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