Multiple Choice Questions in Science for Class VII As Per NCERT Text Book

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Multiple Choice Questions in Science for Class VII As Per NCERT Text Book

Kendriya Vidyalaya Sangathan

New Delhi

Multiple choice questions in science for class VII as per NCERT Text Book

Prepared under the Supervision of:

Ms.UshaAswath A Iyer

Director

ZIET, Bhubaneswar

Prepared by:

Mrs.Samrajya Lakshmi, PGT (Physics)

ZIET, Bhubaneswar


Nutrition in plants

  1. The components that are necessary for our body are called ( )

  1. Vitamins
  2. Pulses
  3. Nutrients
  4. Minerals

  1. The mode of nutrition in which organisms make food themselves from simple substances is called( )

  1. Autotrophic nutrition
  2. Heterotrophic nutrition
  3. Saprotrophic nutrition
  4. All of the above

  1. Some organisms live together and share shelter and nutrients. This is called

  1. Predation
  2. Symbiotic relationship
  3. Autotrophs
  4. Heterotrophs

  1. The bacterium which provides nitrogen to the leguminous plants is

  1. Rhizobium
  2. Yeast
  3. Fungi
  4. Lichens

  1. Pitcher is an example of

  1. Insectivorous plant
  2. Leguminous plant
  3. Algae
  4. Fungi

  1. The process by which a plant prepares its food “Photosynthesis” takes place in the presence of ( )

  1. Moon Light
  2. Sunlight
  3. Candle light
  4. Bulb

  1. ______gas is released by the plants in the process of Photosynthesis( )

  1. Oxygen
  2. Carbon dioxide
  3. Nitrogen
  4. Hydrogen

  1. Green colour of the plant is due to the presence of ( )

  1. Oxygen
  2. Carbon dioxide
  3. Nitrogen
  4. Chlorophyll

  1. The plant which traps and feeds on insects is ( )

  1. Cascutta
  2. China Rose
  3. Pitcher Plant
  4. Rose

  1. Mushroom is ( )

  1. An Autotroph
  2. Heterotroph
  3. Saprotrophic
  4. Fungus

Nutrition in Animals

  1. The breakdown of complex components of food into simpler substances is called ( )

  1. Digestion
  2. Nutrition
  3. Breathing
  4. Respiration

  1. The set of teeth that exists in the mouth during the period from six to eight years of a human being are called

  1. Permanent teeth
  2. Premolar teeth
  3. Molar teeth
  4. Milk teeth

  1. The stomach is a thick –walled bag of shape ( )

  1. V- shape
  2. U-shape
  3. X- shape
  4. Z- shape

  1. The function of the digestive juices present in the stomach is to breakdown ( )

  1. the proteins into simpler substances
  2. Starch into sugars
  3. Fats into juices
  4. Food into gases

  1. The largest gland in the human body is

  1. Oesophagus
  2. Salivary gland
  3. Liver
  4. Villi

  1. Length of small intestine is ( )

  1. 10.5m long
  2. 40mlong
  3. 23.4mlong
  4. 7.5m long.

  1. The process of digestion taking place in grass- eating animals is called ( )

  1. Egestion
  2. Rumination
  3. Assimilation
  4. Absorption

  1. Diarrhoea is caused due to ( )

  1. Infection
  2. Indigestion
  3. Poisoning
  4. All of the above

  1. Plenty of boiled water mixed with a pinch of salt and sugar dissolved in it is called ( )

  1. An Acid
  2. A base
  3. An indicator
  4. Oral Rehydration solution

  1. Single celled organism among the following is ( )

  1. Human being
  2. Yeast
  3. Cow
  4. Amoeba

FIBRE TO FABRIC

  1. Which of the following does not yield wool? ( )

  1. Yak
  2. Camel
  3. Goat
  4. Woolly dog

  1. Which type of wool is common in Tibet and Ladhak? ( )

  1. Yak
  2. sheep wool
  3. Angora wool
  4. Pashmina wool

  1. ______type of wool is commonly available in the market( )

