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Sslc Model Papers
SCIENCE
(GOVERNMENTAL MODEL QUESTION PAPER)
Time Allowed :2.30 Hours] [ Maximum Marks : 75
Instruction: Check the question paper for fairness of printing. If there is any lack of fairness, inform the Hall Supervisor immediately.
Note :This question paper contains three Sections.
SECTION -I
(Marks: 15) Note : i) Answer all the 15 questions. ii) Choose the correct answer from the four alternatives given in the brackets. 15 x 115
1. Theory of natural selection was proposed by
(Charles Darwin, Hugo de Vries, Gregor Johann Mendel, Jean Baptise Lamarck)
2. The first vaccine injected into a just born baby is _
(Oral polio, DPT, DPT and oral polio, BCG)
3. In sexual reproduction of flowering plants the first event involved in this is

(fertilization, germination, regeneration, pollination)
4. The xylem in the plants are responsible for _
(transport of water, transport of food, transport of amino acid, transport of oxygen)
5. green house gas which causes climate change and global warming.
(Hydrogen, oxygen, nitrogen, carbondioxide)
6. The particles in various forms are visible only under ultramicroscope. A solution containing such particles is called ,
(true solution, colloidal solution, suspension, water)
7. pH = -log10(H+). The pH of a solution containing hydrogen ion, concentration of 0.001m solution is _ (1, 3, 11, 14)
8. Gold does not occur in the combined form. It does not react with air (or) water. It is in _
(native state, combined state, mixed state, gaseous state)
9. Second group elements are called _
(alkali, alkaline earth metals, transition elements, minor transition elements) GOVT. MODEL QUESTION PAPER 2012----------- (!]

10. IUPAC name of the first member of alkyne is , (ethane, ethyne, ethane, acetylene)
11. The weight of 50 kg person at the surface of earth is _
(50N,35N,380N,490N)
12. The potential difference required to pass a current 0.2A in a wire of resistance 20 ohm is _
(100V, 4V, 0.01V, 40V)
13.

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