Which of the following is a weak electrolyte?A solution of
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5%
Nitric acid
20%
Hydrochloric acid
0%
Sulphuric Acid
75%
Acetic acid
Which of the following are major charge carriers in electrolytic conduction?
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33%
Freely moving electrons
0%
Water molecules
62%
Cation &anions
5%
Neutral
Which of the following combination is correctly matched?
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5%
Anion ➡️an ion that gains electrons to form atoms
15%
Cation ➡️an ion that loses electrons to form atoms
70%
Anode ➡️a positive electrode in an electrolytic Cell
10%
Cathode ➡️am electrode that attracts anions
Which of the following conduct electricity without any chemical change?
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6%
Sulphuric acid solution
17%
Sodium chloride solution
44%
Copper metal
33%
Molten lead bromide
The reaction that takes place at each electrode in an electrochemical cell is known as
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6%
Reduction
56%
Cell reaction
6%
Oxidation
31%
Half-cell
During electrolysis process
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33%
Cation lose electrons to form atoms
17%
Cation are oxidized
39%
Anions are attracted to the positive electrode
11%
Anions are reduced
Which statements describes where oxidation &reduction half-reaction in an operating electrochemical cell?
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5%
Oxidation &reduction both occur at the anode
5%
Oxidation &reduction both occur at the cathode
26%
Oxidation occurs at the cathode &reduction occurs at the anode
63%
Oxidation occurs at the anode and reduction occurs at the cathode
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We want to determine the percentage of our students who are in social and natural sciences. This information helps us provide you with the best possible experience.
Anonymous Poll
60%
Natural
19%
Social
13%
Grade 10 and lower
8%
Freshman
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1000 BIOLOGY QUESTIONS 2025 last.docx
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1000 Biology Multiple choice Questions.
