Instructions Time Duration: 60 minTotal Question: 40Total Mark: 160All the Questions are compulsoryEach right answer carries 4 MarksEach wrong answer carries -1 Marks (Negative mark)Once you submit the paper, you cannot reattempt 0% Class 10 AAITHE Test 1 / 40 1. The letter that does not show lateral inversion- (A) Z (B) M (C) O (D) W 2 / 40 2. Option (a) Option (b) Option (c) Option (d) 3 / 40 3. A ray of light is incident normally on a rectangular piece of glass. The value of angle of refraction will be- (A) 180° (B) 90° (C) 45° (D) 0° 4 / 40 4. To get a real and inverted image of the same size as that of the object the object should be placed in front of the convex lens at- (A) F (B) 2F (C) between F and 2F (D) away from 2F, where F is focus 5 / 40 5. A thin lens is made with a material having refractive index 1.5. Both the sides are convex. It is dipped in water 1.33. It will behave like- (A) convergent lens (B) a divergent lens (C) a rectangular slab (D) a prism 6 / 40 6.Which of the following colour has the least wavelength ? (A) Red (B) Orange (C) Violet (D) Blue 7 / 40 7. 1 Coulomb is equal to - (A) 1 amp × 1 sec (B) 1 amp / 1 sec (C) 1 joule × 1 amp (D) 1 joule / 1 sec 8 / 40 8. Laws of heating are given by- (A) Faraday (B) Joule (C) Ohm (D) Maxwell 9 / 40 9. A fuse wire is always connected to the- (A) neutral wire (B) earth wire (C) live wire (D) none of these 10 / 40 10. A.C. used in our domestic consumption has a frequency- (A) 60 Hz (B) 50 Hz (C) 30 Hz (D) 100 Hz 11 / 40 11. Oxidation of a substance means- a. addition of hydrogen to the substance b. removal of oxygen from the substance c. addition of oxygen to the substance d. addition of water to the substance 12 / 40 12. Rusting of iron is an example of a. Corrosion b. rancidity c. oxidation d. reduction 13 / 40 13. Which substance is used for white washing? a. Magnesium Sulphate b. Aluminium Sulphate c. Potassium Chloride d. Calcium Oxide 14 / 40 14. Which gas evolved when acid reacts with metallic substance? a. Chlorine gas b. Hydrogen gas c. Oxygen gas d. Neon gas 15 / 40 5. Which one will not change the colour of red litmus into blue? a. Dry hydrochloric gas b. Sulfuric acid c. Hydrochloric acid d. None of the above 16 / 40 16. Example of weak base is? a. potassium hydroxide b. Sodium hydroxide c. Barium hydroxide d. Ammonium hydroxide 17 / 40 17. Bleaching agent present in the Bleaching powder is? a. Hydrogen b. Oxygen c. Chlorine d. Sulphur 18 / 40 18. The only non-metal which is a good conductor of electricity is? a. Graphite b. Diamond c. Coal d. None of the above 19 / 40 19. Which metal do not react with water? a. Iron b. Lead c. Sodium d. Magnesium 20 / 40 20. Which type of oxide metals generally formed? a. Acidic Oxide b. Neutral oxide c. Basic Oxide d. Amphoteric Oxide. 21 / 40 21. a) First close and then open b) Remain closed c) Remain open d) Open first and then close 22 / 40 22. Which of the following is fully permeable, but does not show imbibitions – a) Cellulosic cell wall b) Biological membrane c) Lignified cell wall d) Suberised cell wall 23 / 40 23. Food is translocated in phloem as – a) Raffinose b) Sorbitol c) Sucrose d) All of these 24 / 40 24. In photosynthetic process, atmospheric carbon di-oxide is ------- to carbohydrates a) Oxidised b) Reduced c) Neutralized d) Burnt 25 / 40 25. When water enters the guard cells the stomata – a) Opens b) Closes c) Open or closes d) No effect 26 / 40 26. Sajib was absent in the class because of muscle pain which he claims to be due to excess physical exercise he had done yesterday. This pain is due to – a) Formation of lactic acid b) Formation of acetic acid c) Formation of pyruvic acid d) Formation of hydrochloric acid 27 / 40 27. Right part of the human heart contains – a) Oxygenated blood b) Mixed blood c) Deoxygenated blood d) No blood 28 / 40 28. Total amount of ATP produce in aerobic respiration – a) No ATP b) 26 ATP c) 38 ATP d) 2 ATP 29 / 40 29. In human each kidney has large numbers of filtration units called – a) Neutrons b) Neurons c) Neptune d) Nephrons 30 / 40 30. Single cell obtain its nutrition by – a) Alimentary canal b) Phagocytosis c) Buccal cavity d) Plasmolysis 31 / 40 31. If the HCF of 65 and 117 is 13, LCM of 65 and 117 is 45 X a, then the value of a is – a. 9 b. 11 c. 13 d. 17 32 / 40 32. a. 21 b. 12 c. 9 d. 8 33 / 40 33. If the line given by 3x+2y=2 and 2x+5y=1 are parallel, then the value K is – a) – 5/4 b) 2/5 c) 15/4 d) 3/2 34 / 40 34. If p(9a-2, -b) divides line segment giving A (3a+1, -3) and B(8a, 5) in the ratio 3:1, then the value of A & B is – a) a =-1, b =3 b) a =-1, b=-3 c) a = 0 , b =0 d) a = 1, b =-3 35 / 40 35. a) 8cm b) 12cm c) 14cm d) 16cm 36 / 40 36. a) 4x b) 2x c) x d) x/2 37 / 40 37. Option (a) Option (b) Option (c) Option (d) 38 / 40 38. a) 64 b) 16 c) 32 d) 0 39 / 40 39. The probability of 53 Sundays in leap year is – a) 2/7 b) 3/7 c) 4/7 d) 5/7 40 / 40 40. a) 0 b) 2 c) 4 d) None of item