  1. Sheep wool
  2. Yak wool
  3. Angora wool
  4. Camel wool

  1. Pashmina shawls are found in ( )

  1. South America
  2. Kashmir
  3. South Africa
  4. Gujarat

  1. The process of removing the fleece of sheep along with a thin Layer of skin is called

  1. Rearing
  2. shearing
  3. Sorting
  4. Scouring

  1. The bacterium by which the people working in wool industry get infected is ( )

  1. Rhizobium
  2. Anthrax
  3. Streptococcus
  4. Bacillus

  1. The rearing of silkworms to obtain silk is called ( )

  1. Sericulture
  2. Horticulture
  3. Agriculture
  4. Aqua-culture

  1. Food of the caterpillar in case of silk moth is ( )

  1. Mulberryleaves
  2. Neem leaves
  3. Tulsi Leaves
  4. Pudina leaves

  1. Silk fibre obtained from silk moth is______( )

  1. Carbohydrate
  2. Fat
  3. Protein
  4. Sugars

  1. Find from the following where Silk Industry began ( )

  1. India
  2. China
  3. Tibet
  4. Africa

  1. For how long do the caterpillars eat mulberry leaves? ( )

  1. 10 to 15 days
  2. 20 to 30 days
  3. 25 to 30 days
  4. 5 to 10 days

  1. Woollen clothes are made from ( )

  1. Animals
  2. Plants
  3. Insects
  4. Bacteria

HEAT

  1. Name the device used for measuring Temperature. ( )

  1. Thermometer
  2. Ammeter
  3. Anemometer
  4. Ammeter

  1. The unit of measurement of Temperature is ( )

  1. Meter
  2. Kilogram
  3. Degree Celsius
  4. Second

  1. The normal temperature of Human body is ( )

  1. 40 ˚C
  2. 37 ˚C
  3. 42 ˚C
  4. 35 ˚

  1. The maximum and minimum temperatures of a day are measured with a ( )

  1. Celsius Thermometer
  2. Fahrenheit Thermometer
  3. Maximum-minimum thermometer
  4. ) kelvin Thermometer

  1. The liquid metal used in a Thermometer is ( )

  1. Mercury
  2. Silver
  3. Gold
  4. Copper

  1. What is the use of kink in a Thermometer? ( )
  2. It prevents mercury level from falling on its own
  3. It raises the mercury level
  4. It makes the Thermometer look beautiful
  5. It acts as a joint to the glass tube that is used for mercury and the scale
  6. The process by which heat flows from the hotter end to colder end of an object is called ( )

  1. Conduction
  2. Convection
  3. Radiation
  4. Vaporisation

  1. The process by which transfer of heat takes place by the actual movement of particles from one part of the body to another part is called ( )

