Q 1.Which of the following methods will be used to separate chalk powder from water: 1. Evaporation
*2. Filtration*
3. Decantation
4. Sedimentation
Q. 2. Which senses of our body are closely related?
1. touch and smell
*2. smell and taste*
3. taste and hearing
4. seeing and touch
Q. 3. Which sense organ also functions as a sense organ for temperature?
1. nose
*2. tongue.*
3. ear
4. eye
Q. 4. how many taste buds are there on human tongue:
*1. 10,000*
2. 1000
3. 100,000
4. 100
Q. 5.Taste buds are salty, bitter, sweet and:
1. Spicy
*2. Sour*
3. Juicy
4. Nasty
Q. 6.The total length of human small intestine is about:
1. 8 m
2. 7m
*3. 6 m.*
4. 4 m
Q. 7.How much time does food take to digest:
*1. From 24 to 30 hrs*
2. From 25 to 35
3. From 26 to 32
4. From 27 to 36
Q. 8.Which of the following organs excrete bile:
*1. Liver*
2. Pancreas
3. Gall bladder
4. All of these
Q. 9.The chewed food which passes from uvula to stomach is known as:
1. Bile
*2. Bolus*
3. Glycerol
4. Amino acids
Q. 10."Haemoglobin"is a combination of?
1. carbohydrates and fats
2. carbohydrates and proteins
3. fats and proteins
*4. proteins and iron.*
Q. 11.Top two chambers of heart are known as
*1. atria*
2. ventricles
3. upper chambers
4. lower chambers
Q. 12. A white blood cell is two times of a ?
*1. red blood cell*
2. platelet
3. tissue cell
4. none of above
Q. 13. 'Plasma' contains water along with important
*1. food chemicals*
2. cells
3. tissues
4. bacteria
Q. 14.When atria contracts, ventricles
*1. relax*
2. also contract
3. squeeze
4. block
Q. 15.The separation method that involves heating to change liquid into a gas, is known as:
*1. Evaporation*
2. Filtration
3. Decantation
4. Sedimentation
Q. 16.When the heavier particles of sand or dust settle down at the bottom of container, this process is known as:
1. Evaporation
2. Filtration
3. Decantation
*4. Sedimentation*
Q. 18.The liquid from mixture is poured off into another containerby tilting the container, very gently, this process is known as:
