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Differentiate between internal fertilization and external fertilization
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Internal fertilization is the type of fertilization that takes place inside the body. In this type of fertilization very few number of eggs are formed. For example- crocodile, bird, mammals.
External fertilization is the type of fertilization that takes place out of the body. In this type of fertilization, the yield of egg is high. For example- fish and frog.
External fertilization is the type of fertilization that takes place out of the body. In this type of fertilization, the yield of egg is high. For example- fish and frog.
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Question 3
Choose the most appropriate answer.(a) Internal fertilization occurs
(i) in female body.
(ii) outside female body.
(iii) in male body.
(iv) outside male body.
(b) A tadpole develops into an adult frog by the process of
(i) fertilization (ii) metamorphosis (iii) embedding (iv) budding
(c) The number of nuclei present in a zygote is
(i) none (ii) one (iii) two (iv) four
Question 4
Indicate whether the following statements are true (T) or false (F).(a) Oviparous animals give birth to young ones. ( )
(b) Each sperm is a single cell. ( )
(c) External fertilization takes place in frog. ( )
(d) A new human individual develops from a cell called gamete. ( )
(e) Egg laid after fertilization is made up of a single cell. ( )
(f) Amoeba reproduces by budding. ( )
(g) Fertilization is necessary even in asexual reproduction. ( )
(h) Binary fission is a method of asexual reproduction. ( )
(i) A zygote is formed as a result of fertilization. ( )
(j) An embryo is made up of a single cell. ( )
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Question Text | Differentiate between internal fertilization and external fertilization |
Answer Type | Text solution:1 |
Upvotes | 152 |