Cbsepathshala.blogspot.in Search Label VII Science

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    Showing posts with label VII Science. Show all postsShowing posts with label VII Science. Show all postsFriday, November 22, 2013

    Multiple choice questions in science for class VII as per NCERTText Book

    Nutrition in plants

    1. The components that are necessary for ourbody are called ( )

    a. Vitamins

    b. Pulses

    c. Nutrients

    d. Minerals

    2. The mode of nutrition in which organisms

    make food themselves from simple substances is

    called( )

    a. Auto trophic nutr it ion

    b. Heterotrophic nutrition

    c. Saprotrophic nutrition

    d. All of the above

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

    a. Predation

    b. Symbiot ic relat ionship

    c. Autotrophs

    d. Heterotrophs

    4. The bacterium which provides nitrogen to the leguminous plants isa. Rhizobium

    b. Yeast

    c. Fungi

    d. Lichens

    5. Pitcher is an example of

    a. Insect ivorous p lant

    b. Leguminous plant

    c. Algae

    d. Fungi

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

    a. Moon Light

    b. Sunlight

    c. Candle light

    d. Bulb

    7. ___________ gas is released by the plants in the process of P hotosynthesis( )

    a. Oxygen

    b. Carbon dioxide

    c. Nitrogen

    d. Hydrogen

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

    a. Oxygen

    b. Carbon dioxide

    c. Nitrogen

    d . Chlorop hyl l

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

    a. Cascutta

    b. China Rose

    c . Pitc her Plant

    d. Rose

    10. Mushroom is ( )

    a. An Autotroph

    b. Heterotroph

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    c . Saprot roph ic

    d. Fungus

    Nutrition in Animals

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

    a. Digestion

    b. Nutrition

    c. Breathing

    d. Respiration

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

    called

    a. Permanent teeth

    b. Premolar teeth

    c. Molar teeth

    d . Milk teet h

    3. The stomach is a thick walled bag of shape

    a. V- shape

    b. U-shape

    c. X- shape

    d. Z- shape

    4. The function of the digestive juices present in the stomach is to breakdown

    a. the proteins into simpler substances

    b. Starch into sugars

    c. Fats into juices

    d. Food into gases

    5. The largest gland in the human body is

    a. Oesophagus

    b. Salivary gland

    c. Liver

    d. Villi

    6. Length of small intestine is ( )

    a. 10.5m long

    b. 40m long

    c. 23.4m long

    d . 7.5m long.

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

    a. Egestion

    b . Ruminat ion

    c. Assimilation

    d. Absorption

    8. Diarrhoea is caused due to

    a. Infection

    b. Indigestion

    c. Poisoning

    d . A ll of the ab ov e

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

    a. An Acid

    b. A base

    c. An indicator

    d. Oral Rehydration solution10. Single celled organism among the following is ( )

    a. Human being

    b. Yeast

    c. Cow

    d. Amoeba

    FIBRE TO FABRIC

    1. Which of the following does not yield wool?

    a. Yak

    b. Camel

    c. Goat

    d. Woolly dog

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

    a. Yak

    b. sheep wool

    c. Ango ra woo l

    d. Pashmina wool

    3. ______________type of wool is commonly available in the market( )

    a. Sheep wool

    b. Yak wool

    c. Angora wool

    d. Camel wool

    4. Pashmina shawls are found in ( )

    a. South America

    b. Kashmir

    c. South Africa

    d. Gujarat

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

    a. Rearing

    b. shearing

    c. Sorting

    d. Scouring

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

    a. Rhizobium

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    b. Anth rax

    c. Streptococcus

    d. Bacillus

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

    a. Sericulture

    b. Horticulture

    c. Agriculture

    d. Aqua-culture

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

    a. Mulberry leaves

    b. Neem leaves

    c. Tulsi Leaves

    d. Pudina leaves

    9. Silk fibre obtained from silk moth is_________ ( )

    a. Carbohydrate

    b. Fat

    c. Protein

    d. Sugars

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

    a. India

    b. China

    c. Tibet

    d. Africa

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

    a. 10 to 15 days

    b. 20 to 30 days

    c. 25 to 30 days

    d. 5 to 10 days

    12. Woollen clothes are made from

    a. Anim als

    b. Plants

    c. Insects

    d. Bacteria

    HEAT

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

    a. Thermometer

    b. Ammeter

    c. Anemometer

    d. Ammeter

    2. The unit of measurement of Temperature is ( )

    a. Meter

    b. Kilogram

    c. Degree Celsius

    d. Second

    3. The normal temperature of Human body is ( )

    a. 40 C

    b. 37 C

    c. 42 C

    d. 35 4. The maximum and minimum temperatures of a day are measured with a ( )

    a. Celsius Thermometer

    b. Fahrenheit Thermometer

    c. Maximum-minimum thermometer

    d. kelvin Thermometer

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

    a. Mercury

    b. Silver

    c. Gold

    d. Copper

    6. What is the use of kink in a Thermometer? ( )

    a. It prevents mercury level from falling on its own

    b. It raises the mercury level

    c. It makes the Thermometer look beautiful

    d. It acts as a joint to the glass tube that is used for mercury and the scale

    7. The process by which heat flows from the hotter end to colder end of an object is called

    a. Conduction

    b. Convection

    c. Radiation

    d. Vaporisation

    8. 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

    a. Conduction

    b. Convection

    c. Radiation

    d. vaporization

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

    a. Conduction

    b. Convection

    c. Radiation

    d. Vaporization

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

    a. Conduction

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    b. Convection

    c. Radiation

    d. Vaporization

    11. In case of____________ the cool air moves from the land towards the sea ( )

    a. Land breeze

    b. sea breeze

    c. Ice breeze

    d. sand breeze

    Aci ds, Bases, and Salts

    1. Acids are

    a. Sour in tast e

    b. Sweet in taste

    c. salty in taste

    d. Bitter in taste

    2. Bases are

    a. Sour in taste

    b. Sweet in taste

    c. salty in taste

    d . B it ter in tas te

    3. The substances that are used to test whether a substance is acidic or basic is called

    a. Indicator

    b. Acid

    c. Base

    d. Salt

    4. Give the chemical name of Lime water ( )

    a. Cal ci um hydrox ide

    b. Magnesium hydroxide

    c. Ammonium hydroxide

    d. Sodium hydroxide

    5. Give the chemical name of Milk of magnesia

    a. Calcium hydroxide

    b . Magnes ium hyd roxide

    c. Ammonium hydroxide

    d. Sodium hydroxide

    6. Give the chemical name of Window cleaner

    a. Calcium hydroxide

    b. Magnesium hydroxide

    c . Am mo ni um h ydr ox ide

    d. Sodium hydroxide

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

    a. Red

    b. Blue

    c. Green

    d. Violet

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

    a. Acid Solutions

    b. Base Solutions

    c . Neu tral So lu ti ons

    d. indicator9. Find the natural indicator from the following

    a. Ch ina Ro se

    b. Vinegar

    c. Phenolphthalein

    d. Methyl Orange

    10. Phenolphthale in gives ____________colour in acid medium ( )

    a. Pink

    b. Colourless

    c. Green

    d. Red

    11. The sting of an ant contains ___________.

    a. Hydrochloric acid

    b . Formic aci d

    c. sulphuric acid

    d. Ethanoic acid

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

    a. Calcium carbonate

    b. Sodium Carbonate

    c. Sodium hydrogen carbonate

    d. Calcium chloride

    Physical and chemical changes

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

    a. Chemical change

    b . physi cal change

    c. No change

    d. Biological change

    2. When carbon dioxide is passed through lime water , then lime water becomes

    a. milky