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Q1. What is the smallest building block of matter known to date?
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Q2. Which scientist proposed the theory of inheritance of acquired characteristics?
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Q3. Which of the following is an inorganic compound?
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Q4. Which type of rock is often formed from the remains of plants and animals?
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Q5. What is the main cause of global warming?
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Q6. What is the bending of light as it passes from one medium to another called?
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Q7. What is the process by which rocks and minerals are moved from one place to another by wind, water, or ice?
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Q8. Who is credited with the discovery of penicillin?
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Q9. Which scientist is known for the theory of special relativity?
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Q10. What is the unit of measurement for atmospheric pressure?
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Q11. What is the charge of an alpha particle?
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Q12. Which of the following is used to determine the blood group of an individual?
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Q13. The force required to lift an object against gravity is known as:
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Q14. Which of the following is not a consequence of the theory of relativity?
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Q15. What is the term for the minimum dose of a toxic substance that can cause harm?
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Q16. Who was the first woman in space?
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Q17. Which organelle is known as the powerhouse of the cell?
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Q18. Who proposed the plum pudding model of the atom?
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Q19. Which type of radiation has the highest penetrating power?
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Q20. Which period contains the most elements in the periodic table?