7th Class General Science MCQ Test With Answer for General Science chapter 9

MCQ's Test For Chapter 9 "General Science 7th Class English Medium Chapter 9 Online Test"

Try The MCQ's Test For Chapter 9 "General Science 7th Class English Medium Chapter 9 Online Test"

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General Science 7th Class English Medium Chapter 9 Online Test

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Question # 1

Which of the followig features of a wave is the number of waves that pass by each second.

Question # 2

Sound waves are not.

Question # 3

Which of the following animals can respond to highest frquency.

Question # 4

Dolphins can hear sound underwater from up to ............ away

Question # 5

Which of the following features is the height of the wave from the rest position or mid line.

Question # 6

What is transferred by teh movement of waves.

Question # 7

Wave are of .............. types.

Question # 8

Sound is a form of.

Question # 9

Which of the following features of a wave is the number of waves that pass by each second.

Question # 10

What type of wave does not need matter to travel through.

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9th Chapter

7th General Science English Medium Chapter 9 Test

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7th General Science (English Medium) Chapter 9 Important MCQ's

Sr.# Question Answer
1 ------------ waves are produced in stretched string.
A. Longitudinal wave
B. Elecromagnetic wave
C. Transverse wave
D. None of these
2 The speed of sound in air is.
A. 100 m/s
B. 300 m/s
C. 100 m/s
D. 330 m/s
3 Sound cannot pass through.
A. Solid
B. Liquid
C. Vacuum
D. Gasses
4 Which of the following animals can respond to highest frquency.
A. Bat
B. Cat
C. Frog
D. Dolphin
5 Sound is a form of.
A. Energy
B. Wave
C. Frequency
D. intensity
6 An object produce a sound with a frequency of 50 Hz. Find its tiem period.
A. 0.01 sec
B. 0.03 sec
C. 0.02 sec
D. 0.04 sec
7 Which of the followig features of a wave is the number of waves that pass by each second.
A. Loudness
B. Amplitude
C. Frequncy
D. Wave speed
8 Sound waves are not.
A. Compressional waves
B. Transverse waves
C. Mechnical waves
D. Low frequency waves
9 What type of wave does not need matter to travel through.
A. Mechaical
B. Electromagnetic
C. Sound
D. Transverse
10 What is transferred by teh movement of waves.
A. matter
B. energy
C. both a and b
D. None of these

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