+2 Science Entrance Your Name Your Email Your Phone Number 1. Oxidation is a process which involves (d) removal of hydrogen (a) addition of oxygen (c) removal of oxygen (b) addition of hydrogen 2. The pair of equations 3x – 5y = 7 and – 6x + 10y = 7 have (d) two solutions (b) infinitely many solutions (a) a unique solution (c) no solution 3. The synonym of 'APPEASEMENT ‘is d) conciliation a) favour c) helping hand b) good turn 4. The image which is formed behind the mirror+D4 (d) partial image (b) virtual image (c) blue image (a) real image 5. The product of a rational and irrational number is (b) irrational (d) none of above (c) both of above (a) rational 6. The deviation of light ray from its path when it travels from one transparent medium to another transparent medium is called (c) dispersion (a) reflection (d) scattering (b) refraction 7. The most abundant metal in the earth’s crust is (c) Calcium (a) Iron (d) Sodium (b) Aluminium 8. The sum of a rational and irrational number is (a) rational (b) irrational (c) both of above (d) none of above 9. Under which of the following conditions a concave mirror can form an image larger than the actual object? (c) When object is placed between the focus and centre of curvature (a) When the object is kept at a distance equal to its radius of curvature (b) When object is kept at a distance less than its focal length (d) When object is kept at a distance greater than its radius of curvature 10. The graph of y = 5 is a line parallel to the (d) none of these (b) y-axis (c) both axis (a) x-axis 11. The laws of reflection hold good for (d) all mirrors irrespective of their shape (c) convex mirror only (b) concave mirror only (a) plane mirror only 12. In a rectangle Length = 8 cm, Breadth = 6 cm. Then its diagonal = … (a) 9 cm (d) 12 cm (c) 10 cm (b) 14 cm 13. Alkalis are (d) bases, which are soluble in water (a) acids, which are soluble in water (b) acids, which are insoluble in water (c) bases, which are insoluble in water 14. The product of a non-zero rational and an irrational number is (b) rational or irrational (d) zero (a) always rational (c) always irrational 15. Complete the sentence by filling the appropriate word. My grandfather died ………. I was born b) when c) as d) before a) since 16. In which sentence conjunction is not used? d) Our hoard is little, but our hearts are great. a) God made the country and manmade the town c) This is the house that Mohammad Tanvir built. b) She must weep, or she will die 17. Name the tense. ''When the Prime Minister left the Parliament Mr. L.K. Advani was speaking'' d) Past Indefinite Tense a) Present Imperfect Tense b) Past Imperfect Tense c) Present Indefinite Tense 18. Sodium carbonate is a basic salt because it is a salt of a (d) weak acid and strong base (b) weak acid and weak base (a) strong acid and strong base (c) strong acid and weak base 19. Na2CO3 . 10H2O is (c) bleaching powder (b) baking soda (d) tartaric acid (a) washing soda 20. Select the wrong sentence. a) The scenery here is very good d) He gave me some advice c) She request for my help b) We discussed the matter yesterday 21. A 10 mm long awl pin is placed vertically in front of a concave mirror. A 5 mm long image of the awl pin is formed at 30 cm in front of the mirror. The focal length of this mirror is (b) -20 cm (c) -40cm (d) -60 cm (a) -30 cm 22. . . . . . . . . he is 25, he is still at school. d) whatever a) although b) while c) because 23. Shiv and Hari ____ helpful. d) was b) be a) had been c) have been 24. The total number of events of throwing 10 coins simultaneously is (d) 10 (c) 100 (b) 512 (a) 1024 25. The passive from of Sarnia will help my sister is c) Sinai is helped by my sister a) by sister my sister was helped by Sarnia d) my sister is helped by Shania b) my sister will be helped 26. The missing alphabets in _c_es_ ib_e are c) l , a , s , c a) a, c, s, l b) a ,l c, s d) c ,a ,s ,l 27. One equation of a pair of dependent linear equations is 2x + 5y = 3. The second equation will be (c) -10x – 25y + 15 = 0 (b) 3x + 5y = 3 (a) 2x + 5y = 6 (d) 10x + 25y = 15 28. The result of U. P Board High school . . . . . declared, disappointed everyone. d) as a) when c) since b) that 29. When a number is divided by 7, its remainder is always: (c) less than 7 (d) at most 7 (a) greater than 7 (b) at least 7 30. If x = a, y = b is the solution of the equations x + y = 5 and 2x – 3y = 4, then the values of a and b are respectively (a) 6, -1 (c) 1, 4 (b) 2, 3 (d) 19/5, 6/5 Time is Up! Time's up
