BIOS Brilliant International Olympiad of Science Question Paper : BrilliantZone

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BIOS Brilliant International Olympiad of Science Question Paper : BrilliantZone

Name of the Organisation : BrilliantZone
Name of the Exam : Brilliant International Olympiad of Science – BIOS
Category : Class 1 – 12
Subject : Science

BIOS Brilliant International Olympiad of Science Question Paper :

Class – VII :
Instruction :
** The Actual Question Paper Contains 40 Questions.
** The Duration of the Test Paper is 60 Minutes

Related : BIOM Brilliant International Olympiad of Mathematics Question Paper : www.pdfquestion.in/13668.html

1. Which of the following stores urine ?
(A) Kidney
(B) Liver
(C) Lungs
(D) Bladder
(E) None of these

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2. Atmosphere contains about ______________% of oxygen.
(A) 78
(B) 21
(C) 31
(D) 1
(E) None of these

3. Calculate the work done if a stone is pushed with the force of 8 N and is pushed a distance of 4.7 metres.
(A) 37.6 N
(B) 37.6 Nm
(C) 34.6 J
(D) 32.6 Nm
(E) None of these

4. India launched ______________ into space on 19 April 1975.
(A) Insat series
(B) Aryabhatta
(C) Rohini
(D) All of these

5. Which of the following types of soil is composed of silica and quartz particles, and very small amount of clayey soil mixed with it ?
(A) Clayey soil
(B) Sandy soil
(C) Silty soil
(D) Loamy soil
(E) None of these

6. Which one of the following substances evolves heat when dissolved in water?
(A) Potassium Nitrate
(B) Calcium oxide
(C) Glucose
(D) Sodium-chloride
(E) None of these

7. To reduce pollution we collect, process and reuse waste material. This process is known as ?
(A) Reworking
(B) Reusing
(C) Recycling
(D) Reprocessing
(E) None of these

8. The natural environment of a living organism is ?
(A) Habitat
(B) Surroundings
(C) Environment
(D) Biosphere
(E) None of these

9. Which one of the following is the best kind of soil for growing of the crops?
(A) Clayey
(B) Loamy
(C) Sandy
(D) All of above
(E) None of these

10. The bumps on top of our tongue is called?
(A) Papillae
(B) Microville
(C) Frenulum
(D) Goose bumps
(E) None of these

11. The smallest bone in an adult human body is?
(A) Ulna
(B) Toe Bone
(C) Stirrup
(D) Back Bone
(E) None of these

12. N2O Stands for
(A) Nitrous Oxide
(B) Nitrogen
(C) Nitrous Hydroxide
(D) Nitric oxide
(E) None of these

13. Food that you get in bottles or cans have all the oxygen removed from them. This prevent the germs from growing. Another way to prevent germs from growing, is to add ______to the food.
(A) Conservative
(B) Preservatives
(C) Synthetic
(D) Harmful Colours
(E) None of these

14. Which one of the following is an example of multicellular fungi ?
(A) Mushroom
(B) Yeast
(C) Mould
(D) All of these
(E) None of these

15. Which one of the following is earth’s natural satellite?
(A) Apollo
(B) Moon
(C) Sputnik
(D) Insat
(E) None of these

Class-VIII :
1. The orbiting velocity of earth to the sun is?
(A) 10 km/sec
(B) 30 km/sec
(C) 40 km/sec
(D) 100 km/sec
(E) None of these

2. Which of the following is true about prokryotic cell?
(A) They lack DNA
(B) They lack chromosomes
(C) They have no nucleus
(D) Both (B) and (C)
(E) None of these

3. Which of the following helps in pollution ?
(A) Burning of fossils fuel in car and trucks
(B) Spilling chemicals
(C) spilling oil in oceans
(D) All of these
(E) None of these

4. Which one of the following has the lowest melting point ?
(A) Mercury
(B) Tungsten
(C) Silver
(D) Copper
(E) None of these

5. The hardest type of coal, consisting of nearly pure carbon is?
(A) Lignite
(B) Bituminious
(C) Sub-Bituminious
(D) Anthracite
(E) None of these

6. Which of the following is an example of orgarnis and is reproduced by budding ?
(A) Tulips
(B) Yeast
(C) Protists
(D) Kalanchoe
(E) None of these

7. How do people contribute to land pollution.
(A) Littering
(B) Recycling
(C) Coserving
(D) Spilling oils
(E) None of these

8. Which one of the folloiwing force act at a distance?
(A) Frictional force
(B) Tension force
(C) normal force
(D) Magnetic force
(E) None of these

9. Read the statement given below
(I) The S I unit of force is Newton
(II) Force is a vector quantity
(III) Gravitational force is a contact force
Which of the following represents the correct statement?
(A) I and II
(B) II and III
(C) I and III
(D) I, II and III
(E) None of these

10. We know that a rainbow is an optical and meteorological phenomenon that appear in the sky when the sun shines on to droplets of moisture in the Eath’s, atmosphere. He form ation of rainbow in sky is because of ?
(A) Diffraction
(B) Interference
(C) Refraction
(D) Scattering
(E) None of these

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