Developmental Biology and Bio-techniques

Fertilisation in Animals: External vs Internal Practice Questions

20 free Fertilisation in Animals: External vs Internal practice questions for the Zoology, each with the correct answer and a detailed explanation. Open any question below, or take the full set as an interactive quiz.

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Questions

All Fertilisation in Animals: External vs Internal questions

20 questions
  1. Q1. Which of the following best defines external fertilisation in animals?
  2. Q2. Which environmental condition is essential for successful external fertilisation?
  3. Q3. Internal fertilisation is most commonly seen in:
  4. Q4. Which advantage is associated with internal fertilisation?
  5. Q5. Which animal group typically exhibits external fertilisation?
  6. Q6. One major disadvantage of external fertilisation is:
  7. Q7. In internal fertilisation, fertilisation usually occurs in the:
  8. Q8. Which adaptation supports internal fertilisation in terrestrial animals?
  9. Q9. Why do animals with external fertilisation usually produce a large number of eggs?
  10. Q10. Which of the following is a correct match?
  11. Q11. Internal fertilisation reduces dependence on water because:
  12. Q12. Which statement about external fertilisation is correct?
  13. Q13. Which factor most strongly favors the evolution of internal fertilisation?
  14. Q14. Which of the following animals shows internal fertilisation but lays eggs?
  15. Q15. External fertilisation is least likely to occur in:
  16. Q16. Which reproductive strategy usually involves minimal parental care?
  17. Q17. The probability of fertilisation success in external fertilisation is increased by:
  18. Q18. Which of the following is NOT a feature of internal fertilisation?
  19. Q19. Which type of fertilisation generally leads to fewer but well-developed offspring?
  20. Q20. Why is external fertilisation rare in terrestrial environments?