Total Number of Question/s - 4224

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  • 1. Chemical Reactions and Equations - Quiz


    SAMPLE QUESTIONS


    1. You are given the following chemical equation:
    Mg(s) + CuO(s) → MgO (s) + Cu(s)
    This equation represents:
    a) decomposition reacction as well as displacemnt reaction
    b) combination reaction as well as double displacement reaction
    c) redox reaction as well as displacement reaction
    d) double displacement reaction as well as redox reaction

    2. The chemical equations are balanced to satisfy one of the following laws in chemical reactions. This law is known as:
    a) law of conservation of momentum
    b) law of conservation of mass
    c) law of conservation of motion
    d) law of conservation of magnetism

  • 2. Acids, Bases and Salts - Quiz


    SAMPLE QUESTIONS


    1. Acid that contain hydrogen and other nonmetallic element other than oxygen is:
    a) Oxyacid
    b) Mineral acid
    c) Hydracid
    d) Strong acid

    2. A solution turns blue litmus red. Its pH is likely to be:
    a) 7
    b) 5
    c) 8
    d) 14

  • 3. Metals and Non-metals - Quiz


    SAMPLE QUESTIONS


    1. The metal which can be extracted from the bauxite ore is:
    a) Na
    b) Mn
    c) Al
    d) Hg

    2. Alloy is an example of:
    a) Gel
    b) Solid solution
    c) Colloidal solution
    d) Emulsion

  • 4. Carbon and its Compounds - Quiz


    SAMPLE QUESTIONS


    1. The pencil leads are made of mainly:
    a) lithium
    b) charcoal
    c) lead
    d) graphite

    2. In a soap micelle, the soap molecules are arranged radially with:
    a) ionic ends directed towards the centre and hydrocarbon ends directed outwards
    b) hydrocarbon ends directed towards the centre and ionic ends directed outwards
    c) both ionic ends and hydrocarbon ends directed towards the centre
    d) both hydrocarbon ends and ionic ends directed outwards

  • 5. Periodic Classification of Elements - Quiz


    SAMPLE QUESTIONS


    1. Law of octaves was proposed by:
    a) Newland
    b) Lavoisier
    c) Dobereineir
    d) Mendeleev

    2. Which of the following is the valence shell for the elements of second period of the modern periodic table?
    a) M shell
    b) K shell
    c) L shell
    d) N shell

  • 6. Life Processes - Quiz


    SAMPLE QUESTIONS


    1. Which of the following correct statement?
    a) heterotrophs synthesise their own food
    b) heterotrophs utilize solar energy for photosynthesis
    c) heterotrophs do not synthesise their own food
    d) heterotrops are capable of converting carbon dioxide and water into carbohydrates

    2. The cells in our blood which destroy diseasing-causing germs, are:
    a) platelets
    b) skin cells
    c) RBCs
    d) WBCs

  • 7. Control and Coordination - Quiz


    SAMPLE QUESTIONS


    1. To which of the following directional stimulus roots of a plant do not respond?
    a) moisture
    b) candle light
    c) touch
    d) gravity

    2. The movement of sunflower in accordance with the path of the sun is due to:
    a) photonasty
    b) phototropism
    c) hydrotropism
    d) chemotropism

  • 8. How do Organisms Reproduce? - Quiz


    SAMPLE QUESTIONS


    1. Vegetative propagation refers to the formation of new plants from the following of new plants from the following existing organs of the old plants:
    a) stems, roots and flowers
    b) stem, roots, and leaves
    c) stems, flowers and fruits
    d) stem,leaves and flowers

    2. Which of the following .statements are true for sexual reproduction in flowering plants?
    (i) it requires two types of gametes
    (ii) fertilisation is a compulsory event
    (iii) it always results in the formation of zygote
    (iv) offsprings formed are clones
    a) (i) and (iv)
    b) (i),(ii) and (iv)
    c) (i), (ii) and (iii)
    d) (ii), (iii) and (iv)

  • 9. Heredity and Evolution - Quiz


    SAMPLE QUESTIONS


    1. Application of the principle of heredity for the improvement of man kind
    a) euthenics
    b) eugenics
    c) biotechnology
    d) euphenics

    2. Mendels dihybrid cross ratio is
    a) 1:2:1
    b) 12:3:1
    c) 9:3:3:1
    d) 9:2:2:1

  • 10. Light - Reflection and Refraction - Quiz


    SAMPLE QUESTIONS


    1. The property of an optical instrument by virtue of which it can form separate images of two close objects :
    a) magnifying power
    b) resolving power
    c) ispersive power
    d) illumination

    2. Choose the correct statement .
    a) If the incident rays are converging we have a real objects
    b) If the final rays are converging we have a real image
    c) The image of a virtual object is called a virtual image
    d) If the image is virtual the corresponding object is called a virtual object

  • 11. Human Eye and Colourful World - Quiz


    SAMPLE QUESTIONS


    1. Which of the following prisms can be used for studying ultraviolet light ?
    a) Combination of flint and crown
    b) Crown glass prism
    c) Flint glass prism
    d) Quartz prism

    2. The coloured light having the maximum speed in glass prism is:
    a) blue
    b) green
    c) violet
    d) yellow

  • 12. Electricity - Quiz


    SAMPLE QUESTIONS


    1. If a unit charge is taken form one point to another over an equipotential surface, then:
    a) Work done on the charge is constant
    b) Work is done on the charge
    c) No work is done
    d) Work is done by the charge

    2. When a body is charged by rubbing, its weight:
    a) Decreases slightly
    b) Remain precisely constant
    c) May increase or decrease slightly
    d) Increases slightly

  • 13. Magnetic Effects of Electric Current - Quiz


    SAMPLE QUESTIONS


    1. Which of the following has its working based on electromagnetic induction?
    a) Ammeter
    b) Transformer
    c) Voltmeter
    d) Galvanometer

    2. An MCB which cuts off the electricity supply in case short-circuiting or overloading works on the:
    a) chemical effect of current
    b) heating effect of current
    c) magnetic effect of current
    d) electroplating effct of current

  • 14. Sources of Energy - Quiz


    SAMPLE QUESTIONS


    1. Which of the following is not a fossil source of energy?
    a) kerosene oil
    b) cow-dung cakes
    c) CNG
    d) coal

    2. LPG is the abbreviation for:
    a)

    b) Low pressure gas
    c) Liquid pressure gas
    d) Liquefied petroleum gas

  • 15. Our Environment - Quiz


    SAMPLE QUESTIONS


    1. Terracing is effective method of soil conservation in :
    a) desert areas
    b) plain areas
    c) hill areas
    d) none of these

    2. The ten percent law is associated with
    a) tranfer of energy from various tropic levels to decomposers in a food chain
    b) transfer of ATP energy into muscular energy
    c) tranfer of chemical energy from one organism to another
    d) transfer of sun`s energy to the organism called producers

  • 16. Management of Natural Resources - Quiz


    SAMPLE QUESTIONS


    1. Which of the following does not help in protecting our environment?
    a) Deforestation
    b) Rotation of crops
    c) Treatment of sewage
    d) Intensive cropping

    2. Which of the following statement is incorrect?
    a) economic development is linked to enviormental conservation
    b) sustainable development meets the current basic human needs and also preserves resources for future generations
    c) sustainable development does not take into consideration the viewpoints of all stakeholders
    d) sustainable development is a long planned and persistant development