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Sexual Reproduction in Animals

Biology ⇒ Reproduction and Development

Sexual Reproduction in Animals 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 Sexual Reproduction in Animals. 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 7
Context: A scientist observes that in a certain species of frog, eggs and sperm are released into the water at the same time. What type of fertilization is this?
Describe the difference between internal and external fertilization.
Describe the process of fertilization in animals.
Describe the role of the sperm in sexual reproduction.
Explain why aquatic animals often use external fertilization.
Explain why genetic variation is important in animals.
Explain why sexual reproduction is important for the survival of a species.
Context: A scientist observes that in a certain species of frog, eggs and sperm are released into the water at the same time. What type of fertilization is this?
In most animals, where does internal fertilization occur? (1) Outside the body (2) Inside the body (3) In water (4) In air
Which of the following animals give birth to live young? (1) Frog (2) Cow (3) Fish (4) Turtle
Which of the following animals has external fertilization? (1) Human (2) Fish (3) Dog (4) Elephant
Which of the following animals reproduce sexually? (1) Frog (2) Amoeba (3) Hydra (4) Bacteria
Fill in the blank: Animals that give birth to live young are called ________.
Fill in the blank: Animals that lay eggs are called ________.
Fill in the blank: The female gamete in animals is called ________.
Fill in the blank: The first cell formed after fertilization is called the ________.
True or False: All animals reproduce sexually.
True or False: All fish lay eggs.
True or False: All mammals are viviparous.
True or False: Birds lay eggs after internal fertilization.