GSHSEB 10th Science and Tech Question Paper March 2011 Free Download

GSHSEB 10th Science and Tech Question Paper March 2011 Free Download

GSHSEB Class 10th Science and Tech Question Paper March 2011, GSHSEB Delhi Class 10th (X) March 2011 Science and Tech Question Paper GSHSEB Class X Science and Tech Question Paper March 2011 outside Delhi Students Free Download GSHSEB 10th  – X Science and Tech Question Paper for Foreign Students with Answers and Solution March 2011 GSHSEB Board Exam Papers for Class 10 (X) std GSHSEB March 2011 Science and Tech Question Bank with Full Details.

Science and Tech

Time : 75 minutes 

  Maximum Marks : 50

1. From which kind of Steel is the permanent magnet prepared?
(A) Silica steel    (B) Stainless steel
(C) Cobalt steel (D) Manganese steel

2. What is the pH of pure water at 25°C temperature?
(A) 14      (B) 7
(C) 10      (D) 1

3. What is used in Endoscope?
(A) Photochromic Glass (B) Optical Glass
(C) Pyrex Glass                (D) Optical Fibres

4. What percentage of Gypsum is added in the preparation of Cement?
(A) 2% to 5%     (B) 0.2% to 1.5%
(C) 6% to 8%      (D) 8% to 10%

5. What is the excretion structure in Amoeba?
(A) Contractile Vacuole (B) Flame Cells
(C) Nephridia                   (D) Osculum 

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