JKBOSE Class 8th Science Paper 2017 (WZ)
ENGLISH – T2
Time Allowed: 2:30 Hrs. Maximum Marks: 40
JKBOSE Class 8th Science Paper 2017
Note: Attempt all questions.
Section – A (05 marks each)
Q.1. Differentiate between metals and non-metals.
Differentiate between an animal cell and a plant cell.
Q.2. What do you know about global warming? What are its consequences?
What is friction? Why does a ball roll on the ground slow down?
Section – B (03 marks each)
Q.3. Define acid rain. What are its effects?
Q.4. Draw a labelled diagram of an animal cell.
Q.5. Explain the changes you observe in the body at puberty.
Q.6. Why is a machine often oiled?
Section – C (02 marks each)
Q.7. Why do new automobile tyres have deep grooves?
Q.8. Why is phosphorus stored in the water?
Q.9. What is a comet?
Q.10. Who discovered the cell and also define a cell?
Q.11. Why are mitochondria called the powerhouse of the cell?
Q.12. Name any two ways in which water gets contaminated.
Q.13. Name any two unicellular animals.
Section – D (01 mark each)
Q.14. (i) Red blood cells have a nucleus. (True/False)
(ii) Cell wall is present in ……. Cells. (Fill in the blanks)
(iii) The power of an earthquake is expressed on a scale called ……(Fill in the blanks)
(iv) …….. is a metal which is found in liquid form.