10th Science Quarterly Exam Most Repeated Questions with Answers

Boost your quarterly scores with 10th Science important questions. Get chapter-wise short, long, and application-based questions for easy revision.

Don't get overwhelmed trying to revise months of coursework all at once. Our 10th Science Quarterly Exam Important Questions repository filters the early-to-mid semester syllabus down to the absolute essentials. Handpicked based on past paper analysis, this toolkit provides a clear blueprint of recurring short answers, conceptual reasoning questions, and core physics numericals. Use this resource to test your preparation, fix your weak links, and walk into the exam room with total confidence.


10th Science Quarterly Exam Most Repeated Questions with Answers

X STD - SCIENCE

QUARTERLY EXAM IMPORTANT QUESTIONS

1) Define inertia. Give its classification.

2) Classify the types of force based on their application.

3) Differentiate mass and weight.

4) Define moment of a couple.

5) State the principle of moments.

6) State Newton's second law.

7) How does an astronaut float in a space shuttle?

8) State Snell's law.

9) Define dispersion of light.

10) State Rayleigh's law of scattering.

11) Differentiate convex lens and concave lens.

12) What are the causes of 'Myopia'?

13) Why does the sky appear in blue colour?

14) Why are traffic signals red in colour?

15) Define one calorie.

16) State Boyle's law.

17) State the law of volume.

18) Distinguish between ideal gas and real gas.

19) What is co-efficient of apparent expansion?

20) Define the unit of current.

21) What happens to the resistance, as the conductor is made thicker?

22) Why is tungsten metal used in bulbs, but not in fuse wires?

23) Name any two devices, which are working on the heating effect of the electric current.

24) Define: Relative atomic mass.

25) Write the different types of isotopes of oxygen and its percentage abundance.

26) Define: Atomicity

27) Give any two examples for heterodiatomic molecules.

28) What is rust? Give the equation for formation of rust.

29) State two conditions necessary for rusting of iron.

30) Define the term: Solution.

31) What is mean by binary solution?

32) Give an example each:
i) gas in liquid
ii) solid in liquid
iii) solid in solid
iv) gas in gas

33) What is aqueous and non-aqueous solution? Give an example.

34) Define Volume percentage

35) Define Hydrated salt.

36) A hot saturated solution of copper sulphate forms crystals as it cools. Why?

37) What is collateral vascular bundle?

38) Where does the carbon that is used in photosynthesis come from?

39) What is the common step in aerobic and anaerobic pathway?

40) Name the phenomenon by which carbohydrates are oxidized to release ethyl alcohol.

41) Give the common name of the Hirudinaria granulosa

42) How does leech respire?

43) Write the dental formula of rabbit.

44) How is diastema formed in rabbit?

45) Which organ acts as suction pump in leech?

46) Why is the teeth of rabbit called heterodont?

47) How does leech suck blood from the host?

48) Name two layered protective covering of human heart.

49) What is the shape of RBC in human blood?

50) Why is the colour of the blood red?


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