downloaded from blue print … class … · science . time allowed:-2:30 hours ... state the laws...
TRANSCRIPT
![Page 1: Downloaded from BLUE PRINT … Class … · SCIENCE . TIME ALLOWED:-2:30 Hours ... State the laws of reflection and draw the diagram. 2 . ... The part of the human ear which vibrates](https://reader036.vdocument.in/reader036/viewer/2022062907/5a9debae7f8b9a4a238c3919/html5/thumbnails/1.jpg)
BLUE PRINT
SUBJECT : SCIENCE
CLASS :VIII
TIME ALLOWED: 2:30 Hrs MAX MARKS: - 60
FORM OF QUESTION VSA-1 MARK
SA-I, 2MARKS SA-II,3-MARKS
LA-5 MARKS MCQ-1MARKS TOTAL
UNIT
1 CROP PRODUCTION
AND MANAGEMENT
1(1) 5(1) 1(1) 7
2 COAL AND PETROLEUM 2(1) 3(2) 8
3 COMBUSTION AND
FLAME
1(1) 2(1) 3(1) 6
4 CONSERVATION OF
PLANTS AND ANIMALS
1(1) 5(1) 1(1) 7
5 REPRODUCTION IN
ANIMALS
1(1) 2(1) 5(1) 8
6 SOUND 2(1) 3(1) - 1(1) 6
7 LIGHT 2(1) 3(1) 1(1) 6
8 SOME NATURAL
PHENOMENA
1(1) 2(2) 1(1) 6
9 STARS AND SOLAR
SYSTEM
3(2) 6
TOTAL 1X(5)=5 2X(7)=14 3X(7)=21
5X(3)=15
1X(5)=5 60
Downloaded from www.studiestoday.com
Downloaded from www.studiestoday.com
![Page 2: Downloaded from BLUE PRINT … Class … · SCIENCE . TIME ALLOWED:-2:30 Hours ... State the laws of reflection and draw the diagram. 2 . ... The part of the human ear which vibrates](https://reader036.vdocument.in/reader036/viewer/2022062907/5a9debae7f8b9a4a238c3919/html5/thumbnails/2.jpg)
KENDRIYA VIDYALAYA SANGATHAN
CHANDIGARH REGION
CLASS VIII
SCIENCE
TIME ALLOWED:-2:30 Hours MAX MARKS:-60
GENERAL INSTRUCTIONS:
(1) The question paper comprises of two sections A and B . You have to attempt both the
sections.
(2) All questions are compulsory.
(3) Question number 1 to 5 are very short answer type questions. Each question carries 1 mark.
(4) Questionnumber 6 to 12 are short answer type questions. Each question carries 2 marks.
(5) Question number 13 to 19 are also short type questions. Each question carries 3 marks.
(6) Question number 20 to 22 are long answer type question. Each question carries 5 marks.
(7) Questionnumber 23 to 27are Multiple Choice Questions. Each question carries 1 mark.
SECTION –A
Q1. What is cutting of mature plants called? 1
Q2. What is the term given to lowest temperature at which a substance burns. 1
Q3. Define Deforestation. 1
Q4. Name the process of reproduction in hydra. 1
Q5. Name the device used to test whether an object is carrying a charge or not. 1
Q6. What is carbonization? 2
Q7. Draw a well labelled diagram of a candle flame. 2
Q8. Give the units of frequency and loudness. 2
Q9. State the laws of reflection and draw the diagram. 2
Q10.What is an earthquake and how is it measured? 2
Q11.What is lightning conductor? How does it work . 2
Q12. Differentiate between zygote and foetus. 2
Q13.Explain the process of formation of petroleum. 3
Q14.What is meant by combustion?Write any two conditions necessary for combustion? 3
Downloaded from www.studiestoday.com
Downloaded from www.studiestoday.com
![Page 3: Downloaded from BLUE PRINT … Class … · SCIENCE . TIME ALLOWED:-2:30 Hours ... State the laws of reflection and draw the diagram. 2 . ... The part of the human ear which vibrates](https://reader036.vdocument.in/reader036/viewer/2022062907/5a9debae7f8b9a4a238c3919/html5/thumbnails/3.jpg)
Q15. Identify the part which vibrates to produce sound in the following instruments. 3
i. Dholak
ii. Sitar
iii. flute
Q16. What are the characteristics of the image formed by plane mirror? 3
Q17. What is a constellation name any two constellations and draw sketches to show the relative
positions of prominent stars in them. 3
Q18. I)Define light year. (1 +1+1 =3)
ii) what are artificial satellites ?
iii) What are their uses (Any Two).