  1. Conduction
  2. Convection
  3. Radiation
  4. vaporization

  1. The transfer of heat which does not require any medium is called ( )

  1. Conduction
  2. Convection
  3. Radiation
  4. Vaporization

  1. The process by which heat comes from sun to the earth is ( )

  1. Conduction
  2. Convection
  3. Radiation
  4. Vaporization

  1. In case of______the cool air moves from the land towards the sea ( )

  1. Land breeze
  2. sea breeze
  3. Ice breeze
  4. sand breeze

Acids, Bases, and Salts

  1. Acids are ( )

  1. Sour in taste
  2. Sweet in taste
  3. salty in taste
  4. Bitter in taste

  1. Bases are ( )

  1. Sour in taste
  2. Sweet in taste
  3. salty in taste
  4. Bitter in taste

  1. Thesubstances that are used to test whether a substance is acidic or basic is called ( )

  1. Indicator
  2. Acid
  3. Base
  4. Salt

  1. Give the chemical name of Lime water ( )

  1. Calcium hydroxide
  2. Magnesium hydroxide
  3. Ammonium hydroxide
  4. Sodium hydroxide

  1. Give the chemical name of Milk of magnesia ( )

  1. Calcium hydroxide
  2. Magnesium hydroxide
  3. Ammonium hydroxide
  4. Sodium hydroxide

  1. Give the chemical name of Window cleaner ( )

  1. Calcium hydroxide
  2. Magnesium hydroxide
  3. Ammonium hydroxide
  4. Sodium hydroxide

  1. Litmus paper (purple colour) in distilled water when added to an acid changes to ( )

  1. Red
  2. Blue
  3. Green
  4. Violet

  1. The solutions which do not change the colour of either red or blue litmus are known as ( )

  1. Acid Solutions
  2. Base Solutions
  3. Neutral Solutions
  4. indicator

  1. Find the natural indicator from the following ( )

  1. China Rose
  2. Vinegar
  3. Phenolphthalein
  4. Methyl Orange

  1. Phenolphthalein gives ______colour in acid medium ( )

  1. Pink
  2. Colourless
  3. Green
  4. Red

  1. The sting of an ant contains ______. ( )

  1. Hydrochloric acid
  2. Formic acid
  3. sulphuric acid
  4. Ethanoic acid

  1. The effect of sting of an ant can be neutralised by rubbing with ( )

  1. Calcium carbonate
  2. Sodium Carbonate
  3. Sodium hydrogen carbonate
  4. Calcium chloride

Physical and chemical changes

  1. A change in which a substance undergoes changes in its physical properties is called ( )

  1. Chemical change
  2. physical change
  3. No change
  4. Biological change

  1. When carbon dioxide is passed through lime water , then lime water becomes ( )

  1. milky
  2. shiney
  3. silvery
  4. Golden yellow

  1. Brown colour of the apple after cutting is ( )

  1. physical change
  2. chemical change
  3. no change
  4. biological change

  1. Ozone layer protects us from harmful ( )

  1. Ultraviolet radiation
  2. Infrared Radiation
  3. Visible Radiation
  4. Heat radiation

  1. The process of depositing a layer of one metal over another metal surface to protect it from rusting is called ( )

  1. Galvanisation
  2. Crystallisation
  3. amalgamating
  4. Neutralisation

  1. For protecting iron pipes from corrosion, they are coated with ( )

  1. Zinc
  2. Copper
  3. Aluminium
  4. Silver

  1. Metal that is made by mixing iron with carbon, nickel and manganese is called ( )

  1. Stainless steel
  2. German silver
  3. Nichrome
  4. Eureka

  1. The process of obtaining Salt by the evaporation of sea water is called ( )

  1. Crystallisation
  2. Neutralisation
  3. Galvanisation
  4. Amalgamation

  1. Blue colour of the copper sulphate solution changes to Green colour when an iron nail is dropped into it due to the formation of ( )

  1. Iron sulphate
  2. copper chloride
  3. Copper iron sulphate
  4. Iron chloride

  1. When Magnesium ribbon is burnt in oxygen, the product obtained is ( )

  1. Magnesium chloride
  2. Magnesium sulphate
  3. Magnesium oxide
  4. Iron chloride

  1. Magnesium hydroxide, obtained when Magnesium oxide is dissolved in water, is ( )

  1. a Base
  2. An acid
  3. an indicator
  4. a dissolving agent

  1. When Magnesium ribbon is burnt in candle flame it burns with ( )

  1. brilliant red light
  2. Brilliant yellow light
  3. Brilliant white light
  4. Brilliant Green light

