Total Number of Question/s - 3367

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  • 1. Crop Production and Management - Quiz


    1. Transferring and c0mbination of desirable characteristic features into plants and multiplying them is called :
    a) eugencies
    b) plant breeding
    c) genetic engineering
    d) crop improvement

    2. The advantage of ploughing is :
    a) it allows the penetration of roots plants
    b) it helps in proper aeration and eradicates weeds
    c) it promotes the growth of useful soil bacteria
    d) all of the above

  • 2. Microorganisms: Friend and Foe - Quiz


    1. Which of the following is a closely related character of euglena with higher plants ?
    a) Presence of a flexible pellicle made of protein
    b) They have an eye spot astaxanthin bearing pigment
    c) Euglenoids bear one or two flagella
    d) Chlorophyll is localised in chloroplasts

    2. Viruses are made of:
    a) Nucleoprotein
    b) Lipoprotein
    c) Lipids
    d) Glycosides

  • 3. Synthetic Fibers and Plastics - Quiz


    1. Jute fibre is obtained from the_________ of jute plants.
    a) Stem
    b) Leaves
    c) Seeds
    d) Roots

    2. Plastics find extensive use because:
    a) Plastic is a polymer
    b) It is easily mouldable
    c) It is synthetic
    d) Plastic has a linear arrangement

  • 4. Materials: Metals and Non-Metals - Quiz


    1. The metal extracted from limestone, marble and chalk is:
    a) Calcium
    b) Sodium
    c) Aluminium
    d) Iron

    2. Metal which does not react even with steam :
    a) potassium
    b) Iron
    c) magnesium
    d) silver

  • 5. Coal and Petroleum - Quiz


    1. Natural gas mainly consists of:
    a) CH4
    b) C2H6
    c) C3H8
    d) C4H10

    2. Plants store solar energy in the form of :
    a) electric energy
    b) thermal energy
    c) chemical energy
    d) bio energy

  • 6. Combustion and Flame - Quiz


    1. The blue zone in a LPG flame indicates:
    a) Hottest and complete combustion
    b) Unburnt vapour
    c) Partial decomposition
    d) Moderately hot

    2. Hydrogen gas has the highest calorific value i.e, 150kJ/kg. yet it is not used as a fuel. The reason are:
    a) It is explosive in nature
    b) It causes storage problem
    c) It causes transportation problem
    d) All of the above

  • 7. Conservation of Plants and Animals - Quiz


    1. What is a National Park?
    a) An area where grazing and cultivation are permitted
    b) An area strictly reserved for improvement of wild life
    c) A park where the whole nation can have picnics
    d) A park which can be privately owned

    2. The introduction of exotic species into an area :
    a) helps to conserve wildlife
    b) helps to protect biodiversity
    c) affects native species adversely
    d) helps native species survive

  • 8. Cell — Structure and Functions - Quiz


    1. The region of chorosomes to which spindle fibres are attached is :
    a) centriole
    b) chromomeres
    c) centromere
    d) choromocentre

    2. The dense threadlike and rodlike structure present in the nucleus are respectively
    a) Chromatin and cromosome
    b) Genes and chromatin
    c) Chromosomes and centrosomes
    d) Centrosomes and chromatin

  • 9. Reproduction in Animals - Quiz


    1. Cowper glands secret a substance to:
    a) Serve as a lubricant
    b) Protect sperms
    c) Make the semen alkaline
    d) Help the sperm in penetrating the ovum

    2. Which of the following is an unpaired structcure ?
    a) ovary
    b) testes
    c) Fallopian tube
    d) uterus

  • 10. Reaching the Age of Adolescence - Quiz


    1. At puberty, a diet rich in proteins is essential for:
    a) The formation of new cells for growth
    b) Supplying sufficient energy
    c) The formation of strong bones and teeth
    d) Protection from diseases

    2. What is the legal age for boys and girls to get married in our country ?
    a) 18 years for boys , 21 years for girls
    b) 21 years for boys , 18 years for girls
    c) 23 years for boys , 20 years for girls
    d) 25 years for boys , 18 years for girls

  • 11. Force and Pressure - Quiz


    1. Which of the following is NOT true ?
    a) A sharp knife can easily cut due to its small cutting surface
    b) It is easier to walk in sand than on road
    c) A battle tank can easily on soft ground because its tracks have bigger surface
    d) The pressure exerted by a needle is much more than the foot of an elephant

    2. Friction can be increased by:
    a) Making the surfaces rough
    b) Using dry surfaces
    c) Increasing the weight
    d) All of the above

  • 12. Friction - Quiz


    1. When a coin and a feather are dropped simultaneously from the same height, the coin strikes the ground first. This is because of:
    a) Friction
    b) Gravitational force
    c) Mass of coin
    d) None of these

    2. Which of the following statement is CORRECT ?
    a) rolling a body is easier than sliding
    b) sliding body is easier than rolling
    c) dragging body is easier than sliding
    d) dragging body is easier than rolling

  • 13. Sound - Quiz


    1. In humans, the sound is produced by:
    a) Wind pipe
    b) Larynx
    c) Vocal cords
    d) Lungs

    2. An object oscillates 50 times in one second. What would be its frequency?
    a) 0.2 hz
    b) 0.02 hz
    c) 50 hz
    d) 0.002 hz

  • 14. Chemical Effects of Electric Current - Quiz


    1. On electrolysis, water splits into:
    a) Negatively charged hydrogen ions and positively charged oxygen ions
    b) Positively charged hydrogen ions and negatively charged oxygen ions
    c) Hydrogen and oxygen atoms having positive and negative charges respectively
    d) Hydrogen and oxygen atoms having negative and positive charges respectively

    2. To cell by convention, charge is taken to be flowing from:
    a) Negative electrode to positive electrode
    b) Positive electrode to negative electrode
    c) Both A and B
    d) None of the above

  • 15. Some Natural Phenomena - Quiz


    1. Suppose you are in a car and it is raining heavily with thunderstorms. Then what is the best way to protect yourself from a possible thunder storm fall?
    a) Get out of the car and take over under the car
    b) Remain in the car
    c) Run to nearby a tree
    d) Get out and stand under an electric pole

    2. Which of the following statement is NOT true?
    a) lightning and spark from wollen clothing are essentially the same phenomena
    b) when you rub a plastic scale on your dry hair , it acquires a charge
    c) charge acquired by a glass rod when it is rubbed with silk is called as negative charge
    d) static charges are called so, because they do not move by themselves

  • 16. Light - Quiz


    1. When the distance between the objects and the plane mirror increase:
    a) The image remains same
    b) The distance between the image and the plane mirror increases
    c) The size of the image will become less than the size of the objects
    d) The distance between the image and the plane mirror decreases

    2. The perpendicular drawn at an point on a mirror is called:
    a) Normal
    b) Incident ray
    c) Reflected ray
    d) Image

  • 17. Stars and the Solar System - Quiz


    1. The only moon in the solar system with active volcanoes is :
    a) Moon
    b) Io
    c) Titan
    d) Ganymede

    2. Jupiter is a/an :
    a) terrestrial planet
    b) gas planet
    c) asteroid
    d) hottest planet

  • 18. Pollution of Air and Water - Quiz


    1. Catalytic converters are used in:
    a) Poultry farms
    b) Wind mills
    c) Automobiles
    d) Diary farms

    2. If there was no CO2 in the atmosphere, the earth temperature would be:
    a) Same as present
    b) Less than the present
    c) Higher than the present
    d) Dependent on Ocontent of air