ICSE Board Practice

Class VI Class VII Class VIII Class IX Class X
ICSE Grade VIII - Lines and Angles
Question 1
1.
The following angle represents
  • right angle
  • complete angle
  • acute angle
  • obtuse angle
  • reflex angle
Question 2
2.
Which of the given figures is wrong?
  • III
  • I
  • IV
  • II
Question 3
3.
Which of the following is a complete angle?
  • 180°
  • 86°
  • 115°
  • 360°
  • 0°
Question 4
4.
In the given figure, e , f , g , h , i , j  are lines in a plane. By looking at the figure, which of the following are true?
a)
    • i
    • is the transversal of
    • g
    • &
    • h
b)
    • j
    • is the transversal of
    • g
    • &
    • e
c)
    • h
    • is the transversal of
    • e
    • &
    • f
d)
    • e
    • is the transversal of
    • g
    • &
    • i
e)
    • e
    • ∥
    • h
f)
    • e
    • ∥
    • f
  • {d,e,c}
  • {d,a}
  • {e,b}
  • {a,b,c,f}
  • {d,f,a}
Question 5
5.
Which of the following are true for corresponding angles?
a)
They are adjacent angles
b)
Both are interior angles
c)
They are on the same side of the transversal
d)
They are not adjacent angles
e)
They are on either side of the transversal
f)
One is interior angle and the other is exterior angle
  • {b,c,d}
  • {a,c}
  • {e,a,f}
  • {b,d}
  • {c,d,f}
Question 6
6.
Which of the following figures represent a ray?
  • fig 2
  • fig 1
  • fig 3
Question 7
7.
Identify the figure below
  • triangle
  • circle
  • octagon
  • decagon
  • angle
Question 8
8.
Which of the following are true?
a)
If two lines are parallel to the same line, then they are parallel to each other
b)
    • If
    •  
    • o
    • ∥
    • p
    •  
    • and
    •  
    • p
    • ∥
    • q
    •  
    • , then
    •  
    • o
    • ∥
    • q
c)
    • If
    •  
    • o
    • ⟂
    • p
    •  
    • and
    •  
    • p
    • ⟂
    • q
    •  
    • , then
    •  
    • o
    • ⟂
    • q
d)
    • If
    •  
    • o
    • ⟂
    • p
    •  
    • and
    •  
    • o
    • ⟂
    • q
    •  
    • , then
    •  
    • p
    • ⟂
    • q
e)
If two lines are parallel to the same line, then they are perpendicular to each other
  • {c,a}
  • {d,b}
  • {e,c,a}
  • {a,b}
  • {d,b,a}
Question 9
9.
Which of the following is a straight angle?
  • 90°
  • 360°
  • 180°
  • 109°
  • 0°
Question 10
10.
The following lines represent
  • perpendicular lines
  • parallel lines
  • concurrent lines
  • coplanar lines
  • intersecting lines