer review
Carbon monoxide
37.
True or false? Low birth weight is under 4 kg.
True
False
38.
Premature births in a region. At what value of "Year" is "Premature births (%)" smallest?
Dr Dabour Hub Academy - figure 15
2010
2005
2015
2000
39.
Which is the correct definition of “Folic acid”?
Weighing less than 2.5 kg at birth.
Vitamin B9.
Has one X and one Y chromosome.
A neural tube defect of the spine.
40.
Which term matches this definition? “Weighing less than 2.5 kg at birth.”
Low birth weight
Labour
Dominant
Peer review
41.
Which term matches this definition? “The first four weeks after birth.”
Recessive
Placenta
Neonatal period
Sperm duct
42.
True or false? Fortification means women get folic acid before pregnancy.
True
False
43.
Science was used to ____.
cause disease
save lives
hide results
stop research
44.
Survival rose from 40% at 24 weeks to 80% at 28 weeks. By how many percentage points?
40
100
120
80
45.
Rates were 33.9 per 100 000 with fortification and ____ without.
3.9
20.1
90
48.4
46.
The spine forms in the first ____ weeks of pregnancy.
40
2
12
30
47.
Which term matches this definition? “A neural tube defect that can cause paralysis.”
Testes
Spina bifida
Female
Cot death
48.
The research was published in ____ papers.
peer-reviewed
newspaper
secret
unchecked
49.
Survival rose from 40% at 24 weeks to 85% at 28 weeks. By how many percentage points?
45
125
112
85
50.
Which is the correct definition of “Low birth weight”?
The mass of a baby at birth.
Weighing less than 2.5 kg at birth.
The amniotic sac breaking when labour starts.
Adding a nutrient such as folic acid to flour for everyone.
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Part of Chapter 11: Human Genetics and Development — see every lesson and quiz in this unit.
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