Home / Class 9 Math / Ch 5 Introduction to Euclid’s Geometry- MCQ Online Test 3 Class 9 Maths
Chapter 5 Introduction to Euclid’s Geometry- MCQ Online Test 3 Class 9 Maths
1. What are the basic facts which are taken for granted, without proof called?
a. Theorems
b. Axioms
c. Lemmas
d. Propositions
2. What is a line segment, when extended indefinitely in one direction is called?
a. Line
b. Ray
c. Square
d. None of these
3. Which of the following is not a rectilinear figure?
a. Rectangle
b. Square
c. Circle
d. Rhombus
4. Which of the following is not a solid?
a. Cube
b. Circle
c. Cylinder
d. Cone
5. Two lines are said to be _________, if they intersect at right angles.
a. Parallel
b. Perpendicular
c. Concurrent
d. None of these
6. Which of the following is a solid?
a. Cylinder
b. Rectangle
c. Square
d. Circle
7. The line segment with one end point at the center and the other at any point on the circle is called __________.
a. Chord
b. Diameter
c. Radius
d. None of these
8.
a. AX < CY
b. AX = CY
c. AX > CY
d. None of these
9. If a straight line falling on two straight lines makes the interior angles on the same side of it taken together less than 180∘, then the two straight lines, if produced indefinitely, meet on that side on which are the angles taken together?
a. < 180∘
b. > 180∘
c. = 180∘
d. None of these
10. A and B have the same weight. If they gain weight by 3 kg, then
a. Weight of A < Weight of B
b. Weight of A > Weight of B
c. Weight of A = Weight of B
d. None of these
Chapter - 5 Introduction to Euclids Quiz-3 | Math Class 9th
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Question 1 of 10
1. Question
What are the basic facts which are taken for granted, without proof called?
Correct
An axiom is a proposition regarded as self-evidently true without proof.
Incorrect
An axiom is a proposition regarded as self-evidently true without proof.
Question 2 of 10
2. Question
What is a line segment, when extended indefinitely in one direction is called?
Correct
A ray is part of a line, has one fixed endpoint, and extends infinitely along the line from the endpoint.
Incorrect
A ray is part of a line, has one fixed endpoint, and extends infinitely along the line from the endpoint.
Question 3 of 10
3. Question
Which of the following is not a rectilinear figure?
Correct
A rectilinear figure is a figure all of whose edges meet at right angles. A circle has no edge.
Incorrect
A rectilinear figure is a figure all of whose edges meet at right angles. A circle has no edge.
Question 4 of 10
4. Question
Which of the following is not a solid?
Correct
Any 3D figure is considered to be a solid. A circle is a 2D figure, so, it cannot be considered as a solid.
Incorrect
Any 3D figure is considered to be a solid. A circle is a 2D figure, so, it cannot be considered as a solid.
Question 5 of 10
5. Question
Two lines are said to be _________, if they intersect at right angles.
Correct
A line is perpendicular to another if it meets or crosses it at right angles (90°).
Incorrect
A line is perpendicular to another if it meets or crosses it at right angles (90°).
Question 6 of 10
6. Question
Which of the following is a solid?
Correct
All the other figures are 2D except cylinder which is 3D. Any 3D figure is considered to be a solid.
Incorrect
All the other figures are 2D except cylinder which is 3D. Any 3D figure is considered to be a solid.
Question 7 of 10
7. Question
The line segment with one end point at the center and the other at any point on the circle is called __________.
Correct
The radius of a circle is the distance from the center of the circle to any point on its circumference.
Incorrect
The radius of a circle is the distance from the center of the circle to any point on its circumference.
Question 8 of 10
8. Question
Correct
Since, AB = BC, we have AX+BX =CY + BY
And we have, BX = BY, hence, we can say that AX = CY
Incorrect
Since, AB = BC, we have AX+BX =CY + BY
And we have, BX = BY, hence, we can say that AX = CY
Question 9 of 10
9. Question
If a straight line falling on two straight lines makes the interior angles on the same side of it taken together less than 180∘, then the two straight lines, if produced indefinitely, meet on that side on which are the angles taken together?
Correct
According to Euclid’s fifth postulate, if a straight line crossing two straight lines makes the interior angles on the same side less than two right angles, the two straight lines, if extended indefinitely, meet on that side on which are the angles less than the two right angles.
Incorrect
According to Euclid’s fifth postulate, if a straight line crossing two straight lines makes the interior angles on the same side less than two right angles, the two straight lines, if extended indefinitely, meet on that side on which are the angles less than the two right angles.
Question 10 of 10
10. Question
A and B have the same weight. If they gain weight by 3 kg, then
Correct
Let the weights of A and B be ‘x’ kgs. If both of them gain weight by 3 kgs,
Their new weight would be ‘x+3’ kgs.
Hence, Weight of A = Weight of B.
Incorrect
Let the weights of A and B be ‘x’ kgs. If both of them gain weight by 3 kgs,
