What is the instantaneous rate of change of f(x) = 3xยฒ - 2x + 1 at x = 1?
Anonymous Quiz
64%
4
27%
2
6%
-4
4%
-2
โค4
What is the area under f(x) = 3xยฒ - 2x + 1 over the interval [1, 3]?
Anonymous Quiz
46%
20 sq. unit
29%
22 sq. unit
13%
21 sq. unit
12%
12 sq. unit
โค1
Which particle among the following has the highest charge to mass ratio?
Anonymous Quiz
14%
Neutron
14%
Nucleus
47%
Electron
26%
Proton
An election has______________.
Anonymous Quiz
64%
a charge -1 and a smaller mass than a proton
12%
a charge of +1 and a smaller mass than a proton
21%
a charge of -1 and the same mass as a proton
4%
a charge of +1 and the same mass as a proton
๐3
โค7
๐ฅ4โค1
Is this ________ looking for?
Anonymous Quiz
20%
you were
17%
that you were
20%
what were you
43%
what you were
๐6
โI went to the cinema last night.โ
"So ________.โ
"So ________.โ
Anonymous Quiz
12%
I have
8%
have I
25%
I did
55%
did I
๐ฅ3
I wonโt allow you ________ for the meal.
Anonymous Quiz
16%
pay
24%
paying
57%
to pay
3%
that you should pay
๐ฅฐ3
Which of the following defines the main difference between pulmonary arteries and pulmonary veins?
Anonymous Quiz
21%
Pulmonary arteries carry oxygenated blood from heart to lungs, whereas pulmonary veins don't.
11%
Both pulmonary arteries and veins carry deoxygenated blood from heart to lungs.
65%
Pulmonary veins carry oxygenated blood from lungs to heart, whereas pulmonary arteries don't.
3%
Both pulmonary veins and arteries carry oxygenated blood from lungs to heart.
๐8โค1
Assume that your friend who has 'O' blood group has lost a lot of blood due to car accident, and the doctor ordered his family to get a blood donor. What should be the blood type of the donor?
Anonymous Quiz
4%
A
15%
AB
3%
B
79%
O
๐6โค1
Part of respiratory system where gaseous exchange takes place is:
Anonymous Quiz
70%
Alveolus
13%
Bronchiole
10%
Trachea
7%
Larynx
Biology some questions about circulatory system from grade 9 unit 3.
Choose the best answer from the given alternative!
1. What is the primary function of the circulatory system?
A Transport oxygen and nutrients to cells
B Produce hormones
C Digest food
D Control body temperature
2. Which blood vessel carries blood away from the heart?
A Veins
B Capillaries
C Arteries
D Lymph vessels
3. What type of blood does the pulmonary artery carry?
A Oxygen-rich blood
B Oxygen-poor blood
C Nutrient-rich blood
D Carbon dioxide-rich blood
4. Which chamber of the heart pumps oxygenated blood to the body?
A Right atrium
B Left atrium
C Right ventricle
D Left ventricle
5. What prevents the backflow of blood in the heart?
A Valves
B Arteries
C Veins
D Capillaries
6. What is the liquid component of blood called?
A Plasma
B Serum
C Platelets
D Hemoglobin
7. Which blood cells are responsible for carrying oxygen?
A White blood cells
B Red blood cells
C Platelets
D Plasma cells
8. Where does the exchange of gases occur between blood and body cells?
A Arteries
B Veins
C Capillaries
D Heart
9. What is the role of platelets in the circulatory system?
A Fight infection
B Carry oxygen
C Help in blood clotting
D Transport nutrients
10. Which blood vessel has the thinnest walls?
A Arteries
B Veins
C Capillaries
D Arterioles
11. What is the name of the largest artery in the body?
A Pulmonary artery
B Carotid artery
C Aorta
D Femoral artery
12. Which blood cells help fight infections?
A Red blood cells
B White blood cells
C Platelets
D Plasma
13. What causes the โlub-dubโ sound of the heartbeat?
A Opening and closing of heart valves
B Blood flowing through arteries
C Contraction of muscles
D Breathing movements
14. Which part of the heart receives deoxygenated blood from the body?
A Left atrium
B Right atrium
C Left ventricle
D Right ventricle
15. How does the circulatory system help regulate body temperature?
A By producing sweat
B By adjusting blood flow to the skin
C By controlling breathing rate
D By digesting food
The end
Choose the best answer from the given alternative!
