Karnataka Educations

Chapter 8 How do Organisms Reproduce  Multiple Choice Questions (MCQ)  1. During favourable conditions, Amoeba reproduces by (a) multiple fission (b) binary fission (c) budding (d) fragmentation Answer: (b) binary fission 2. A feature of reproduction that is common to Amoeba, Yeast and Spirogyra is that (a) they reproduce asexually (b) they are all unicellular (c) they reproduce only sexually (d) they are all multicellular Answer: (a) they reproduce asexually 3. The ability of a cell to divide into several cells during reproduction in Plasmodium is called (a) budding (b) multiple fission (c) binary fission (d) reduction division Answer: (b) multiple fission 4. Bryophyllum can be propagated vegetatively by the (a) stem (b) leaf (c) root (d) flower Answer: (b) leaf 5. Vegetative propagation refers to formation of new plants from (a) stem, flowers and fruits (b) stem, leaves and flowers (c) stem, roots and flowers (d) stem, roots and leaves Answer: (d) stem, roots and leaves 6. In a potat

Chapter 7 Control and Coordination Multiple Choice Questions (MCQ)  1. Which plant hormone promotes dormancy in seeds and buds? (a) Auxin (b) Gibberellin (c) Cytokinin (d) Abscisic acid Answer: (d) Abscisic acid 2. Roots of plants are: (a) positively geotropic (b) negatively geotropic (c) positively phototropic (d) None of these Answer: (a) positively geotropic 3. Response of plant roots towards water is called: (a) Chemotropism b) Phototropism (c) Hydrotropism (d) Geotropism Answer: (c) Hydrotropism 4. Movement of sunflower in accordance with the path of Sun is due to (a) Chemotropism (b) Geotropism (c) Phototropism (d) Hydrotropism Answer: (c) Phototropism 5. Which plant hormone promotes cell division? (a) Auxin (b) Gibberellin (c) Cytokinin (d) Abscisic acid Answer: (c) Cytokinin 6. The main function of abscisic acid in plants is (a) to promote cell division. (b) to inhibit growth. (c) to promote growth of stem. (d) to increase the length of cells. Answer: (b) to inhibit growth. 7.

Chapter 6 Life Process Multiple Choice Questions (MCQ) 1. Which of the following are energy foods? (a) Carbohydrates and fats (b) Proteins and mineral salts (c) Vitamins and minerals (d) Water and roughage Answer: (a) Carbohydrates and fats 2. In which mode of nutrition an organism de-rives its food from the body of another living organism without killing it? (a) Saprotrophic nutrition (b) Parasitic nutrition (c) Holozoic nutrition (d) Autotrophic nutrition Answer: (b) Parasitic nutrition 3. The mode of nutrition found in fungi is: (a) Parasitic nutrition (b) Holozoic nutrition (c) Autotrophic nutrition (d) Saprotrophic nutrition Answer: (d) Saprotrophic nutrition 4. Roots of the plants absorb water from the soil through the process of: (a) diffusion (b) transpiration (c) osmosis (d) None of these Answer: (c) osmosis 5. The site of photosynthesis in the cells of a leaf is (a) chloroplast (b) mitochondria (c) cytoplasm (d) protoplasm Answer: (a) chloroplast 6. In amoeba, food is digeste

MCQ Question For Class 10 Science English Medium With Answers Chapter 5 Periodic Classification of Elements 1. Newlands relation is called (a) Musical Law (b) Law of Octaves (c) Periodic Law (d) Atomic Mass Law Answer: b 2. Up to which element, the Law of Octaves was found applicable? (a) Oxygen (b) Calcium (c) Cobalt (d) Potassium Answer: b 3. In Mendeleev’s Periodic Table, gaps were left for the elements to be discovered later. Which of the following elements found a place in the Periodic Table later? (a) Chlorine (b) Silicon (c) Oxygen (d) Germanium Answer: d 4. At the time of Mendeleev, the number of elements known was (a) 63 (b) 65 (c) 62 (d) 64 Answer: a 5. The properties of eka-aluminium predicted by Mendeleev are the same as the properties of later discovered element: (a) Scandium (b) Germanium (c) Gallium (d) Aluminium Answer: c 6. An atom of an element has the electronic confi-guration 2,8,2. To which group does it belong? (a) 4th group (b) 6th group (c) 3rd group (d) 2nd gro

