NEET Biology ยท Hard

Human Reproduction: Fertilisation events MCQ

Solve this quality-checked NEET multiple-choice question, then review the correct answer and explanation.

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Fertilisation eventsHardQuestion 9179

Question

Blocking of polyspermy is important because it prevents:

  1. A
    Entry of more than one sperm into the ovum
    Correct
  2. B
    Ovulation
  3. C
    Uterine contractions
  4. D
    Lactation

Correct answer

Entry of more than one sperm into the ovum

Explanation

Mechanisms following sperm entry prevent polyspermy and maintain normal zygote chromosome number.