Studyzone For SSC_GD Constable

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Feel the beauty of nature my dear .... Please memorize these questions.... 1.   A place in environment where an organism lives is ________         a. Home         b. Resort         c. Habitat         d. Reservoir 2.   Cutting of trees on large scale is called         a. Deforestation         b. Reforestation         c. Afforestation         d. None of these 3.   Deforestation takes place by         a. Human activities         b. Only by natural resources         c. Both of these         d. None of these 4.   The species which are at the verge of the extinction         a. Endemic         b. Extinct         c. Endangered         d. None of these 5.   The growing more and more of plants is called         a. Deforestation         b. Afforestation         c. Reforestation         d. None of these 6.   Fauna indicates for         a. Plants       

1. The property of metals by which they can be beaten in to thin sheets is called- a. malleability b. Ductility c. conduction d. Expansion Ans . 1. (a) 2. Which one of the following is metal? a. C b. N c. Na d. O Ans . 2. (c) 3. Which one of the following is non metal? a. Zn b. Al c. Fe d. N Ans . 3. (d) 4. All materials shown property of malleability expect a. Iron b. Graphite c. Aluminium d. Silver Ans . 4. (b) 5. Which one of the following is a good conductor of electricity? a. Iron b. Plastic c. Wood d. Glass Ans . 5. (a) 6. The property of metal by which it can be drawn into wires is called a. Conductivity b. malleability c. Ductility d. Decorating Ans . 6. (c) 7. The metals that produce ringing sounds, are said to be- a. malleable b. sonorous c. Lustrous d. hard Ans . 7. (b) 8. Which metal is found in liquid state t room temperature? a. Fe b. Zn c. Hg d. Al Ans . 8. (c) 9. The solution of ash of magnesium ribbon is- a. Acidic b. Basic c. Neutral d. All of these

1.    The most reactive metal is:         (a) Iron (b) Gold (c) Zinc (d) Potassium. 2.    The liquid metal at room temperature         (a) Mercury (b) Bromine (c) Sodium (d) Gold. 3.    Non-metals are:         (a) generally liquids (b) generally gases         (c) generally solids and gases (d) generally gases and liquids. 4.    The metal which is stored in kerosene:         (a) Phosphorus (b) Magnesium (c) Sodium (b) Magnesium 5.    The non-metal which is liquid at room temperature is:         (a) Carbon (b) Iodine (c) Bromine (d) Chlorine. 6.    Materials around us can be classified into         (a) Elements and compounds (b) Metals and non-metals         (c) Acids and bases (d) None of these. 7.    All metals are solids except         (a) Sodium (b) Calcium (c) Mercury (d) Hydrogen. 8.    Metal oxides are of nature         (a) Acidic (b) Basic (c) Neutral (d) All of these

1.   The chlorophyll in photosynthesis is used for         I.   Absorbing light       II.   Breaking down water molecule      III.   No function      IV.   Reduction of CO 2 2.   Proteins after digestion are converted into         I.   Carbohydrates       II.   Small globules      III.   Amino acids      IV.   starch 3.   Carbohydrates in the plants are stored in the form of         I.   Glycogen       II.   Starch      III.   Glucose      IV.   Maltose 4.   Main site of photosynthesis         I.   Leaf       II.   Stem      III.   Chloroplast      IV.   Guard cells 5.   The small pores present of leaf’s surface are called         I.   Stomata       II.   Chlorophyll      III.   Guard cells      IV.   None of these 6.   Photosynthesis is a         I.   Catabolic process       II.   Parabolic process      III.   Amphibolic process      IV.   Photochemical lprocess 7.   Opening and closing of pores

1.    Which of the following is totally impossible outcome of Mendel�s Experiment?         a. 3 tall 1 short plant         b. 24 tall and 8 short plants         c. 8 tall and 0 short plants         d. 4 tall plants and 1 medium height plant. 2.    Which of the following is not a direct conclusion that can be drawn from Mendel�s Experiment?         a. Only one parental trait is expressed         b. Two copies of each trait is inherited in sexually reproducing organism         c. For recessive trait to be expressed, both copies should be identical         d. Natural selection can alter frequency of an inherited trait. 3.    Which one is a possible progeny in F2 generation of pure bred tall plant with round seed and short plant with wrinkled seeds?         a. Tall plant with round seeds         b. Tall plant with wrinkled seeds         c. Short plant with round seed         d. All of the above 4.    Which section of DNA provides information