Class/Course - Class VII

Subject - Science

Total Number of Question/s - 3193


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  • 1. Nutrition in Plants - Quiz

    1. When the starch is treated with iodine solution, its colour changes to?
    a) Red
    b) Green
    c) Blue-black
    d) Greenish yellow

    2. Leguminous plants have their roots modified into:
    a) Fibrous roots
    b) Stilt roots
    c) Nodulated roots
    d) Prop roots

  • 2. Nutrition in Animals - Quiz

    1. Food is absorbed through
    a) Villi
    b) Blood
    c) Blood platelets
    d) Amylase

    2. Digestion starts and ends from
    a) Mouth to small intestine
    b) Mouth to large intestine
    c) Mouth to anus
    d) Mouth to rectum

  • 3. Fibre to Fabric - Quiz

    1. Which of the following is the function of hair ?
    a) Trap a lot of air
    b) Protects internal organs
    c) Keeps body cool
    d) Give beauty

    2. The small fluffy are
    a) Bolls
    b) Burrs
    c) Reels
    d) Combs

  • 4. Heat - Quiz

    1. We cannot use mercury thermometer at low temperature because:
    a) Mercury freezes at low temperatures
    b) Glass might break down at low temperature
    c) Heat does not flow from the body whose measurement we are taking with the thermometer
    d) At low temperature mercury becomes transparent and it becomes difficult to take the reading

    2. More energetic molecules of a body transfer some of their energy to other molecules, without any change in their position in :
    a) conductors
    b) insulators
    c) moderators
    d) None of these

  • 5. Acids, Bases and Salts - Quiz

    1. Which among the following is a soluble hydroxide?
    a) Al(OH)3
    b) NH4OH
    c) Mg(OH)2
    d) Fe(OH)3

    2. Which of the following is a property of a base?
    a) They taste bitter
    b) They feel soapy to touch
    c) They turns red litmus blue
    d) All of the above

  • 6. Physical and Chemical Changes - Quiz

    1. What is the main cause of acid rain?
    a) Pollution
    b) Deforestation
    c) A forestation
    d) Excessive rains

    2. Why is rusting of iron a chemical change?
    a) Because it changes its colour
    b) Because a new substance is formed
    c) Because it become powdery
    d) None of these

  • 7. Weather, Climate and Adaptations of Animals to Climate - Quiz

    1. The leaf insect looks like leaves and polar bear living in snowy regions has white fur on its skin. Although these animals very different from each other, what is the one way in which they are similar?
    a) They use their bodies to attack enemies
    b) They use their bodies to confuse enemies
    c) They use their bodies to prepare food
    d) They migrate to long distances to protect themselves from enemies

    2. The animal which lives in polar regions is :
    a) nightingale
    b) frog
    c) polar bear
    d) fish

  • 8. Winds, Storms and Cyclones - Quiz

    1. Which of the following is the first sign of an approaching cyclone?
    a) Powerful water waves
    b) Rains accompanied by lighting
    c) High temperature and humidity
    d) Cool breeze and rains

    2. Sea and land breezes are caused because of:
    a) Rains
    b) Conduction
    c) Convection
    d) Cyclones

  • 9. Soil - Quiz

    1. Soil helps plants by
    a) Supplying them air
    b) Supplying them water and minerals
    c) Preparing food in their plants
    d) Helping them move from one place to another

    2. Growing different types of crops in a piece of land season after season is called
    a) Crop rotation
    b) Monoculture
    c) Irrigation
    d) Manuring

  • 10. Transportation in Animals and Plants - Quiz

    1. The shape of red blood cells is
    a) Amoeba
    b) Disc
    c) Cuboid
    d) Spherical

    2. Plasma contains around ________ of water
    a) 20%
    b) 90%
    c) 60%
    d) 40%

  • 11. Reproduction in Plants - Quiz

    1. Stigma is sticky
    a) There is no known function
    b) To hold pollen grains strongly
    c) To produce scents to attract birds and insects
    d) None of the above

    2. Female gametes are present in
    a) anther
    b) ovary
    c) pollen tube
    d) stigma

  • 12. Respiration in Organisms - Quiz

    1. Earthworms respire through
    a) Moist skin
    b) Ctenidia
    c) Clitellum
    d) Typholosole

    2. Bronchi divide into
    a) Bronchioles
    b) Bronchus
    c) Alveoli
    d) Air sacs

  • 13. Motion and Time - Quiz

    1. Which of the following relation is correct?
    a) Speed = Distance/Time
    b) Speed = 1/distance x Time
    c) Speed = Time/Distance
    d) Speed = Distance x Time

    2. What is the total distance covered by the end of 14 minutes ?
    a) 10 m
    b) 12 m
    c) 14 m
    d) 20 m

  • 14. Electric Current and its Effects - Quiz

    1. Which of the following instruments is used to check whether electricity is flowing through a substance or not?
    a) Tester
    b) Cell
    c) Voltmeter
    d) Ammeter

    2. Which of the following is an electrical insulator ?
    a) Aluminium
    b) Gold
    c) Rubber
    d) None of these

  • 15. Light - Quiz

    1. An incident ray pasing through the focus will be reflected :
    a) straight away
    b) through the pole of the mirror
    c) back and passes through the centre of curvature
    d) parallel to the principal axis

    2. Shadow moves with :
    a) the change in position of the object
    b) the change in position of the source of light
    c) the change in the distance between the object and the source of light
    d) All of the above

  • 16. Water - Quiz

    1. Water in its pure form is a :
    a) good conductor of heat
    b) bad conductor of heat
    c) good conductor of electricity
    d) none of these

    2. Water, ice and steam are all:
    a) Compounds
    b) Elements
    c) Mixtures
    d) None of these

  • 17. Forests Our Lifeline - Quiz

    1. Which of the following might happen if plants stop releasing oxygen into the atmosphere?
    a) Plants will be more healthier
    b) Number of plants will increase
    c) Animals will die from the lack of oxygen
    d) Number of animal will increase

    2. Loss of top soil is called
    a) Washing
    b) Corrosion
    c) Erosion
    d) Denudation