close up view of plasma

Download the Class 8 NSO Science Olympiad Previous Year Question Paper – 2022 for a better performance. You perform better at the NSO Olympiad as a result. You can obtain free practice questions after enrolling in the Olympiad through School Connect Online.

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Professionals developed the NSO Science Olympiad Previous Year Question Paper for Class 8, 2022 to aid students in familiarizing themselves with the material covered and the pattern/marking scheme used, which can then be used to assist them in developing a sensible plan and strategy for exam preparation.

Olympiad Exam 2023

NSO Sample Papers 2022 – Download Class 8 PDF

Guidelines for the Candidate

1. You will get additional ten minutes to fill up information about yourself on the OMR Sheet, before the start of the exam.

2. Write your Name, School Code, Class, Roll No. and Mobile Number clearly on the OMR Sheet and do not forget to sign it. We will share your marks / result and other information related to Olympiad exams on your mobile number.

3. The Question Paper comprises sections: reasoning, subjective, achievers’ section

4. All questions are compulsory. There is no negative marking. Use of calculator is not permitted.

5. There is only ONE correct answer. Choose only ONE option for an answer.

6. To mark your choice of answers by darkening the circles on the OMR Sheet, use HB Pencil or Blue / Black ball point pen only

7. Rough work should be done in the blank space provided in this booklet.

8. Return the OMR Sheet to the invigilator at the end of the exam.

9. Please fill in your personal details in the space provided on this page before attempting the paper.

1. The process of conversion of sugar into alcohol in the absence of oxygen is called _______.

  1. fermentation
  2. vaccination
  3. pasteurization
  4. decomposition

2. Which of the following statement(s) is/are correct?

Statement 1 : A white coloured ash of magnesium oxide is obtained on burning magnesium ribbon.

Statement 2 : H2SO3 is acidic in nature.

  1. Statement 1 is true
  2. Statement 2 is true
  3. None is true
  4. Both are true

3. Light is falling on surfaces S1 , S2 and S3 as shown in the figure.

NSO Science Olympiad Previous Year Question Paper for Class 8

Surfaces on which the angle of incidence is equal to the angle of reflection is/are:

  1. Only S1    
  2. S1 and S2
  3. S2 and S3 
  4. All the three surfaces

4. Which of the following constellations can be seen in the night sky during the winter season?

  1. Orion and Cassiopeia 
  2. Ursa Major and Leo Major
  3. Orion and Ursa Major
  4. Ursa Major and Cassiopeia

5. Which of the following statements is/are correct?

  1. The slow corrosion of marble of a monument by acid rain is also known as “marble cancer”.
  2. The greenhouse is a structure made of glass walls and glass roof in which the plants that need protection from cold weather are grown.
  3. Due to the rapid burning of fossil fuels and decrease in forest, the amount of carbon dioxide gas in the atmosphere is increasing steadily.
  4. All of the above.

6. Which of the following solutions will not make the bulb glow in figure?

NSO Science Olympiad Previous Year Question Paper for Class 8
  1. Sodium chloride 
  2. Copper sulphate
  3. Silver nitrate 
  4. Sugar solution in diluted water

7. Identify P, Q and R.

CellFeature / PartFunction
Plant cellPPhotosynthesis
QBranchedContraction stimuli and response
NSO Science Olympiad Previous Year Question Paper for Class 8

From the options given below choose the correct combination of terms.

  1. P – Plastid; Q – Nerve Cell; R – Movement
  2. P – Chloroplast; Q – Muscle Cell; R – Respiration
  3. P – Plastid; Q – Muscle Cell; R – Movement
  4. P – Cell wall; Q – Animal Cell; R – Respiration

8. Migratory birds fly to far away areas during a particular time of a year. Which of the following conditions present in their habitat during that time are responsible for this behaviour?

(i) Extreme weather conditions.

(ii) Overcrowding.

(iii) Unavailability of food.

(iv) Lack of nesting areas.

  1. (ii) and (iii) 
  2. (i) and (ii)
  3. (i) and (iv) 
  4. (ii) and (iv)

9. We Get “Sulphur Dioxide” when sulphur ___________.

  1. Burns in air
  2. Reacts with hydrogen and oxygen
  3. Reacts with oxygen and carbon dioxide
  4. Reacts with sulphurous acid

10. The dramatic changes in body features associated with puberty are mainly because of the secretions of:

  1. Thyroxine and Estrogen
  2. Estrogen and Testosterone 
  3. Thyroxine and Adrenaline
  4. Estrogen and Adrenaline

Answer Keys:

Ques. 1(a)Ques. 6(d)
Ques. 2(d)Ques. 7(a)
Ques. 3(d)Ques. 8(c)
Ques. 4(a)Ques. 9(a)
Ques. 5(d)Ques. 10(b)
NSO Science Olympiad Previous Year Question Paper for Class 8


How to prepare for NSO Class 8?

NSO Class 8th Books
Your class 8 NCERT textbooks are used in the preparation of the SCO Olympiad’s question banks. Therefore, obtaining them separately is not necessary. You can adequately prepare for the Olympic test with your class 8th book. However, kids can download the Class 8 NCERT Books from this website.

How many questions are there in science Olympiad – NSO Class 8?

The science Olympiad – NSO class 8 exam comprises of 3 sections having a total of 50 questions carrying 60 marks.

Which book is best for NSO Class 8?

The School Connect Online NSO Olympiad Online Workbook has been carefully selected to aid students in getting ready for the forthcoming 2023–24 National Science Olympiad. Before the exercises begin, there is a brief overview in the School Connect Online NSO Workbook. In order to aid students in their preparation for the School Connect Olympiad NSO exam, chapter-based MCQs are offered.

What is the passing marks for NSO Class 8?

NSO Cutoff 2023 (Level 1) for Class 3 to 10

ClassesTotal MarksLogical reasoning [M1]
Class 6448
Class 7426
Class 8428
Class 94010
NSO Science Olympiad Previous Year Question Paper for Class 8

How to score best in class 8?

Exam sample papers should be reviewed in order to do successfully. In order to understand the subject better, practise is crucial. Concentrate on challenging material: If you want to achieve a decent mark, you should pay close attention to the challenging chapters and make sure you understand the concepts.

How to score 95 in class 8?

It’s critical to stick to a study schedule if you want to achieve a high grade in class eight. Maintaining a suitable schedule will aid in developing virtues like self-control and timeliness. Get up, finish your daily tasks, go to the gym, or work out. As the optimum time to do anything is in the morning.

Is 80% a good score in Class 8?

Any exam must be graded between 85 and 89 to receive an A. The definition of an A is excellent.

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