Rising Nepal Secondary Boarding School

First Terminal Examination 2076

Class: 8 F.M. 50

Time: 1 hr. 30 mins. Subject: Science P.M. 16

Group 'A'

10

  1. What is mass? Write its SI unit.
  2. What do you mean by 1 Joule work?
  3. State the law of conservation of energy.
  4. What is demagnetization?
  5. What is pH scale?
  6. Which mineral acid was discovered first?
  7. What is asexual reproduction?
  8. What do you mean by hermaphrodite?
  9. Write the functions of pericardium fluids.
  10. What is soil erosion?

Group 'B'

22

  1. Write the functions of RBC and WBC.
  2. Give two differences between external fertilization and internal fertilization.
  3. Why antacid like aluminum hydroxide is taken when one has gastric problem?
  4. Which base is used to make soap? Write its name with molecular formulae.
  5. Write some of the methods to protect magnetism of a magnet.
  6. Write four ways of conserving soil.
  7. Give differences between fundamental quantities and derived quantities.
  8. What is SI system? What are the basic units of length, mass and time?
  9. Write two differences between work and power.
  10. "All alkalis are bases, but all bases are not alkalis." Justify it.
  11. A crane lifts 75 N weight upto 40 m height in 2 minutes. Calculate the power of the crane.

Group 'C'

8

  1. Convert: a) 1 week to minutes b) 5000 grams to kg
  2. a) Draw a neat and labelled diagram of internal structure of heart.

b) Draw the flow chart of blood in human body.

-O-