SCIENCE MCQ TEST for Class 10th 19 SCIENCE FOR CLASS 10TH MCQ 1 / 20 Category: SCIENCE CLASS 10TH 1. The ability of the eye to see objects at different distances is called: A. Reflection B. Refraction C. Accommodation D. Dispersion 2 / 20 Category: SCIENCE CLASS 10TH 2. Döbereiner grouped elements with similar properties into sets of three called: A. Triads B. Octaves C. Groups D. Periods 3 / 20 Category: SCIENCE CLASS 10TH 3. Which of the following is NOT a function of the nervous system? A. Regulating body temperature B. Responding to stimuli C. Controlling and coordinating body movements D. Receiving and interpreting information from the environment 4 / 20 Category: SCIENCE CLASS 10TH 4. In the periodic table, elements in the same ______ have similar chemical and physical properties. A. Block B. Group C. Series D. Period 5 / 20 Category: SCIENCE CLASS 10TH 5. The change in the frequency or wavelength of a wave as it passes from one medium to another is called: A. Diffraction B. Interference C. Reflection D. Refraction 6 / 20 Category: SCIENCE CLASS 10TH 6. Who is credited with the earliest attempt to classify elements? A. Henry Moseley B. John Newlands C. Dmitri Mendeleev D. Johann Wolfgang Döbereiner 7 / 20 Category: SCIENCE CLASS 10TH 7. Which of the following is an organic compound? A. C2H6 B. CO2 C. H2O D. NaCl 8 / 20 Category: SCIENCE CLASS 10TH 8. In humans, fertilization occurs in the: A. Fallopian tube B. Ovary C. Uterus D. Vagina 9 / 20 Category: SCIENCE CLASS 10TH 9. Newlands' Law of Octaves stated that when elements are arranged in order of increasing atomic mass, every ________ element has properties similar to the first. A. Third B. Eighth C. Fifth D. Tenth 10 / 20 Category: SCIENCE CLASS 10TH 10. A material through which electric current can pass with very little resistance is called a: A. Insulator B. Conductor C. Diode D. Semiconductor 11 / 20 Category: SCIENCE CLASS 10TH 11. Which of the following is an example of non-biodegradable waste? A. Plastic bags B. Fallen leaves C. Paper D. Vegetable peels 12 / 20 Category: SCIENCE CLASS 10TH 12. Which of the following is a heritable characteristic? A. Eye color B. The ability to play a musical instrument C. The ability to ride a bicycle D. Learned behavior 13 / 20 Category: SCIENCE CLASS 10TH 13. In the reaction 2HCl + Na2CO3 → 2NaCl + H2O + CO2, the products are A. Sodium chloride, carbon dioxide, and hydrogen B. Sodium chloride, hydrogen, and oxygen C. Sodium chloride and water only D. Sodium chloride, water, and carbon dioxide 14 / 20 Category: SCIENCE CLASS 10TH 14. Which of the following is a Döbereiner's Triad? A. Li, Na, K B. Na, Mg, Al C. N, P, As D. Ca, Sr, Ba 15 / 20 Category: SCIENCE CLASS 10TH 15. The process by which living organisms obtain and use energy from food is called: A. Respiration B. Transpiration C. Photosynthesis D. Digestion 16 / 20 Category: SCIENCE CLASS 10TH 16. The magnetic field produced by a straight current-carrying wire is: A. Concentrated around the wire B. Concentrated in the center of the wire C. Concentrated at the ends of the wire D. Non-existent 17 / 20 Category: SCIENCE CLASS 10TH 17. Which of the following is a non-metal? A. Oxygen B. Iron C. Calcium D. Sodium 18 / 20 Category: SCIENCE CLASS 10TH 18. Which of the following is NOT a characteristic of an acid? A. Turns blue litmus paper red B. Sour taste C. Has a pH greater than 7 D. Reacts with a base to form a salt and water 19 / 20 Category: SCIENCE CLASS 10TH 19. Which of the following is NOT a renewable source of energy? A. Hydroelectric energy B. Wind energy C. Solar energy D. Fossil fuels 20 / 20 Category: SCIENCE CLASS 10TH 20. According to Döbereiner's Law of Triads, the atomic mass of the middle element is approximately the: A. Difference of the atomic masses of the other two B. Arithmetic mean of the atomic masses of the other two C. Product of the atomic masses of the other two D. Sum of the atomic masses of the other two Your score is 0% Restart quiz