SCIENCE QUIZ BEE - GRADE 9
Quiz by Kimberly Mae P. Nicol
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- Q1
Which blood cell is responsible for the absorption of oxygen in the blood?
bacteria
platelets
red blood cell
white blood cells
45sS9LT-la-b-26 - Q2
Where does the right ventricle send blood?
to the lungs
to the heart
to the lower part of the body
to the lungs, heart, and head
45sS9LT-la-b-26 - Q3
A flap tissue that prevents the backflow of blood between the atria and the ventricle.
valve
epiglottis
artery
vein
45sS9LT-la-b-26 - Q4
Which blood cell is responsible for blood clotting?
red blood cell
white blood cell
platelet
hemoglobin
45sS9LT-la-b-26 - Q5
When we inhale, particles are trapped in a layer of mucus and tiny hairs found in the nasal cavity. What do you call these tiny hairs that filter particles to enter the lungs?
mucus
cilia
valve
alveoli
45sS9LT-la-b-26 - Q6
The following are risk factors for high blood pressure EXCEPT:
excess cholesterol
smoking
obesity
exercise
45sS9LT -lc -27 - Q7
The brown sticky substances found in a cigarette that can narrow the blood vessels is called _________.
nicotine
lead
Carbon monoxide
tar
45sS9LT -lc -27 - Q8
Why is DNA the "blueprint of life"?
it can relay messages to other molecules
it contains the instructions for building an organism
it has a blue color
it is like a fingerprint
45sS9LT -Id -29 - Q9
Which is TRUE about the number of chromosomes in humans?
46 pairs, 23 total
23 pairs, 46 total
46 pairs, 46 total
23 pairs, 23 total
45sS9LT -Id -29 - Q10
It is referred to as the union of egg and sperm cells to form a new organism.
zygote
offspring
mutation
fertilization
45sS9LT -Id -29 - Q11
Which is the correct order of air flow during exhalation?
nasal cavity or nose, bronchi, trachea,pharynx, larynx, alveoli, bronchus
alveoli, bronchus, bronchi, trachea, larynx, pharynx, nasal cavity or nose
nose or nasal cavity, pharynx, larynx,trachea, bronchi, bronchus, alveoli
pharynx, trachea, bronchus, bronchi,larynx, alveoli, nasal activity or nose
45sS9LT-la-b-26 - Q12
Second hand smoke emitted by a lit cigarette combined with the smoke exhaled by an active smoker is referred as _______.
environmental smoke
passive smoke
dirty air
active smoke
45sS9LT -lc -27 - Q13
If hypertension is the medical term for high blood pressure, what is for hypotension?
low stress level
low energy level
low blood pressure
low sugar level
45sS9LT -lc -27 - Q14
What common lung disease is caused mainly by smoking and having a hard time breathing?
asthma
bronchitis
flu
Chronic Obstructive Pulmonary Disease
45sS9LT -lc -27 - Q15
In a DNA structure, which compounds are responsible for its backbone?
phosphate and sugar
sugar and nitrogen bases
only nitrogen bases
nitrogen bases and phosphate
45sS9LT -Id -29