Summative Test Grade 9 Quarter 1
Quiz by Joanne Borja
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- Q1
Oxygen (O2) and carbon dioxide (CO2) are exchanged among the cells, in the blood, and air in the lungs. What is this process called?
respiration
inhale
respiratory
exhale
30s - Q2
Which blood cells can fight the bacteria or any foreign material that enters to the body?
red blood cells
white blood cells
platelets
30s - Q3
Which valve of the heart is found between the left atrium and left ventricle?
bicuspid valve
tricuspid valve
30s - Q4
Which arteries carry deoxygenated blood?
pulmonary arteries
coronary arteries
30s - Q5
Which type of blood circulation is described when the heart pumps oxygenated blood to the different parts of the body?
pulmonary circulation
30s - Q6
The brown sticky substances found in a cigarette that can narrow the blood vessels is called
nicotine
tar
30s - Q7
It is a physical and functional unit of heredity.
Heredity
genes
DNA
30s - Q8
Visible expression of a genotype. e.g., brown eyes or attached earlobes.
phenotype
genotype
30s - Q9
A cross between a black cat and a tan cat produces a tabby pattern (black & tan fur together). What pattern of inheritance does this illustrate?
codominance
incomplete dominance
30s - Q10
In the heterozygous condition, both alleles are expressed equally with NO blending! It is represented by using two DIFFERENT capital letters.
incomplete dominance
codominance
30s - Q11
It is referred to as the union of egg and sperm cells to form a new organism.
Fertilization
Reproduction
30s - Q12
Which is an example of sex - influenced trait among humans?
hemophilia
color blindness
30s - Q13
If Roberto’s father has hemophilia and his mother is a carrier, what is the chance that Roberto would inherit the disease? Give the percentage.
0%
100%
50%
30s - Q14
The number of individual species per unit area at a given time is called population
population density
carrying capacity
30s - Q15
The maximum population size that an environment can support is
carrying capacity
population density
30s