Weather, Climate and Adaptation Of Animals to Climate

  1. The Department which prepares weather report is ( )

  1. Telecom Department
  2. Electrical Department
  3. Meteorological Department
  4. Civil Department

  1. The amount of humidity in the atmosphere is a measure of ______in air ( )

  1. Heat
  2. Temperature
  3. Chemicals
  4. Moisture

  1. The instrument used to measure rainfall is called ( )

  1. Barometer
  2. Rain Gauge
  3. Thermometer
  4. maximum-minimum thermometer

  1. The temperature, humidity, rainfall wind speed etc., are called the ______of weather. ( )

  1. Elements
  2. Compounds
  3. Indicators
  4. Chemicals

  1. The maximum and minimum temperatures of a day are recorded by using ( )

  1. Celsius Thermometer
  2. Fahrenheit Thermometer
  3. Maximum-minimum Thermometer
  4. Hydrogen Thermometer

  1. At what time do you feel comparatively comfortable in a day during summer seasons? ( )

  1. Early in the morning
  2. in the afternoon
  3. In the evening
  4. At mid night

  1. All changes taking place in the atmosphere are caused by the ______( )

  1. Moon
  2. Sun
  3. Earth
  4. Stars

  1. The average weather pattern taken overa long time is called the ______

  1. Climate of the place
  2. Temperature of the place
  3. Humidity of the place
  4. rainfall of the place

  1. The places where the sun does not rise for six months and does not set for the other six months are ( )

  1. Polar regions
  2. Equator Regions
  3. Northern regions
  4. Southern Regions

  1. The temperature in Polar Regions in winter will be as low as ( )

  1. -40˚C
  2. 34 ˚C
  3. 45 ˚C
  4. -37 ˚C

  1. .Find the animal living in polar regions from the following ( )

  1. Monkey
  2. Donkey
  3. Polar bear
  4. Gorilla

  1. How does the polar bear keep itself warm in cold weather ( )

  1. It has two thick layers of fur
  2. It has a coat of wool
  3. It covers its body with a woollen coat
  4. It sits by the side of the fire

  1. The tropical climate is such that ( )

  1. Duration of days and nights are almost equal
  2. Duration of day is more than that of night
  3. Duration of day is less than that of the night
  4. Duration of day and night both is less

  1. Which option best describes a tropical region?

  1. Hot and humid
  2. Moderate temperature, heavy rainfall
  3. cold and humid
  4. hot and dry

  1. A carnivore with stripes on its body moves very fast while catching its prey. It is likely to be found in

  1. Polar regions
  2. Deserts
  3. Oceans
  4. tropical rainforests

Winds, Storms and Cyclones

  1. The wind speed during the second cyclone that hit Orissa during the year 1999on

29 th October was

  1. 260km/hr
  2. 200km/hr
  3. 150km/hr
  4. 100km/hr

  1. The change in shape of a hot tin can when pored with cold water on it is due to the
  2. pressure inside the can is less than that outside
  3. pressure inside the can ismore than that outside
  4. pressure outside the can is same as that inside
  5. Pressure inside the can is equal to the atmospheric pressure
  6. The paper ball kept near the mouth of a plastic bottle will be pushed out because
  7. the air pressure inside the bottle is same as that at the mouth
  8. the air pressure inside the bottle is more than that at the mouth
  9. the air pressure inside the bottle is less than that at the mouth
  10. the pressure inside and outside the bottle same.
  11. Increased wind speed is accompanied by

  1. no change in temperature
  2. Reduced pressure
  3. increased pressure
  4. No change in pressure

