Rising Nepal Secondary Boarding School

Final Examination 2073

Class: 4 F.M. 50

Time: 2 hrs. Subject: Science P.M. 16

1. Answer the following questions: 20

  1. What are the barriers they may prevent and effective communication?
  2. Describe the reason behind replacement of letters by fax now a days.
  3. What are the uses of hand pump? Write any two uses.
  4. What is shaft and rotor? Write functions of each.
  5. From where can we get health services?
  6. Write any two preventive measure of alcohol and smoking.
  7. How do you play zigzag relay?
  8. Write any two importance of tumbling?
  9. How many ways we can balance our body?
  10. How can line football be played?

2. Write the meaning of the following words: 5

catalog, marketing, irrigation, rotary engine, drug

3. Fill in the blanks with the words given in the box: 2.5

[Jet-engine, brain, Fax, elders, worthless]

  1. ………… sends written message instantaneously.
  2. ……….. is also known as turbine engine.
  3. The collected information will be …………. if we do not transmit it to other.
  4. Drugs affects the ………. of the person and harms body system.
  5. We should inform our ………… about the sick person.

4. Match the following: 5

Sanitation one way communication

Chamber act of moving ball

Radio good environment

Fax vessel

Dribbling sends written message

5. Write 'T' for true and 'F' for false statements: 2.5

  1. Communication is the process of sending message from a sender to the receiver.
  2. Spring is man-made source of water.
  3. Rotor is connected to one end of shaft.
  4. Health services are provided by doctors.
  5. Three touch pass is basically useful in playing football.

6. Name the following: 5

  1. Three types of turbine
  2. Two methods for central water distribution system
  3. Two media for two-way communication
  4. Two parts of radio
  5. Two diseases prevented by vaccination

7. Complete the following statements: 5

  1. The things from which we get information are called ………….
  2. Dribbling is an act of moving the ball by ……………
  3. Alcohol is made by chemical named ……………
  4. The moving liquid or gas contains …………….
  5. Water is necessary for ………………..

8. Draw a well labelled diagram of hand pump. 5

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