Science Test Gr.3(Class 7-10) Science Test For Gr-3(Class 7 to 10) 0% Time Limit 10 minutes Maximum Allowed Time Is over Your Paper Successfully Sent. school1 Science Test for group-3(Class 7 to 10) 1 / 50 During photosynthesis plants take carbon di oxide and release oxygen take oxygen and release carbob di oxide both of these 2 / 50 Chemical changes are irreversible interchangeable reversible 3 / 50 Which planet is known as the Red Planet? Earth Jupiter Mars 4 / 50 Which of the following food components are called protective foods ? proteins carbohydrates minerals & vitamins 5 / 50 All things are made up of wood matter plastic 6 / 50 When ice cubes are kept in a plate in the room for some time..it melts it shows the change of solid to liquid state gaseous to liquid state liquid to gaseous state 7 / 50 A shadow is a …........patch. light dark none of these 8 / 50 matter occupies stains space time 9 / 50 What is the chemical symbol for gold? Ag Pb Au 10 / 50 A ….......can damage trees and houses. storm breeze wind 11 / 50 Light travels in .. curved line straight line linear line 12 / 50 What is the main component of Earth's atmosphere? Oxygen Carbon Dioxide Nitrogen 13 / 50 How many hours are in a day? 36 24 12 14 / 50 How many planets are in the solar system? 8 9 7 15 / 50 Which of these is a form of water ? breeze shadow steam 16 / 50 A food chain starts with a consumer decomposer producer 17 / 50 What would you use to make tyres and erasers ? wood rubber plastic 18 / 50 The chest is a cone shaped cage enclosing the.. bones heart lungs 19 / 50 Which is the national bird of India? Peacock Sparrow Eagle 20 / 50 Water that seeps into the ground is called…............. groundwater canal dam 21 / 50 A push and pull of an object is called force gravitation pressure 22 / 50 What is the powerhouse of the cell? Ribosome Mitochondria Nucleus 23 / 50 What is H2O commonly known as? Oxygen Hydrogen Water 24 / 50 What is the chemical formula for glucose? C6H12O6 CO2 H2O 25 / 50 Which bones are formed by the collar bone and the shoulder blades ? arm bone upper arm shoulder bone 26 / 50 Which of these is not a source of light ? lamp & bulb sun & chair sun & stars 27 / 50 What is 10 + 5? 15 18 12 28 / 50 Describe the process of diffusion with an example. Diffusion is the movement of particles from a region of lower concentration to higher concentration. Example: Lighting a candle. Diffusion is the mixing of particles of two substances due to their random motion. Example: Spreading perfume in a room. Diffusion is the separation of substances through a semipermeable membrane. Example: Cooking pasta. 29 / 50 Air contains…......... smoke sand stone 30 / 50 The skull covers and protects the…. brain head eyes 31 / 50 Which is the largest desert in the world? Sahara Gobi Thar 32 / 50 Which shape has 3 sides? Square Triangle Circle 33 / 50 What is the acceleration due to gravity on Earth? 8.9 m/s² 9.8 m/s² 10.2 m/s² 34 / 50 Who is known as the father of India? Sardar Patel Jawaharlal Nehru Mahatma Gandhi 35 / 50 Green pigments present in leaves are called none of these chlorophyll haemoglobin 36 / 50 Which physical property of soil is important to us ? texture water holding capacity both of these 37 / 50 Products of a neutralisation reaction are always… a salt & a water an acid & a base an acid & a salt 38 / 50 After exercise respiration rate… remains same decreases increases 39 / 50 To move an object away from you by applying a force is called…....... pull none of these push 40 / 50 A component of plant cell that is absent in animal cell is known as cytoplasm cell membrane cellulose 41 / 50 Where is the shadow of an object formed ? under the object on the same side of the source. on the opposite side of the source. 42 / 50 Explain the concept of the boiling point of a substance. The temperature at which a substance changes from gas to liquid The temperature at which a substance changes from liquid to solid The temperature at which a substance changes from liquid to gas throughout the liquid 43 / 50 Moving air is called wind cyclone storm 44 / 50 What is the largest ocean on Earth? Indian Pacific Atlantic 45 / 50 How many bones are there in an adult human body? 206 210 208 46 / 50 Friction always opposes the motion helps the motion both of these 47 / 50 Which among the following is a physical change ? cutting a log of wood ripening of fruit burning of wood 48 / 50 Out of these gases which one is used in fire extinguishers ? NO2 CO2 SO2 49 / 50 Heat always flows from in both direction colder to hotter hotter to colder 50 / 50 What is the value of Pi (π) approximately? 3.12 3.14 3.16 Your score is LinkedIn Facebook VKontakte 0% Exit