  1. Air moves faster between two places when the pressure difference between the place is

  1. less
  2. zero
  3. More
  4. equal to the atmospheric pressure

  1. Warm air is ______than cold air

  1. Heavier
  2. lighter
  3. no difference in weight
  4. very much lighter

  1. The centre of a cyclone is a calm area and is called the ______of the storm.

  1. eye
  2. Focus
  3. Centre
  4. Radius

  1. A cyclone is called a______in the American Continent.

  1. Hurricane
  2. Typhoon
  3. Tornado
  4. Thunderstorm

  1. A cyclone is called a______in Philippines and Japan.

  1. Hurricane
  2. Typhoon
  3. Tornado
  4. Thunderstorm

  1. A dark funnel shaped cloud that reaches from the sky to the ground is called a

  1. Hurricane
  2. Typhoon
  3. Tornado
  4. Thunderstorm

  1. A violent tornado travel at a speed of about

  1. 100 km/hr
  2. 200km/hr
  3. 300km/hr
  4. 50km/hr

  1. The instrument that measures the wind speed in a cyclone is

  1. Anemometer
  2. Barometer
  3. Thermometer
  4. Ammeter

  1. Which one of the following places is unlikely to be affected by a cyclone

  1. Chennai
  2. Mangalore
  3. Amritsar
  4. Puri

  1. ______helpsus announce a cyclone alert

  1. Satellite
  2. Stars
  3. Sun
  4. moon

Soil

  1. The rotting dead matter in the soil is called______.

  1. Humus
  2. Salt
  3. Sugar
  4. Protein

  1. Breaking down of rocks by the action of wind and climate is called ____

  1. Weathering
  2. Soil vegetation
  3. Cultivating
  4. Percolation

  1. The water holding capacity is the highest in

  1. Sandy soil
  2. Clayey soil
  3. Loamy soil
  4. Mixture of sand and loam

  1. In addition to the rock particles, the soil contains______

  1. Air and water
  2. Water and plants
  3. Minerals, organic matter. Air and water
  4. Water, air and plants

  1. The removal of land surface by water, wind or ice is known as______

  1. Erosion
  2. Weathering
  3. Percolation
  4. Retention

  1. The soil containing greater portion of big particles is called ------

  1. Sandy soil
  2. Loamy soil
  3. Clayey soil
  4. Bricks

  1. The soil containing greater portion of fine particles is called ______

  1. Sandy soil
  2. Loamy soil
  3. Clayey soil
  4. Bricks

  1. The soil containing same amount of large and fine particles is called ______

  1. Sandy soil
  2. Loamy soil
  3. Clayey soil
  4. Bricks

  1. Water can drain easily though ______

  1. Sandy soil
  2. Loamy soil
  3. Clayey soil
  4. Bricks

  1. The type of soil suitable for growing paddy is ______

  1. Sandy soil
  2. Loamy soil
  3. Clayey soil
  4. Bricks

  1. The type of soil suitable for growing masoordal is

  1. Sandy soil
  2. Loamy soil
  3. Clayey soil
  4. Bricks

Respiration in Organisms

  1. The process of breakdown of food in the cell with the release of energy is called ______

  1. Respiration
  2. Inhalation
  3. Exhalation
  4. Breathing

  1. Taking in air rich in oxygen into the body is called ______

  1. Respiration
  2. Inhalation
  3. Exhalation
  4. Breathing

  1. Giving out of air rich in carbon dioxide is called ______

  1. Respiration
  2. Inhalation
  3. Exhalation
  4. Breathing

  1. An adult human being at rest breathes in and out for______times in a minute

  1. 15-18
  2. 20-25
  3. 10-15
  4. 50-60

  1. During exhalation the size of the chest cavity ______

  1. Decreases
  2. Increases
  3. Remains the same
  4. Get out of the lungs

  1. To which disease is smoking linked ?

  1. Appendicitis
  2. Cancer
  3. Fever
  4. Anaemia

  1. Name the organism which breathes through its skin

  1. Cat
  2. Human beings
  3. Dog
  4. Earthworm

  1. The small openings in the body of a cockroach are called ( )

  1. Holes
  2. Spiracles
  3. Tracks
  4. Pores

  1. Name the organism that breathes through its lungs as well as its skin ( )

  1. Human being
  2. Frog
  3. Dog
  4. Earthworm

  1. The air tubes that an insect has are useful for the exchange of______( )

  1. Gases
  2. Liquids
  3. Solid s
  4. No exchange

  1. In cockroaches, air enters the body through ______( )

  1. Lungs
  2. Gills
  3. Spiracles
  4. Skin

  1. During heavy exercise, we get cramps in the legs due to the accumulation of ( )

  1. Carbon dioxide
  2. Lactic acid
  3. Alcohol
  4. water

Chapter:11

Transportation in animals and plants

Choose the correct answer from the following

  1. All Organisms need food, water and_____ for survival ( )

  1. Carbon dioxide
  2. Oxygen
  3. Nitrogen
  4. Argon

  1. The function of the Blood is to transport ( )
  2. The digested food from the small intestine to the other parts of the body
  3. Digested food from the parts of the body to the large intestine
  4. digested food from small intestine to the large intestine
  5. Digested food from small intestine to the large intestine
  6. Blood carries ______from lungs to the cells of the body ( )