Q19. Mention one use each of (i) Coke (ii) Coal gas (iii) Bitumen. 3
Q20. I) What are the advantages of using manures. (2+3=5)
ii) Explain how fertilizers are different from manures.
Q21. Define asexual reproduction.Name two methods of asexual reproduction .Explain any one
and draw the diagram. (5)
Q22. (a) Differentiate between zoo and sanctuary. (2+3)
(b) Explain how deforestation leads to reduced rainfall.
SECTION - B
Multiple choice questions(5 Marks)
Choose the correct option and write in the answer sheet
Q23. One of the following is a Rabi crop-
i) Wheat iii)Soyabean
ii) Paddy iv) Cotton
Q24. Which of following is an extinct species?
i) Elephant ii) cat
iii) Pig iv) dodo
Q25. The part of the human ear which vibrates when sound is produced is:
i) Pinna or external year
ii) Ear drum
Downloaded from www.studiestoday.com
Downloaded from www.studiestoday.com
![Page 4: Downloaded from BLUE PRINT … Class … · SCIENCE . TIME ALLOWED:-2:30 Hours ... State the laws of reflection and draw the diagram. 2 . ... The part of the human ear which vibrates](https://reader036.vdocument.in/reader036/viewer/2022062907/5a9debae7f8b9a4a238c3919/html5/thumbnails/4.jpg)
iii) Bones inside
iv) Auditory Nerve
Q26. The part of the eye without any sensory cells is:
i) Rods iii) Blind spot
ii) Cones iv) Retina
Q27. The outermost layer of earth is called
i) Crust iii) Outer core
ii) Mantle iv) Inner core
Downloaded from www.studiestoday.com
Downloaded from www.studiestoday.com
![Page 5: Downloaded from BLUE PRINT … Class … · SCIENCE . TIME ALLOWED:-2:30 Hours ... State the laws of reflection and draw the diagram. 2 . ... The part of the human ear which vibrates](https://reader036.vdocument.in/reader036/viewer/2022062907/5a9debae7f8b9a4a238c3919/html5/thumbnails/5.jpg)
KENDRIYA VIDYALAYA SANGATHAN
CHANDIGARH REGION
Marking scheme
CLASS VIII
SCIENCE
1. Harvesting (1)
2. Ignition temperature (1)
3.Cutting of trees (1)
4. Budding (1)
5. Electroscope (1)
6. Definition (1)
7. Diagram + Labelling as given in NCERT book. (1/2+ 11/2)
8. Unit of frequency – hertz.
Amplitude – metre (1+1)
9. Laws of reflection and Diagram as given in NCERT book. (2)
10. Definition of earthquake,The power of an earthquake is measured in terms of magnitude on a
scale called Richter scale
(1+1)
11 .It is a device to secure tall buildings from effect of lightning .Working explanation
(1/2+11/2)
12. Any 2 correct differences. (2)
13. As given in NCERT book.
(3)
14. Definition .conditions (Any two) (1+2)
15. Dholak , stretched membrane
(1+1+1)
Sitar : string or wire
Flute: air particles/column
Downloaded from www.studiestoday.com
Downloaded from www.studiestoday.com
![Page 6: Downloaded from BLUE PRINT … Class … · SCIENCE . TIME ALLOWED:-2:30 Hours ... State the laws of reflection and draw the diagram. 2 . ... The part of the human ear which vibrates](https://reader036.vdocument.in/reader036/viewer/2022062907/5a9debae7f8b9a4a238c3919/html5/thumbnails/6.jpg)
16. Any 3 characteristics.
(1+1+1)
17. Definition. Ursa Major and Orion. Sketches (1+1+1)
18 i) Definition (1+1+1)
ii) Definition
iii) Any two uses.
19. One use of each. 1+1+1
20 (i) Any 2 advantages. (2+3)
ii) Any three differences.
21. Definition .Any two methods. Explanation and diagram (1+1+3)
22. (a) Two correct differences (2)
(b) Less transpiration; less cloud formation; less rainfall ( 1+1+1)
Section - B
23. Wheat (1)
24. Dodo (1)
25. Ear drum (1)
26. Blind spot (1)
27. Crust (1)
Downloaded from www.studiestoday.com
Downloaded from www.studiestoday.com