Science Olympiad Questions for Class 10

NSO exam helps the students revise their syllabus practically and in a most exciting way. The NSO Sample Paper Class 10 will ensure that the student is well-prepared for the Olympiad exam. You will find all the details of examples, such as the question type, range, and pattern, by accessing the NSO Previous Year Papers Class 10.

These sample papers are compiled by a subject expert. A student can download Science Olympiad Questions for Class 10 Pdf. This Olympiad is divided into two levels, each with some requirements. Thus, for level 1, there are no such requirements, the student can easily apply, and there is no cut-off. But for level 2, the eligibility criteria for a selected student includes-

  • The Top 25 rank holders are selected to opt for the Level 2 Olympiad exam.
  • The topper of the class participating from each school where at least ten more students should participate in the test should have obtained at least 50%.
  • The gold medal winners are not qualified for the second level.
  • The top 5% of students who appear in the first level will be able to go to the second level.

How can you prepare for the NSO exam?

  1. Understand the pattern of NSO

    It is essential to go through the pattern to prepare for the Olympiad. The example consists of 3 sections and a total of 35 questions.

  2. Understand the standard of question

    The difficulty level of the question varies. Thus, mainly the questions are conceptual but also test the student's logical skills and observational background. So, before you start preparing, go through the previous sample papers.

  3. Know the relevant books

    60% of the exam comes from the current class, and 40% is from the previous class. All the questions are from your school syllabus. So you can prepare from books offered by ICSE, CBSE, and the state board.

Syllabus for Science Olympiad Exams

These are the chapters covered in most of the Science Olympiad Exams.

Chemical Reactions and Equations

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Bases and Salts

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Metals and Non-metals

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Carbon and Its Compounds

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Periodic Classification of Elements

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Life Processes

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Control and Coordination

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Reproduction in Organisms

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Heredity and Evolution

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Light-Reflection and Refraction

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Human Eye and Colourful World

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Magnetic Effects of Electric Current

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Sources of Energy

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Our Environment and Its Management

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Free Sample Questions for

Question 1

A plant captures the Sun’s rays to make glucose. Which characteristic of life is demonstrated?
A. cell organization
B. obtaining energy
C. homeostasis
D. reproduction

Question 2

What are chromosomes?
A. one of the parts that make up a nucleotide
B. the building blocks of DNA
C. thread-like structures in the nucleus
D. a section of DNA that carries genetic code for a characteristic

Question 3

The pH scale is used to measure which of the following?
A. oxidation
B. erosion
C. acidity
D. precipitation

Question 4

is the amount of water vapor in the air.
A. Clouds
B. Humidity
C. Hydrologic cycle
D. Sublimation

Question 5

During telophase, the chromosomes relax and return to a state called
B. chromatin.
C. chlorophyll.
D. histone.

Question 6

What is the correct chemical name for NH_4OH?
A. Ammonia Hydroxide
B. Ammonium Hydride
C. Ammonium Hydroxide
D. Ammonium Oxide

Question 7

When you determine allele combinations for RrAa (using FOIL), what are the four possible combinations you would use for your dihybrid cross?
A. RA, Ra, rA, ra
B. RA, Rr, rA, ra
C. RR, Aa, ar, ra
D. AA, Ra, RA, rr

Question 8

The variable that is observed during an experiment is the variable.
A. independent
B. manipulated
C. controlling
D. responding

Question 9

Proteins are polymers formed from
A. nucleic acids.
B. lipids.
C. carbohydrates.
D. amino acids.

Question 10

What are the differences between the 2s orbital and the 1s orbital of hydrogen? How are they similar? (Select all that apply.)
A. The 2s orbital is shaped like dumbbells, whereas the 1s orbital is spherical.
B. The 2s orbital is more oblong than the 1s orbital.
C. The 2s orbital is larger than the 1s orbital.
D. The 2s orbital is smaller than the 1s orbital.