Biology IGCSE

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Across
  1. 2. The _____ of an organism is its features.
  2. 3. what are the organelles that are only present in the cytoplasm of plant cells
  3. 6. How does a water vapour molecule move out of the air space of a leaf into the atmosphere on a dry day
  4. 7. A ______ resource is one that can be removed from the environment without running out.
  5. 8. What nucleotide is paired with Adenine
  6. 10. _____ can be used to control fertility.
  7. 11. which blood cell need glucose
  8. 12. Keeps its concentration low when continual removal of oxygen by blood capillaries in the capillary lining
  9. 14. Alcohol is a _______ drug, which slows down reaction time and reduces inhibitions.
  10. 18. Medication that prevents the formation of blood clot in the arteries
  11. 23. Proteins are broken down to remove the ______ by the process of deamination.
  12. 26. ______ is an example of habitat destruction: it can lead to extinction, soil erosion, and etc.
  13. 27. A membrane that is outside of the lung and the inside of the thorax that are lined with a smooth membrane
  14. 28. What is the name of the test for vitamin C
  15. 30. What is the process of mechanical digestion in the mouth by means of the teeth
  16. 31. Change in the external or internal environment of an organism
  17. 32. How Are leaf veins constructed in dicotyledon leaves
  18. 34. The _____ is the site of breakdown of alcohol and other toxins.
  19. 37. Bacterium that was identified as a cause of food poisoning
  20. 40. What is the word to describe a plant tissue lacking water
  21. 41. What do you call a substance that removes the hydrogen in a substance
Down
  1. 1. A substance when cell wall are thickened and impregnated with
  2. 2. ______ can be used to extract fruit juices.
  3. 4. Genetic engineering includes the _____ of human genes into bacteria to produce human insulin.
  4. 5. if a ______ occurs in a gamete, it will affect all the cells of the individual that develops to form a zygote.
  5. 9. Oestrogen and progesterone are secreted by ______ glands.
  6. 13. What is the any part of the plant is called when it uses or store food
  7. 15. What do you call the chemical compound that an enzyme works on
  8. 16. The inheritance of sickle-cell anemia can be predicted using _____ diagrams.
  9. 17. What do you call the transport of sugars and amino acids in plants
  10. 19. A black pigment in the eye that absorbs light
  11. 20. Plasma with the fibrinogen removed
  12. 21. Process when food molecules are combined with oxygen
  13. 22. Organisms that reproduce ________ use mitosis to create more cells.
  14. 24. How is energy transferred between trophic levels?
  15. 25. What do you call a group of organisms that can reproduce successfully to produce fertile offspring?
  16. 29. A Fluid when plasma is leaked to surrounding tissue
  17. 33. What do you call the abnormal coloration of leaves which is caused by nitrate and magnesium ion deficiency
  18. 35. Device that measures the rate of respiration by seeing how oxygen is taken up
  19. 36. In which process is excess amino acids converted to form glycogen and urea in the liver
  20. 38. What do you call a group of cells with similar structures working together to perform a shared function.
  21. 39. Made in the liver when excess amino acids are broken down