1. Evaporation
2. Filtration
*3. Decantation*
4. Sedimentation
Q. 19.A substance which can be dissolvedinto another substance is known as:
*1. Solute*
2. Solvent
3. Soluble
4. Solution
Q. 20.The Earth spins, just like a top, on its axis in the anticlock direction: 1. Revolution
*2. Rotation*
3. Orbit
4. Year
Q. 21.The rotation of Earth causes:
*1. Day and night*
2. Day only
3. Night only
4. Year
Q. 22.As the Earth spins on its axis, it also moves around the sun. This movement is called:
*1. Revolution*
2. Rotation
3. Orbit
4. Year
Q. 23.The revolution of the Earth causes:
1. Day and night
2. Day only
3. Night only
*4. Year*
Q. 24.The total kinetic energy of particles of a substance:
1. Temperature
*2. Thermal energy*
3. Absolute zero
4. heat
Q. 25.The normal human body tempreture on the Celsius scale is:
1. 38a
*2. 98.6a*
3. 400
4. 98m
Q. 26.The flow of thermal energy from a warmer object to a cooler object is known as:
*1. Heat*
2. Temperature
3. Potential energy
4. Light.
Q. 27.All matter is made of tiny particles called:
1. Molecule
*2. Atoms*
3. Both a & b
4. Particles
Q. 28.A material which doesn't allow electricity to pass through it:
1. Conductor
2. Circuit
*3. Insulator*
4. Both a & b
Q. 29.The process of pushing and pulling anything is known as:
1. Énergy
2. Heat
3. Power
*_4. Force_*
Q. 30.Which of the following things help to raise or lower heavy load easily:
1. Inclined plane
*2. Lever*
3. Screw
4. Wheel
Q. 31.A lever consists of a rigid bar that rests and moves on a support, called:
1. Effort
2. Screw
3. Pulley
*4. Fulcrum or pivot.*
Q. 32.That controls centre of the cell:
1. Cytoplasm
*2. Nucleus*
3. Cell membrane
4. Vacuole
Q. 33.Which of the following parts of cell in common to plants and animals:
1. Cytoplasm
2. Nucleus
*3. Cell membrane*
4. Vacuole
Q. 34.Which of the following things is outer covering of the cell:
1. Cytoplasm
2. Nucleus
*3. Cell membrane*
4. Vacuole
Q. 35.Which of the following things look like bubble in structure:
1. Cytoplasm
2. Nucleus
3. Cell membrane
*4. Vacuole*
Q. 36.The main function of vacuole is to:
1. Protect cell
2. Control cell
*3. Store food, water and waste substances*
4. Suspend all organelles.
Q. 37.Which of the following parts of cell work like a goal keeper:
1. Cytoplasm
2. Nucleus
*3. Cell membrane*
4. Vacuole
Q. 38.Which of the following parts of cell look like jelly in structure:
*1. Cytoplasm*
2. Nucleus
3. Cell membrane
4. Vacuole
Q 39.The outermost covering of a plant cell;
1. Cytoplasm
2. Nucleus
*3. Cell wall*
4. Vacuole
Q. 40.The cell wall is made up of a tough material called:
1. Chloroplast
*2. Cellulose.*
3. Chlorophyll
4. Both a & b
Q. 41.The vacuole of the plant cell pushes which of following things aside: 1. Chloroplast
2. Cellulose
*3. Nucleus*
4. Green pigment
Q. 42.A clear, transparent and homogenous mixture of two, or more than two things:
1. Solute
2. Solvent
3. Soluble
*4. Solution*
Q. 43.The substance which is dissolved to make a solution:
1. Solute
2. Solvent
*3. Soluble*
4. Solution
Q. 44.A substance in which the solute is dissolved to make a solution:
1. Solute
*2. Solvent*
3. Soluble
4. Solution
Q. 45.Which of the following gases is dissolved in fizzy drinks:
*1. Oxygen*
2. Carbon dioxide
3. Helium
4. Nitrogen
Q. 46.The non flowering plants are known as:
1. Gymnosperms
*2. Angiosperms*
3. Rhizoids
4. Both a & b
Q. 47.The flowering plants are known as:
*1. Gymnosperms*
2. Angiosperms
3. Rhizoids
4. Both a & b
Q. 48.Process of digestion starts in
*1. mouth*
2. oesophagus
3. stomach
4. pancreas
Q. 50.Antiperistalsis may lead to
*1. vomiting*
2. flu
3. headache
4. backache
Q. 51.Enzymes which help in digestion if food are called
*1. digestive enzymes*
2. assimilation enzymes
3. co-ordinate enzymes
4. complex enzymes
Q. 52.Gastric juice is made of
1. water
2. hydrochloric acid
3. proteases
*4. all of them*
Q. 53.Dry scaly skin and night blindness is caused by deficiency of
*1. vitamin A*
2. vitamin B1
3. vitamin C
4. vitamin D
Q. 54.Forces cancel each other's effect if their size is
*1. equal*
2. unequal
3. same
4. all of them
Q. 55.SI' unit of force is
1. watt
2. joule
*3. newton*
4. kilogram
Q. 56.A force which opposes motion is known as
*1. friction*
2. gravity
3. pull
4. push
Q. 57.Force can be measured by help of
1. foci meter
2. spring balance
3. pane balance
*4. both a and b*
Q. 58.Force can make a stationary object to
*1. move*
2. rotate
3. spin
4. still
Q. 59.Forces can easily change the
*1. direction of an object*
2. gravity of an object
3. density of an object
4. volume of an object.
Q. 60.Gravitational force which acts on a body, is called
1. mass
*2. weight*
3. size
4. load
Q. 61.Density has 'Sı' unit which is
*1. kilogram per cubic meter*
2. gram per cubic meter
3. meter per kilogram
4. meter per cubic meter.
Q. 62.In systemic diagram, force can be represented by an
*1. arrow*
2. plus
3. dot
4. star
Q. 63.Shapes and sizes of objects can be changed by help of
*1. force*
2. energy
3. heat
4. light
Q. 64.lf an object is at rest, forces acting on it, are
*1. balanced*
2. unequal
3. higher
4. lower
Q. 65.A frictional force acting on an object when it moves through air is called?
*1. air resistance*
2. water resistance
3. air pressure
4. air condensation.
