SEE (Secondary Education Examination, Nepal) · Science and Technology

Mixed physics, chemistry and biology

19 practice questions, each with the answer and an explanation.

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Random questions from this topic, one at a time. You see the answer and the explanation straight after each one.

All 19 questions

  1. A metal rod 2 m long expands by 2.4 mm when heated by 100 degrees Celsius. What is its coefficient of linear expansion?
  2. How much heat is needed to raise the temperature of 2 kg of water by 10 °C? (specific heat of water = 4200 J/kg °C)
  3. Which mirror forms a real, inverted image when an object is placed beyond its centre of curvature?
  4. A body weighs 600 N on the Earth. Taking the Moon's gravity as one sixth of the Earth's, what is its weight on the Moon?
  5. What is the frequency of a wave with a time period of 0.02 s?
  6. A current of 2 A flows through a 10 ohm resistor for 30 s. How much heat is produced?
  7. Which of the following is an alloy?
  8. What is the chemical formula of slaked lime?
  9. What mass of oxygen is present in 36 g of water? (H = 1, O = 16)
  10. Which acid is present in lemon and other citrus fruits?
  11. Which part of a plant absorbs water and minerals from the soil?
  12. Which of these diseases is caused by bacteria?
  13. Which blood group is called the universal donor?
  14. Which structure in the eye controls how much light enters?
  15. Which defect of vision is corrected by using a concave lens?
  16. What is the function of the xylem in a plant?
  17. Which organ of the human body produces bile?
  18. Approximately how long does the Earth take to complete one revolution around the Sun?
  19. Which electromagnetic wave has the shortest wavelength?

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