1. What is the primary function of the circulatory system?
A Transport oxygen and nutrients to cells
B Produce hormones
C Digest food
D Control body temperature
2. Which blood vessel carries blood away from the heart?
A Veins
B Capillaries
C Arteries
D Lymph vessels
3. What type of blood does the pulmonary artery carry?
A Oxygen-rich blood
B Oxygen-poor blood
C Nutrient-rich blood
D Carbon dioxide-rich blood
4. Which chamber of the heart pumps oxygenated blood to the body?
A Right atrium
B Left atrium
C Right ventricle
D Left ventricle
5. What prevents the backflow of blood in the heart?
A Valves
B Arteries
C Veins
D Capillaries
6. What is the liquid component of blood called?
A Plasma
B Serum
C Platelets
D Hemoglobin
7. Which blood cells are responsible for carrying oxygen?
A White blood cells
B Red blood cells
C Platelets
D Plasma cells
8. Where does the exchange of gases occur between blood and body cells?
A Arteries
B Veins
C Capillaries
D Heart
9. What is the role of platelets in the circulatory system?
A Fight infection
B Carry oxygen
C Help in blood clotting
D Transport nutrients
10. Which blood vessel has the thinnest walls?
A Arteries
B Veins
C Capillaries
D Arterioles
11. What is the name of the largest artery in the body?
A Pulmonary artery
B Carotid artery
C Aorta
D Femoral artery
12. Which blood cells help fight infections?
A Red blood cells
B White blood cells
C Platelets
D Plasma
13. What causes the โlub-dubโ sound of the heartbeat?
A Opening and closing of heart valves
B Blood flowing through arteries
C Contraction of muscles
D Breathing movements
14. Which part of the heart receives deoxygenated blood from the body?
A Left atrium
B Right atrium
C Left ventricle
D Right ventricle
15. How does the circulatory system help regulate body temperature?
A By producing sweat
B By adjusting blood flow to the skin
C By controlling breathing rate
D By digesting food
The end
โค13
If a force of 2N makes an angel of 37ยฐ with a force of 5N. The magnitude of resultant force is (cos 37ยฐ = 0.8)
Anonymous Quiz
17%
45N
44%
3โ5 N
33%
6.6N
7%
โ13 N
๐ค1
If 4n - 6 is the nth term of an arithmetic sequence, then what is 10th term?
Anonymous Quiz
8%
40
12%
100
76%
34
3%
46
Let f(x) = 5x + 4 and gof(x) = 7x - 1, then what is g(x)?
Anonymous Quiz
52%
7x/5 - 33/5
17%
7x - 33
28%
7x/5 + 33/5
4%
7x + 33
โค7
If f is the greatest integer function and g is absolute value function, then what is the value of fog(3/2) + gof(-4/3)?
Anonymous Quiz
19%
1
39%
-1
30%
3
12%
2
Which one of the following relation is a function?
Anonymous Quiz
29%
x is a mother of y
47%
y is a father of x
17%
y is a factor of x
7%
y is multiple of x
Which one of the following is the domain of 3xยณ-2x+3/xยฒ-3ยฒ?
Anonymous Quiz
8%
R|{3}
9%
R|{-3}
71%
R|{-3,3}
9%
R
2%
None of the above
แจแฅแแถแฝ แแ ๐ฉโ๐งโ๐ง๐ฉโ๐ฆโ๐ฆ
Motherโs day ๐ฉโ๐ง๐ฉโ๐ฆ๐ฉโ๐งโ๐ง๐ฉโ๐ฆโ๐ฆ๐ฉโ๐งโ๐ฆ๐คฐ๐คฑ
May 10,2026๐ซถ๐ฝ
แจแฅแแต แแแญ แแแแแญ แจแแแต แ แแญ แแแข
แฅแแต แแแต แตแญแแ แจแฃแต แแ แจแฅแแตแ แตแญแแ แแแฐแญแแ แแแต แ แญแแแแตแ แจแแแ แแฅแจแณแต แฅแแต แตแแซแแฝ แจแแ แแ แแแฎ แแแ แ แแง แ แแแ แตแแซแแฝ แข
แจแซแทแ แ แญแแต แณแตแฐแตแต แแแ แตแฐแฃแแฝ แ แ แฅแแต แฅแแต ......แแต แแแ แ แแฅ แแตแฅ แตแแซแแฝ ::
แญแฅแญแฃ แจแ แ แแตแแฃ แคแ แฃแฐแตแณ แฅแ แฐแแ แแแต แฅแแถแปแฝแ๐๐๐
แซแ แ แแแ แแ แแต
แณแแแ แซแ แญแแต แฐแแแต
แฅแ แ แ แญแแฝแ แ แ แแแแฃ
แ แแต แแณ แแตแฝ แฒแฃแฃ
แแ แตแตแญ แฐแจแแแปแ
แจแฅแแต แแ แญ แแ แจแแแปแ
แแ แแฅแ แญแฐแซแปแแขโค๏ธ
Drop read heart if you love your Mom!
@maths_group11
Motherโs day ๐ฉโ๐ง๐ฉโ๐ฆ๐ฉโ๐งโ๐ง๐ฉโ๐ฆโ๐ฆ๐ฉโ๐งโ๐ฆ๐คฐ๐คฑ
May 10,2026๐ซถ๐ฝ
แจแฅแแต แแแญ แแแแแญ แจแแแต แ แแญ แแแข
แฅแแต แแแต แตแญแแ แจแฃแต แแ แจแฅแแตแ แตแญแแ แแแฐแญแแ แแแต แ แญแแแแตแ แจแแแ แแฅแจแณแต แฅแแต แตแแซแแฝ แจแแ แแ แแแฎ แแแ แ แแง แ แแแ แตแแซแแฝ แข
แจแซแทแ แ แญแแต แณแตแฐแตแต แแแ แตแฐแฃแแฝ แ แ แฅแแต แฅแแต ......แแต แแแ แ แแฅ แแตแฅ แตแแซแแฝ ::
แญแฅแญแฃ แจแ แ แแตแแฃ แคแ แฃแฐแตแณ แฅแ แฐแแ แแแต แฅแแถแปแฝแ๐๐๐
แซแ แ แแแ แแ แแต
แณแแแ แซแ แญแแต แฐแแแต
แฅแ แ แ แญแแฝแ แ แ แแแแฃ
แ แแต แแณ แแตแฝ แฒแฃแฃ
แแ แตแตแญ แฐแจแแแปแ
แจแฅแแต แแ แญ แแ แจแแแปแ
แแ แแฅแ แญแฐแซแปแแขโค๏ธ
Drop read heart if you love your Mom!
@maths_group11
โค15๐ฅฐ5