Biology QS

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Across
  1. 3. What is something present in the environment in such short supply that it restricts life processes?
  2. 5. Those that stop bacteria from reproducing are said to be…..
  3. 6. What gases make the bubbles in the bread dough?
  4. 8. culture, The two methods of artificial propagation are by taking cuttings and by…
  5. 12. Butterflies have two pairs of wings, compound eyes, and three pairs of jointed legs, these characteristics are common in which class of arthropods?
  6. 14. Fats molecules containing 3 molecules of fatty acids and 1 large molecule of?
  7. 17. What is the name for the term for the chemical reactions in cells that break down nutrient molecules to release energy without using oxygen?
  8. 19. What does detergent mostly contain ?
  9. 20. To test whether starch is present, we use a solution called as?
  10. 22. anemia, What disease inherited both recessive alleles for defective hemoglobin?
  11. 24. Enzyme reactions that split large molecules into smaller ones are called ___________ reaction?
  12. 25. At certain points in the lymphatic vessels there are swellings called..
  13. 28. The process by which the fluid is filtered out of the blood by the glomerulus is called?
  14. 29. High doses of alcohol can cause the liver cells to form too many fat droplets, leading to a diseases called?
  15. 30. Where is glycogen stored at?
  16. 32. Active transport uses energy so that the particles can move through the cell membrane. Where does this energy come from?
  17. 35. What structure is made up of a group of tissues, and working together to perform a specific function?
  18. 36. A thin layer of cytoplasm around the outside of the cell is called as?
  19. 37. What does biogas largely consist of?
  20. 38. true, When all offspring have the same characteristics as the parents, this is called what kind of breeding?
  21. 39. A thread of DNA,made up of a string of genes, is called?
Down
  1. 1. What does anaerobic respiration produce in the body?
  2. 2. The water travels up the xylem vessels in vascular bundles and this flow of water is called the...
  3. 4. The process of absorbing back the substance needed by the body is called?
  4. 7. Chrosome mutation is caused by ......'s syndrome.
  5. 9. Movement of the ribcage and diaphragm results in volume and pressure changes in the thorax, leading to ……………… of the lungs
  6. 10. What will happen to our body if it lacks fibre?
  7. 11. When a disease spreads globally, it is called?
  8. 13. A permanent increase in size is one of living organisms’ characteristics known as?
  9. 15. The muscle fibres of the arterioles contract, they make the vessels narrower and restrict blood flow, what is this process called…
  10. 16. what is made of wax, is waterproofing the leaf and is secreted by cells of the upper epidermis?
  11. 18. In trees, in long vertical columns of water in very thin tubes, the attractive forces between the water molecules will result in molecules sticking together which is also known as….
  12. 21. The fusion of gamete nuclei is called?
  13. 23. Increase in temperature causing the diffusion rate to?
  14. 26. An organism that gets its energy from dead or waste organic material is called?
  15. 27. Tears contain an enzyme called...
  16. 31. What gases bind permanently with hemoglobin in red blood cells that reduce the smoker’s ability to provide oxygen to respiring cells?
  17. 33. A biological catalyst that is used to increase the rate of chemical reaction is a protein which is called as?
  18. 34. Drugs which help to prevent you from getting a disease are called...