MCQ Question For Class 10 Science English Medium With Answers Chapter 4 Carbon and Its Compounds 1. Which of the following statements are correct for carbon compounds? (i) Most carbon compounds are good conductors of electricity. (ii) Most carbon compounds are poor conductors of electricity. (iii) Force of attraction between molecules of carbon compounds is not very strong. (iv) Force of attraction between molecules of carbon compounds is very strong. (a) (ii) and (iv) (b) (ii) and (iii) (c) (i) and (iv) (d) (i) and (iii) Answer: b 2. C3H8 belongs to the homologous series of (a) Alkynes (b) Alkenes (c) Alkanes (d) Cyclo alkanes Answer: c 5. The number of isomers of pentane is (a) 2 (b) 3 (c) 4 (d) 5 Answer: b 6. Which of the following will undergo addition reactions? (a) CH4 (b) C3H8 (C) C2H6 (d) C2H4 Answer: d 7. When ethanoic acid is treated with NaHCO^ the gas evolved is (a) H2 (b) CO2 (c) CH4 (d) CO Answer: b 8. Ethanol on complete oxidation gives (a) acetic acid/ethanoic acid (b)

MCQ Questions for Class 10 Science with Answers (English) Chapter 1 Chemical Reactions and  Equations Chapter 2 Acids Bases and Salts Chapter 3 Metals and Non-Metals Chapter 4 Carbon and Its Compounds Chapter 5 Periodic Classification of Elements Chapter 6 Life Process Chapter 7 Control and Coordination Chapter 8 How do Organisms Reproduce  Chapter 9 Heredity and Evolution SSLC 2021 Exam Questions All Subjects MCQ :  First Language Kannada ಪ್ರಥಮ ಭಾಷೆ ಕನ್ನಡ ಗದ್ಯ-1 ಯುದ್ಧ ಗದ್ಯ – 2 ಶಬರಿ ಗದ್ಯ – 3 ಲಂಡನ್ ನಗರ ಗದ್ಯ – 4 ಭಾಗ್ಯಶಿಲ್ಪಿಗಳು ಗದ್ಯ – 5 ಎದೆಗೆ ಬಿದ್ದ ಅಕ್ಷರ ಗದ್ಯ – 6 ವ್ಯಾಘ್ರಗೀತೆ ಗದ್ಯ -7 ವೃಕ್ಷಸಾಕ್ಷಿ ಗದ್ಯ – 8 ಸುಕುಮಾರ ಸ್ವಾಮಿಯ ಕತೆ ಪದ್ಯ -1 ಸಂಕಲ್ಪಗೀತೆ ಪದ್ಯ – 2 ಹಕ್ಕಿಹಾರುತಿದೆ ನೋಡಿದಿರಾ ಪದ್ಯ -3 ಹಲಗಲಿ ಬೇಡರು ಪದ್ಯ – 4 ಕೌರವೇಂದ್ರನ ಕೊಂದೆ ನೀನು ಪದ್ಯ – 5 ಹಸುರು ಪದ್ಯ – 6 ಛಲಮನೆ ಮೆರೆವೆಂ ಪದ್ಯ -7 ವೀರಲವ ಪದ್ಯ -8 ಕೆಮ್ಮನೆ ಮೀಸೆವೊತ್ತನೇ ಪೂರಕ ಅಧ್ಯಯನ -1 ಸ್ವಾಮಿ ವಿವೇಕಾನಂದರ ಚಿಂತನೆಗಳು ಪೂರಕ ಅಧ್ಯಯನ -2 ವಸಂತ ಮುಖ ತೋರಲಿಲ್ಲ ಪೂರಕ ಅಧ್ಯಯನ -3 ಭಗತ್ ಸಿಂಗ್ ಪೂರಕ ಅಧ್ಯಯನ -4 ಮೃಗ ಮತ್ತು ಸುಂದರಿ ಪೂರಕ ಅಧ್ಯಯನ -5 ಜನಪದ ಒಗಟುಗಳು Second Language English ದ್ವಿ