Q. 66.Upward push acting on object which is immersed in liquid or gas partially or totally, is called ?
1. gravity
2. mass
3. weight
*4. up thrust*
Q. 67.We write on a board with chalk without slipping on floor is due to presence of.
1. gravity
*2. friction*
3. pull
4. push
Q. 68.Force of attraction between two masses is called
*1. gravitational force*
2. friction
3. pull
4. push
Q. 69.Earth pulls object towards center, causing it to fall
*1. in the center*
2. on the ground
3. on the polls
4. on the floor
Q. 70. Dead sea is full of ?
1. sand
*2. salt*
3. minerals
4. shells
Q. 71.Mass of a substance per unit of volume is called its?
1. weight
*2. density*
3. volume
4. gravity.
Q. 72.There will be a great distance in stopping a vehicle which is moving
1. slowly
2. steady
*3. fast*
4. continuously.
Q. 73. Relationship between force, mass and acceleration is ?
*1. F=ma*
2. F=m-a
3. F=m/a
4. F=a/m
Q. 74.In order to reduce air and water resistance, objects are shaped in ?
*1. streamline*
2. oblongata
3. rectangular
4. conical.
Q. 75.A substance will float on surface of water if its density is less than ?
*1. liquid*
2. gas
3. both a and b
4. aqueous
Q. 76.Which of these is not a plant:
1. Grass.
*2. Fungi*
3. Fern
4. Mass.
Q. 77.Percentage of Nitrogen in atmosphere:
1. 76%
2. 77%
*3. 78%*
4. 71%
Q. 78.Percentage of Oxygen in atmosphere:
*1. 21%*
2. 23%
3. 22%
4. 24%
Q. 79.The total number of elements are discovered:
*1. 110*
2. 90
3. 78
4. 99
Q. 80.The total number of element found free in atmosphere:
1. 110
*2. 90*
3. 78
4. 99
Q. 81.The Latin name of Gold:
1. Argentum
2. Natrium
*3. Aurum*
4. Ferrum
Q. 82.The Latin name of silver:
*1. Argentum*
2. Natrium
3. Aurum
4. Ferrum
Q. 83.Decomposers help in
1. breaking dead waste
2. recycle nutrients
*3. both a and b*
4. spreading decay
Q. 84.Detritus is eaten by 1. earthworm
2. millipede
*3. both a and b*
4. birds
Q. 85.A debris from rotting matter is called
*1. detritus*
2. dirt
3. waste material
4. fertilizer
Q. 86.A food chain starts with a.
*1. producer*
2. consumers
3. decomposer
4. scavengers
Q. 87. Most important group of decomposers include.
1. bacteria
2. fungi
*3. both a and b*
4. virus
Q. 88.A network of interconnected food chains is called
*1. food web*
2. web cycle
3. chain web
4. ecosystem
Q. 89.Organisms which feed on secondary consumers are called
1. primary consumer
*2. tertiary consumers*
3. producers
4. decomposers
Q. 90.A series of organism through which energy is transferred in form of food is called
1. food web
*2. food chain*
3. food cycle
4. ecosystem
Q. 91.There occurs diminishing along food chain in amount of
*1. energy*
2. heat
3. food
4. temperature
Q. 92.0rganisms which directly feed on producers are
1. primary consumer
*2. secondary consumer*
3. decomposer
4. carnivores
Q. 93.Plants-- Caterpillar-> birds is example of
1. food web
*2. food chain*
3. food cycle
4. ecosystem
Q. 94.0rganisms which breakdown dead or waste matter in to simpler substances are termed as
1. producers
2. consumers
*3. decomposer*
4. scavengers
Q 95.A change in food web to any population have effect on
*1. other population*
2. abiotic factors
3. water
4. trees
Q. 96.Decay is breaking down or decomposition of
*1. waste matter*
2. birds
3. animals
4. fish
Q. 97.According to pyramid of numbers number of producer is greater than number of
*1. herbivores*
2. carnivores
3. omnivores
4. scavengers
Q. 98.Carnivores and omnivores are considered as
1. producers
2. consumers
3. primary consumers
*4. secondary consumers*
Q. 99.Rest of dead body left after consumers feed is
1. disappeared
*2. decomposed*
3. reacted
4. spread
Q. 100.Soft portion of carcass of a dead lion is feed for
1. vultures
2. Hyenas
*3. Both A and B.*
4. Crocodile.
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