Question 1 What is metamorphosis? Question 2 Give two example of metamorphosis? Question 3 Name few animals which do not undergo metamorphosis? Question 4 Name 2 animals which produce embryos that grow into larvae before transformation into adults? Question 5 Write few characteristics of tadpole? Question 6 Write few characteristics of frog? Question 7 Explain … [Read more...] about Metamorphosis
Reproduction in animals
Fertilisation in hen
Question 1 Explain how chicks are born.How much time does the embryo present in hen's egg take to develop into a chick? Fertilisation in hen Internal fertilisation take place in hen also. 1)After fertilisation takes place inside the body of the hen, the fertilised egg or zygote divides repeatedly to form embryo which travel down the oviduct. 2)As it travels down the … [Read more...] about Fertilisation in hen
Asexual Reproduction in animals
Question 1 What is asexual reproduction? Question 2 How does an amoeba reproduce? Question 3 How does a hydra reproduce? Question 4 Name 2 methods of asexual reproduction in animals? Question 5 Name few animals which reproduce by asexual reproduction? Question 6 Name one animal which reproduce by binary fission? Question 7 Name one animal which reproduce by … [Read more...] about Asexual Reproduction in animals
Cloning
Question 1 What name is given to an animal which is an exact copt of its parent? Question 2 Name the parent sheep of which dolly was a clone? Question 3 Name the technique which is used in producing Dolly the sheep? Question 4 Name one famous clone? Question 5 What is meant by cloning? Question 6 Name 2 animals involved in the cloning of dolly? Question 7 List … [Read more...] about Cloning
Viviparous animals and Oviparous animals
Question 1 What are viviparous animals?Give example? Question 2 What are oviparous animals.Give example? Question 3 Give few differences between viviparous and oviparous animals? Viviparous animals Those animals which give birth to young ones or baby animals are called viviparous animals. The young one develops in the uterus inside the body of the mother.When the … [Read more...] about Viviparous animals and Oviparous animals
In Vitro Fertilisation
Question 1 What type of couples are helped to have babies by in vitro fertilisation technique? Question 2 Describe the in vitro fertilisation technique of reproduction in humans? Question 3 What are test tube babies? In Vitro Fertilisation In healthy women fertilisation of egg by sperm take place in the oviduct or fallopian tube.The oviduct of some women are blocked … [Read more...] about In Vitro Fertilisation
Development of embryo
Question 1 What is fertilisation? Question 2 How does the development of an embryo takes place? Question 3 What is implantation? Question 4 How does the fertilisation of a human egg by a sperm take place to form a zygote? Question 5 Define foetus?After how many weeks of development, a human embryo is said to become a foetus? Question 6 Give a difference between … [Read more...] about Development of embryo
Sexual Reproduction in humans
Question 1 Name the organs which produce male gametes? Question 2 Name the organs which produce female gametes? Question 3 What are the male gametes in human called? Question 4 What are the female gametes in human called? Question 5 Which organ of the human body passes sperm from a man to a woman? Question 6 In which female reproductive organ does the embryo get … [Read more...] about Sexual Reproduction in humans
Fertilisation
Question 1 What is fertilisation? Question 2 What is external fertilisation?Explain with example? Question 3 What is internal fertilisation?Explain with example? Question 4 Define the term zygote? Question 5 How is zygote formed? Question 6 Why does a female frog lay hundreds of eggs? Question 7 How does external fertilisation take place in … [Read more...] about Fertilisation
Gametes
Question 1 What are gametes? Question 2 What are the male gametes in human called? Question 3 What are the female gametes in humans called? Question 4 Draw a labelled diagram of sperm. Question 5 Draw a labelled diagram of egg or ovum? Question 6 Explain the various components of sperm? Question 7 Explain the various components of egg? Gametes Sexual … [Read more...] about Gametes