MCQ Question For Class 10 Science English Medium With Answers Chapter 3 Metals and Non-Metals 1. Aluminium is used for making cooking uten sils. Which of the following properties of aluminium are responsible for the same? (i) Good thermal conductivity (ii) Good electrical conductivity (iii) Ductility (iv) High melting point (a) (i) and (ii) (b) (i) and (iii) (c) (ii) and (iii) (d) (i) and (iv) Answer: d 2. The most abundant metal in the earth’s crust is (a) Iron (b) Aluminium (c) Calcium (d) Sodium Answer: b 3. The poorest conductor of heat among metals is (a) Lead (b) Mercury (c) Calcium (d) Sodium Answer: a 4. Which property of metals is used for making bells and strings of musical instruments like Sitar and Violin? (a) Sonorousness (b) Malleability (c) Ductility (d) Conductivity Answer: a 5. Al2O3 + 2NaOH → …… + H2O (a) Al(OH)3 (b) Na2O (c) NaAlO2 (d) AlNaO2 Answer: c 6. Which of the following is the correct arrange-ment of the given metals in ascending order of their reactivity? Zi

MCQ Question For Class 10 Science English Medium With Answers Chapter 2 Acids Bases and Salts 1. What happens when a solution of an acid is mixed with a solution of a base in a test tube? (i) Temperature of the solution decreases (ii) Temperature of the solution increases (in) Temperature of the solution remains the same (iv) Salt formation takes place (a) (i) and (iv) (b) (i) and (iii) (c) (ii) only (d) (ii) and (iv) Answer: d 2. When hydrogen chloride gas is prepared on a humid day, the gas is usually passed through the guard tube containing calcium chloride. The role of calcium chloride taken in the guard tube is to (a) absorb the evolved gas (b) moisten the gas (c) absorb moisture from the gas (d) absorb Cl– ions from the evolved gas Answer: c Explanation: Reason: Guard tube drys (absorbs water) from calcium chloride on a humid day. 3. Which one of the following salts does not con-tain water of crystallisation? (a) Blue vitriol (b) Baking soda (c) Washing soda (d) Gypsum Answer: b

MCQ Questions for Class 10 Science with Answers Chapter 1 Chemical Reactions and  Equations 1. Which of the following is a displacement reaction? a) MgCO3 → MgO +CO2 b) 2Na + 2H2O → 2NaOH + H2 c) 2H2 + O2 → 2H2O d) 2Pb (NO3)2 →Heat→ 2PbO +4NO2+O2 Answer: b Explanation : Reason: Here sodium (Na) displaces to form sodium hydroxide. 2. Magnesium ribbon is rubbed before burning because it has a coating of (a) basic magnesium carbonate (b) basic magnesium oxide (c) basic magnesium sulphide (d) basic magnesium chloride Answer: a 3. Which of the following statements about the given reaction are correct? 3Fe (s) + 4H2O (g) → Fe3O4 (s) + 4 H2 (g) (i) Iron metal is getting oxidised (ii) Water is getting reduced (iii) Water is acting as reducing agent (iv) Water is acting as oxidising agent (a) (i), (zi) and (iii) (b) (in) and (iv) (c) (i), (ii) and (iv) (d) (ii) and (iv) Answer: c 4. Which of the following are exothermic processes? (i) Reaction of water with quick lime (ii) Dilution of an acid (