DTM University Entrance Test (Uzbekistan) · Natural Sciences

Biology

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

Practise Biology now

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

All 36 questions

  1. Which organelle is the site of photosynthesis in plant cells?
  2. Which organelle is the main site of ATP production in a cell?
  3. In DNA, which base pairs with adenine?
  4. How many chromosomes are in a normal human body cell?
  5. Two heterozygous parents (Aa × Aa) have children. What is the ratio of dominant to recessive phenotype?
  6. Which enzyme unwinds the DNA double helix during replication?
  7. Which component of the blood carries oxygen using haemoglobin?
  8. Which organ produces insulin?
  9. Which are the products of photosynthesis?
  10. In which process do ribosomes build a protein from the sequence of an mRNA molecule?
  11. What is the result of mitosis in a diploid cell?
  12. What is the result of meiosis in a diploid cell?
  13. To which kingdom do mushrooms belong?
  14. In a cross AaBb × AaBb with independent genes, what fraction of offspring is aabb?
  15. In a population in Hardy–Weinberg equilibrium, 4 percent show a recessive trait (q² = 0.04). What proportion are carriers?
  16. A DNA template strand reads 3'-TAC CGA-5'. What mRNA is produced?
  17. In which part of the cell does glycolysis take place?
  18. A lack of which vitamin causes scurvy?
  19. Which chamber of the heart pumps oxygenated blood into the aorta?
  20. In a food chain 10 000 kJ of energy is in the producers. Assuming 10 percent transfer between levels, how much reaches secondary consumers?
  21. Which part of a flower develops into the fruit?
  22. What is the green pigment in leaves called?
  23. How many bones are there in the adult human body?
  24. How many permanent teeth does an adult usually have?
  25. Which organ filters blood and makes urine?
  26. Which gas do humans breathe out in larger amounts than they breathe in?
  27. Which blood cells help to clot the blood?
  28. Which part of the eye controls how much light enters?
  29. Which animals have a backbone?
  30. To which group of animals do frogs belong?
  31. How many legs does an insect have?
  32. How many legs does a spider have?
  33. What is the process by which plants lose water vapour through their leaves?
  34. Which process transfers pollen from the anther to the stigma?
  35. What is the correct word equation for photosynthesis?
  36. What is the correct word equation for aerobic respiration?

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