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20 questions
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  • Q1

    This is the empty tube that serves as passageway of air into the lungs.

    trachea

    alveoli

    bronchioles

    bronchi

    30s
  • Q2

    This carries the blood throughout the body.

    blood 

    heart

    blood vessels

    capillaries

    30s
  • Q3

    Which of the following is the negative effect of smoking in the circulatory system?

    increase heart rate

    bronchitis

    asthma

    lung cancer

    30s
  • Q4

    Where does the genes located?

    in the chromosomes

    in the plants

    in the lungs 

    in the heart

    30s
  • Q5

    This is the inheritance in which one allele is not completely dominant over the other allele.

    sex inheritance

    multiple allele

    codominance

    incomplete dominance

    30s
  • Q6

    This is the inheritance where both alleles are expressed equally in the phenotype of heterozygote.

    codominance

    incomplete dominance

    multiple allele

    sex inheritance

    30s
  • Q7

    This pertains to the number of organisms of the same species living in a certain place.

    population

    community

    diversity

    biodiversity

    30s
  • Q8

    It means that a society should live under the carrying capacity of the environment.

    sustainable development

    sustainable life

    wildlife depletion

    eutrophication

    30s
  • Q9

    This gas is needed as a raw material in cellular respiration.

    ozone gas

    carbon dioxide

    water vapor

    oxygen

    30s
  • Q10

    This is the stage of photosynthesis that does not directly need light but needs the product of light reaction.

    dark reaction

    Glycolysis

    Krebs cycle

    light reaction

    30s
  • Q11

    This is the stage of respiration where the glucose is break down into two molecules of called pyruvates.

    dark reaction

    light reaction

    Krebs cycle

    Glycolysis

    30s
  • Q12

    What happens to the diaphragm when a person breathes out or exhale?

    it contracts

    it relaxes

    nothing

    it expands

    30s
  • Q13

    Which lifestyle causes hypertension?

    alcohol drinking

    unbalanced diet

    cigarette smoking

    inadequate rest

    30s
  • Q14

    In incomplete dominance, a red flower mate with a white flower, the phenotype of their offspring will be?

    red flower only

    white flower only

    pink flower

    red and white flower

    30s
  • Q15

    What is the sex chromosome for female?

    RW

    WR

    XX

    XY

    30s

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