  1. Argon
  2. Neon
  3. Carbon dioxide
  4. Nitrogen

  1. The fluid part of the blood is called ( )

  1. Plasma
  2. RBC
  3. WBC
  4. Blood Platelets

  1. Red pigment in Red Blood Cells is ( )

  1. Haemoglobin
  2. Plasma
  3. Arteries
  4. Veins

  1. .______helps in the efficient supply of oxygen to all the cells of the body ( )

  1. Haemoglobin
  2. RBC
  3. WBC
  4. Platelets

  1. The cells in the blood which fight against the germs entering the body are ( )

  1. RBC
  2. WBC
  3. Platelets
  4. Haemoglobin

  1. The formation of clot when bleeding is stopped from a wound in a human body is due to ( )

  1. RBC
  2. WBC
  3. Platelets
  4. Haemoglobin

  1. The blood vessels which carry oxygen –rich blood from the heart to all parts of the body are called ( )

  1. Arteries
  2. Veins
  3. RBC
  4. WBC

  1. . The Arteries have thick elastic walls because ( )
  2. Rapid blood flows at high pressure
  3. slow blood flows at low pressure
  4. Rapid blood flows at low pressure
  5. slow blood flows at high pressure
  6. The throbbing movements of the blood flow in the Arteries is called ( )

  1. Pulse
  2. .crest
  3. Peak
  4. Nest

  1. A resting person usually has a pulse rate between

  1. 72 and 80 beats per minute
  2. 82 and 90 beats per minute
  3. 62 and 70 beats per minute
  4. 52 and 60 beats per minute

  1. The blood vessels which carry carbon dioxide –rich blood from all parts of the body back to the heart are called

  1. Arteries
  2. Veins
  3. RBC
  4. Platelets

  1. Veins allow blood to flow only

  1. Towards the heart
  2. Away from the heart
  3. Towards lungs
  4. Away from the lungs

  1. The heart is located in the

  1. Chest cavity
  2. kidney cavity
  3. Brain cavity
  4. muscle cavity

  1. The device used by the doctor to check up the heart beat

  1. Ammeter
  2. Thermometer
  3. Barometer
  4. Stethoscope

  1. The Organism that does not have circulatory system

  1. Dog
  2. Frog
  3. Human
  4. Hydra

  1. . In case of Hydra______brings the food and oxygen as the organism moves inside the water.

  1. Water in which the organism moves
  2. The air that is taken by the organism
  3. The food taken by the organism
  4. The air that is taken by the organism

  1. The processes of removal of waste materials from the body is called

  1. Digestion
  2. Excretion
  3. Respiration
  4. Inhalation

  1. Find the excretory organ from the following

  1. Kidney
  2. Hand
  3. Fingers
  4. Head

  1. White patches formed in areas like underarms are due to

  1. Salts present in the sweat
  2. sugars present in the sweat
  3. Acids present in the sweat
  4. Bases present in the sweat

  1. The effect of sweat on the human body is

  1. It causes cooling
  2. it causes heating
  3. it causes freezing
  4. It causes melting

  1. Aquatic animals excrete cell waste as

  1. Ammonia
  2. Oxygen
  3. Carbon dioxide
  4. Nitrogen

  1. The uric acid excreted by lizards is

  1. White in colour
  2. Red in colour
  3. Brown in Colour
  4. Black in colour

  1. ______failure can be treated by the method of Dialysis.

  1. Heart
  2. Eye
  3. Kidney
  4. Liver

  1. The vascular tissue for the transport of water and nutrients in the plant is called

  1. Xylem
  2. Phloem
  3. Tissue
  4. Plasma
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