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Credit: Saint Joseph School
Addis Ababa
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@Quiz_channel100
እባካችሁ ለጓደኞቻችሁ አጋሩ።
Credit: Saint Joseph School
Addis Ababa
♡ ㅤ ⎙ㅤ ⌲ ✉️
ˡᶦᵏᵉ ˢᵃᵛᵉ ˢʰᵃʳᵉ ᶜᵒᵐᵐᵉⁿᵗ
@Quiz_channel100
Subject :mathematics
Grade: 9
1. Which of the following best describes the notion of sets?
A) A collection of unrelated elements
B) A group of elements with a common property
C) A single element
D) A random assortment of numbers
2. What is the result of the operation of intersection between two sets?
A) Elements that are common to both sets
B) All elements of the two sets combined
C) Elements unique to the first set
D) Elements unique to the second set
3. Which of the following is an example of a rational number?
A) √2
B) -5
C) 3/4
D) π
4. What type of number is √2?
A) Rational
B) Integer
C) Irrational
D) Real
5. What is the sum of the interior angles of a convex polygon with 5 sides?
A) 540 degrees
B) 360 degrees
C) 720 degrees
D) 180 degrees
6. What is the ratio of perimeters of two similar plane figures if the ratio of their sides is 3:5?
A) 3:5
B) 5:3
C) 8:15
D) 15:8
7. In solving equations, what is the value of x in the equation 2x + 5 = 15?
A) x = 5
B) x = 6
C) x = 7
D) x = 8
8. Which of the following is an example of a linear inequality?
A) x² > 5
B) 3x + 4 < 10
C) √x ≥ 3
D) |x| = 2
9. What trigonometric ratio represents the ratio of the opposite side to the hypotenuse in a right-angled triangle?
A) Sin
B) Cos
C) Tan
D) Cot
10. What is the sum of the exterior angles of a convex polygon with 7 sides?
A) 540 degrees
B) 360 degrees
C) 720 degrees
D) 180 degrees
11. Which of the following is a scalar quantity?
A) Velocity
B) Force
C) Mass
D) Displacement
12. What is the representation of a vector with magnitude 5 and direction due east?
A) 5i
B) 5j
C) 5i + 5j
D) 5i - 5j
13. How many degrees are in a full rotation in a two-dimensional vector space?
A) 180 degrees
B) 360 degrees
C) 90 degrees
D) 270 degrees
14. Which of the following is an example of a rational number?
A) √3
B) 2/3
C) -√5
D) π
15. What is the result of the operation of union between two sets?
A) Elements that are common to both sets
B) All elements of the two sets combined
C) Elements unique to the first set
D) Elements unique to the second set
16. What type of number is 5/7?
A) Rational
B) Integer
C) Irrational
D) Real
17. What trigonometric ratio represents the ratio of the adjacent side to the hypotenuse in a right-angled triangle?
A) Sin
B) Cos
C) Tan
D) Cot
18. What trigonometric ratio represents the ratio of the opposite side to the adjacent side in a right-angled triangle?
A) Sin
B) Cos
C) Tan
D) Cot
19. Which of the following is an example of a linear equation?
A) x² = 9
B) 2x + 3 = 7
C) |x| = 4
D) √x = 2
20. What is the result of the operation of difference between two sets?
A) Elements that are common to both sets
B) All elements of the two sets combined
C) Elements unique to the first set
D) Elements unique to the second set
Answer
1. B
2. A
3. C
4. C
5. A
6. A
7. B
8. B
9. A
10. B
11. C
12. A
13. B
14. B
15. B
16. A
17. B
18. C
19. B
20. A
For more knowledge join @bestchannelstudy
Grade: 9
1. Which of the following best describes the notion of sets?
A) A collection of unrelated elements
B) A group of elements with a common property
C) A single element
D) A random assortment of numbers
2. What is the result of the operation of intersection between two sets?
A) Elements that are common to both sets
B) All elements of the two sets combined
C) Elements unique to the first set
D) Elements unique to the second set
3. Which of the following is an example of a rational number?
A) √2
B) -5
C) 3/4
D) π
4. What type of number is √2?
A) Rational
B) Integer
C) Irrational
D) Real
5. What is the sum of the interior angles of a convex polygon with 5 sides?
A) 540 degrees
B) 360 degrees
C) 720 degrees
D) 180 degrees
6. What is the ratio of perimeters of two similar plane figures if the ratio of their sides is 3:5?
A) 3:5
B) 5:3
C) 8:15
D) 15:8
7. In solving equations, what is the value of x in the equation 2x + 5 = 15?
A) x = 5
B) x = 6
C) x = 7
D) x = 8
8. Which of the following is an example of a linear inequality?
A) x² > 5
B) 3x + 4 < 10
C) √x ≥ 3
D) |x| = 2
9. What trigonometric ratio represents the ratio of the opposite side to the hypotenuse in a right-angled triangle?
A) Sin
B) Cos
C) Tan
D) Cot
10. What is the sum of the exterior angles of a convex polygon with 7 sides?
A) 540 degrees
B) 360 degrees
C) 720 degrees
D) 180 degrees
11. Which of the following is a scalar quantity?
A) Velocity
B) Force
C) Mass
D) Displacement
12. What is the representation of a vector with magnitude 5 and direction due east?
A) 5i
B) 5j
C) 5i + 5j
D) 5i - 5j
13. How many degrees are in a full rotation in a two-dimensional vector space?
A) 180 degrees
B) 360 degrees
C) 90 degrees
D) 270 degrees
14. Which of the following is an example of a rational number?
A) √3
B) 2/3
C) -√5
D) π
15. What is the result of the operation of union between two sets?
A) Elements that are common to both sets
B) All elements of the two sets combined
C) Elements unique to the first set
D) Elements unique to the second set
16. What type of number is 5/7?
A) Rational
B) Integer
C) Irrational
D) Real
17. What trigonometric ratio represents the ratio of the adjacent side to the hypotenuse in a right-angled triangle?
A) Sin
B) Cos
C) Tan
D) Cot
18. What trigonometric ratio represents the ratio of the opposite side to the adjacent side in a right-angled triangle?
A) Sin
B) Cos
C) Tan
D) Cot
19. Which of the following is an example of a linear equation?
A) x² = 9
B) 2x + 3 = 7
C) |x| = 4
D) √x = 2
20. What is the result of the operation of difference between two sets?
A) Elements that are common to both sets
B) All elements of the two sets combined
C) Elements unique to the first set
D) Elements unique to the second set
Answer
1. B
2. A
3. C
4. C
5. A
6. A
7. B
8. B
9. A
10. B
11. C
12. A
13. B
14. B
15. B
16. A
17. B
18. C
19. B
20. A
For more knowledge join @bestchannelstudy