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Exam Prince Olympiad Exam
Classes Class 5 to 10 & 11-12 Science
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Year 2021
Document Type PDF
Official Website https://princeolympiad.com/

Prince Olympiad Exam Question Paper 2021

Download Prince Olympiad Exam Question Paper 2021 for classes 5 to 10 & 11-12 Science Online PDF Free. Prince Olympiad is one of the biggest talent search examinations in India. Participants can win exciting prizes and scholarships up to 100% of the tuition fee. Prince Olympiad allows students to explore their full potential and evaluate themselves on a larger platform. 

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Class Question Paper
Class 8 Download Here
Class 12 Download Here

Prince Olympiad Class 8th Questions

Science:
01. When an object undergoes acceleration
(1) Its speed always increases.
(2) It always falls towards the earth.
(3) Its velocity always increases.
(4) None of these

02. External forces are :
(1) Always balanced.
(2) Never balanced.
(3) May or may not be balanced.
(4) None of these.

03. How many dynes are equal to 1 N ?
(1) 106
(2) 104
(3) 105
(4) 103

04. Sharper knives cut fruits easily because :
(1) The area of contact is more
(2) The area of contact is less.
(3) It shines more
(4) None of these.

05. A force of 50 N is applied normally on a table top of area 2 m2 . Then the pressure exerted on the table top is–
(1) 25 Nm–2
(2) 50 Nm–2
(3)10Nm–2
(4) 100 Nm2

06. A force that opposes the motion of one surface sliding over another is called :
(1) Lubrication.
(2) Ball bearing.
(3) Friction.
(4) Polishing.

07. The fibre made up by the chemical treatment of wood pulp is
(1) Rayon
(2) Nylon
(3) Polyester
(4) None of these.

08. A synthetic fibre which works like wool.
(1) Nylon
(2) Polyester
(3) Acrylic
(4) PVC

09. The raw materials used in making nylon
(1) Wood pulp
(2) Cellulose
(3) Coal, water, air
(4) All of these

10. All metals are solids except
(1) Sodium
(2) Calcium
(3) Mercury
(4) Gold

11. Metal oxides are of nature
(1) Acidic
(2) Basic
(3) Neutral
(4) All of these

12. The metal which can be cut easily with a knife
(1) Sodium and potassium
(2) Barium and calcium
(3) Sodium and mercury
(4) Potassium and calcium.

13. The process of loosening and turning the soil is known as:
(1) Winnowing
(2) Ploughing
(3) Harvesting
(4) Threshing

14. Which type of irrigation is similar to rainfall?
(1) Moat
(2) Sprinkler system
(3) Rahat
(4) Drip system

15. Which of the following is a rabi crop?
(1) Rice
(2) Mustard
(3) Soyabean
(4) Maize

16. Organic wastes can be decomposed to form ………., which can sustainably enhance the nutrient content of the soil.
(1) compost
(2) cow dung
(3) fertiliser
(4) pesticide

17. The chemical substances rich in nutrients are called
(1) fertiliser
(2) weedicide
(3) pesticides
(4) herbicides

18. The functional unit of life is called
(1) Cell
(2) Egg
(3) Nucleus
(4) None of these

19. Chloroplast is found in
(1) Plant cell only
(2) Animal cell only
(3) Both of these
(4) None of these

20. The control unit of cell is
(1) Nucleus
(2) Cell wall
(3) Cytoplasm
(4) All of these.

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