Fertilization
Biology ⇒ Reproduction and Development
Fertilization starts at 7 and continues till grade 12.
QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Fertilization.
How you perform is determined by your score and the time you take.
When you play a quiz, your answers are evaluated in concept instead of actual words and definitions used.
See sample questions for grade 11
A scientist observes that in a certain species, eggs are released into water and fertilized by sperm outside the body. What type of fertilization is this?
Describe the importance of timing in the process of fertilization.
Describe the process of double fertilization in flowering plants.
Describe the role of the zona pellucida in mammalian fertilization.
Describe the significance of the cortical reaction during fertilization.
Describe what happens to the egg after fertilization in mammals.
Explain the difference between internal and external fertilization, giving one example of each.
Explain the role of calcium ions during fertilization.
Explain why external fertilization is more common in aquatic animals.
Explain why fertilization is considered a random process.
Explain why only one sperm usually fertilizes an egg in mammals.
In the context of in vitro fertilization (IVF), where does fertilization take place?
Name the process by which the sperm penetrates the egg membrane during fertilization.
What is fertilization in the context of sexual reproduction?
What is polyspermy and why is it prevented during fertilization?
What is the main advantage of internal fertilization over external fertilization?
