CBSE Class 9 Maths – MCQ and Online Tests – Unit 5 – Introduction to Euclid’s Geometry
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CBSE Class 9 Maths – MCQ and Online Tests – Unit 5 – Introduction to Euclid’s Geometry
Question 1.
‘Lines are parallel if they do not intersect’ is stated in the form of:
(a) an axiom
(b) a definition
(c) a postulate
(d) a proof
Answer
Answer: (b) a definition
Question 2.
The things which coincide with one another are:
(a) equal
(b) unequal
(c) half of same thing
(d) triple of one another
Answer
Answer: (a) equal
Question 3.
The things which are double of same thing are
(a) equal
(b) halves of same thing
(c) unequal
(d) double of the same thing
Answer
Answer: (a) equal
Question 4.
Which of the following statements is incorrect?
(?) A line segment has definite length.
(b) Three lines are concurrent if and only if they have a common point.
(c) Two lines drawn in a plane always intersect at a point.
(d) One and only one line can be drawn passing through a given point and parallel to a given line.
Answer
Answer: (c) Two lines drawn in a plane always intersect at a point.
Question 5.
Select the wrong statement:
(?) Only one line can pass through a single point.
(b) Only one line can pass through two distinct points.
(c) A terminated line can be produced indefinitely on both the sides.
(d) If two circles are equal, then their radii are equal.
Answer
Answer: (?) Only one line can pass through a single point.
Question 6.
Which one of the following statements is true?
(a) Only one line can pass through a single point.
(b) There are an infinite number lines which pass through two distinct points.
(c) Two distinct lines cannot have more than one point in common.
(d) If two circles are equal, then their radii are not equal.
Answer
Answer: (c) Two distinct lines cannot have more than one point in common.
Question 7.
The number of dimensions, a solid has:
(a) 1
(b) 2
(c) 3
(d) 0
Answer
Answer: (c) 3
Question 8.
If the point P lies in between M and N and C is mid point of MP, then:
(a) MC + PN = MN
(b) MP + CP – MN
(c) MC + CN = MN
(d) CP + CN = MN
Answer
Answer: (c) MC + CN = MN
Question 9.
In Indus valley civilisation (about 3000 BC), the bricks used for construction work were having dimensions in the ratio
(a) 1 : 3 : 4
(b) 4 : 2 : 1
(c) 4 : 4 : 1
(d) 4 : 3 : 2
Answer
Answer: (b) 4 : 2 : 1
Question 10.
Two planes intersect each other to form a:
(a) plane
(b) point
(c) straight line
(d) angle
Answer
Answer: (c) straight line
Question 11.
Which of the following needs a proof?
(a) theorem
(b) Axiom
(c) Definition
(d) Postulate
Answer
Answer: (a) theorem
Question 12.
The number of lines that can pass through a given point is
(a) two
(b) none
(c) only one
(d) infinitely many
Answer
Answer: (d) infinitely many
Question 13.
Euclid stated that all right angles are equal to each other in the form of:
(a) an axiom
(b) a definition
(c) a postulate
(d) a proof
Answer
Answer: (c) a postulate
Question 14.
The number of line segments determined by three collinear points is:
(a) two
(b) three
(c) only one
(d) four
Answer
Answer: (b) three
Question 15.
Number of dimension(s) a surface has:
(a) 0
(b) 1
(c) 2
(d) 3
Answer
Answer: (c) 2
Question 16.
The total number of propositions in the elements are:
(a) 465
(b) 460
(c) 13
(d) 55
Answer
Answer: (a) 465
Question 17.
Euclid stated that things which are equal to the same thing are equal to one another in the form of:
(a) an axiom
(b) a definition
(c) a postulate
(d) a proof
Answer
Answer: (a) an axiom
Question 18.
Given four points such that no three of them are collinear, then the number of lines that can be drawn through them is:
(a) 2 lines
(b) 4 lines
(c) 6 lines
(d) 8 lines
Answer
Answer: (c) 6 lines
Question 19.
Two intersecting lines cannot be parallel to the same line, is stated in the form of:
(a) an axiom
(b) a definition
(c) a postulate
(d) a proof
Answer
Answer: (c) a postulate
Question 20.
How many lines do pass through two distinct points?
(a) 1
(b) 2
(c) 3
(d) 4
Answer
Answer: (a) 1
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