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42 questions · self-marked practice — reveal the answer and mark yourself.

Question 11 Mark
In the following cases, state whether you can draw line segments on the given surfaces:
The face of a cuboid.
Answer
Yes, we can draw line segments on the face of the cuboids.
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Question 21 Mark
State which of the following statements are true (T) and which are false (F):
All lines in a horizontal plane are horizontal.
Answer
True.
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Question 31 Mark
Give three examples from your environment of:
Plane surface.
Answer
Plane of a surface: The surface of a smooth wall, the surface of the top of a table and the surface of a smooth white board.
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Question 41 Mark
Can you draw a line on the surface of a sphere which lies wholly on it?
Answer
No, we cannot draw a line on the surface of the sphere, which lies wholly on it.
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Question 51 Mark
State which of the following statements are true (T) and which are false (F):
The minimum number of points of intersection of three lines is one.
Answer
False.
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Question 61 Mark
Fill in the blanks in the following statements using suitable words:
An inkpot has both ...... surfaces
Answer
An inkpot has both curved and plane surfaces.
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Question 81 Mark
Give three examples from your environment of:
Curved surfaces.
Answer
Curved surface: The surface of a gas cylinder, the surface of a tea pot and the surface of an ink pot.
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Question 91 Mark
Fill in the blanks in the following statements using suitable words:
A page of a book is a physical example of a ....
Answer
A page of a book is a physical example of a plane.
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Question 101 Mark
State which of the following statements are true (T) and which are false (F):
Two lines in a plane always intersect in a point.
Answer
False.
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Question 111 Mark
Give three examples from your environment of:
Portion of a plane.
Answer
Portion of a plane: The surface of the sheet of the paper, the surface of calm water in a swimming pool and the surface of a mirror.
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Question 121 Mark
In the following cases, state whether you can draw line segments on the given surfaces:
The surface of an egg or apple.
Answer
No, we cannot draw a line segment on the surface of an egg or apple.
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Question 131 Mark
State which of the following statements are true (T) and which are false (F):
Four points are collinear if any three of them lie on the same line.
Answer
False.
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Question 141 Mark
Give three examples from your environment of:
Points.
Answer
Points: The period at the end of the sentence, a pinhole on the map and the point at which two walls and the floor meet at the corner of the room.
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Question 161 Mark
Give three examples from your environment of:
Portion of a line.
Answer
Portion of a line: Tightly stretched power cables, laser beams, and thin curtain rods.
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Question 171 Mark
State which of the following statements are true (T) and which are false (F):
If two lines intersect at a point P, then P is called the point of concurrence of the two lines.
Answer
False.
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Question 191 Mark
In points are given in two rows. Join the points AM, HE, TO, RUN, IF. How many line segments are formed?
Answer
If we join the points AM, HE, RUN, IF, 6 line segments can be formed.

These six line segments are AM, HE, RU, IF, UN.
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Question 201 Mark
Mark three points in your notebook and name them.
Answer
Three points, namely A,P and H can be marked as follows:
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Question 211 Mark
State which of the following statements are true (T) and which are false (F):
Point has a size because we can see it as a thick dot on paper.
Answer
False.
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Question 231 Mark
State which of the following statements are true (T) and which are false (F):
Two lines in a plane always intersect in a point.
Answer
False.
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Question 241 Mark
State which of the following statements are true (T) and which are false (F):
If A,B,C and D are collinear points D, P and Q are collinear, then points A, B, C, D, P and Q are always collinear.
Answer
False.
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Question 251 Mark
State which of the following statements are true (T) and which are false (F):
There cannot be a horizontal line a vertical plane.
Answer
False.
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Question 271 Mark
State which of the following statements are true (T) and which are false (F):
Any plane through a vertical line is vertical.
Answer
True.
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Question 281 Mark
State which of the following statements are true (T) and which are false (F):
Any plane through a horizontal line is horizontal.
Answer
False.
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Question 291 Mark
State which of the following statements are true (T) and which are false (F):
The maximum number of points of intersection of three lines is three.
Answer
True.
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Question 301 Mark
State which of the following statements are true (T) and which are false (F):
Two different lines can be drawn passing through two given points.
Answer
False.
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Question 321 Mark
Mark a point on a sheet of paper and draw a line passing through it. How many lines can you raw through this point?
Answer
Unlimited number of lines can be drawn passing through a point L,
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Question 331 Mark
Draw a line in your notebook and name it using a small letter of the alphabet.
Answer
Let us draw a line and name it l
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Question 351 Mark
State which of the following statements are true (T) and which are false (F):
Through a given point only one line can be drawn.
Answer
False.
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Question 361 Mark
Illustrate, if possible, one of the following with a rough diagram:
A polygon with two sides.
Answer
A polygon with two sides is not possible.
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Question 371 Mark
State which of the following statements are true (T) and which are false (F):
By liens in geometry, we mean only straight lines.
Answer
True.
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Question 381 Mark
Give an example of the horizontal plane and a vertical plane from your environment.
Answer
Ceiling of a room is an example of a horizontal plane in our environment. Wall of a room is an example of a vertical plane in our environment.
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Question 401 Mark
Draw a line in your notebook and name it by taking any two points on it.
Answer
Let us first draw a line. Two points on it are P and Q. Now, the line can be written as line PQ,
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Question 411 Mark
State which of the following statements are true (T) and which are false (F):
If two lines intersect at a point P, then p is called the point of intersection of the two lines.
Answer
True.
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Question 421 Mark
Fill in the blanks in the following statements using suitable words:
Two lines in a plane are either ..... or are ......
Answer
Two lines in a plane are either parallel or are intersecting.
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