MCQ Questions for Class 9 Maths: Ch 5 Introduction to Euclid’s Geometry

MCQ Questions for Class 9 Maths: Ch 5 Introduction to Euclid’s Geometry

1. The boundaries of solid are called:
(a) Surfaces
(b) Curves
(c) Lines
(d) Points
► a) Surfaces

2. The edges of the surface are :
(a) Points
(b) Curves
(c) Lines
(d) None of the above
► (c) Lines

3. The shape of base of Pyramid is:
(a) Triangle
(b) Square
(c) Rectangle
(d) Any polygon
► (d) Any polygon

4. A solid has __________dimensions.
(a) One
(b) Two
(c) Three
(d) Zero
► c) Three

5. The line drawn from the center of the circle to any point on its circumference is called:
(a) Radius
(b) Diameter
(c) Sector
(d) Arc
► (a) Radius

6. Boundaries of solids are:
(a) Surfaces
(b) Curves
(c) Lines
(d) Points
► (a) Surfaces

7. The base of a Pyramid is:
(a) Only a triangle
(b) Only a square
(c) Only a rectangle
(d) Any polygon
► (b) Only a square

8. In ancient India, the shapes of altars used for household rituals were:
(a) Squares and circles
(b) Triangles and rectangles
(c) Trapeziums and pyramids
(d) Rectangles and squares
► (a) Squares and circles

9. The first known proof that ‘the circle is bisected by its diameter’ was given by:
(a) Pythagoras
(b) Thales
(c) Euclid
(d) Hypatia
► (b)Thales

10. The number of dimensions a solid has is:
(a) 1
(b) 2
(c) 3
(d) 0
► c) 3

11. Theorems are statements which are proved using definitions, _________, previously proved statements and deductive reasoning.
(a) Definitions
(b) Axioms
(c) Theorems
(d) Statements
► (b) Axioms

12. Two distinct lines :
(a) Always intersect
(b) Either intersect or parallel
(c) Always have two common points
(d) Always parallel
► (b) Either intersect or parallel

13. Euclid's Axiom 5 is :
(a) The things which coincide with one another are equal to one another
(b) If equals are subtracted from equals, the remainder are equal
(c) The whole is greater than the part.
(d) None of these
► (c) The whole is greater than the part.

14. Euclid's Postulate 1 is :
(a) A straight line may be drawn from any point to any other point.
(b) A terminated line can be produced indefinitely
(c) All right angles are equal to one another
(d) None of these
► (a) A straight line may be drawn from any point to any other point.

15. The edges of a surface are.
(a) Lines
(b) Points
(c) Rays
(d) Planes
► (a) Lines

16. Axiom and postulates are
(a) Conclusions
(b) Reasons
(c) Assumptions
(d) Questions
► (c) Assumptions

17. The things which are double of same things are:
(a) halves of same thing
(b) double of the same thing
(c) Equal
(d) Unequal
► (c) Equal

18. How many points can be common in two distinct straight lines?
(a) one
(b) two
(c) three
(d) None
► (a) one

19. If two circles are equal, then their radii are .................
(a) Equal
(b) Diminished
(c) Different
(d) None of these
► (a) Equal

20. Maximum numbers of points that can lie on a line are:
(a) Innumerable
(b) Two
(c) One
(d) Three
► (a) Innumerable

21. ‘Lines are parallel if they do not intersect’ – is stated in the form of:
(a) A postulate
(b) An axiom
(c) A definition
(d) A proof
► (a) A postulate

22. Euclid stated that all right angles are equal to each other in the form of
(a) a postulate
(b) an axiom
(c) a definition
(d) none of these
► (a) a postulate

23. If a > b and b > c, then,
(a) a = c
(b) a < c
(c) a > c
(d) a ≤ c
► (c) a > c

24. Three or more lines are called concurrent lines if they pass through ................. point.
(a) Two
(b) Three
(c) Same
(d) None of these
► (c) Same
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