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‘ns, , Ls, , 10, , Ansy Zygote is single cellular, whereas a foetus is multicellular, A zygote is formed by th, , 6, Amoeba reproduces by budding,, Ans: F,, 7, Fertilization is newessary even in asexual reproduction,, , Ans: ¥, 8. Binary fission is a method of asexual reproduction., , Ansy T,, % A zygote is formed as a result of fertilization,, , Ans: T, 10, An embryo is made up of a single cell,, , Ans: F, , Give two differences between a zygote and a foetus, «fusion 0 f the ovum and sperm, but a foetus, , is formed by repeated division of the zygote,, , Define asexual reproduction, Describe two methods of asexual reproduction in animals. ducing offspring. It is generally, AnmssAsexual reproduction is a mode of reproduction in which only one parent is involved in produ, , observed in very small sized organisms. There are different methods of asexual reproduction - arate individual This type of, Budding: In this mode, a part of the organism starts bulging out and grows until it develops into a sep, , reproduction takes place in Hydra. ‘ at reproduce, Binary Fission: It = type of asexual reproduction is when a single cell divides itself into two halves. Organisms that rep, , through binary fission are bacteria and Amoeba., , In which female reproductive organ does the embryo get embedded?, , Ans: The embryo gets embedded in the uterus., , What is metamorphosis? Give examples. in frogs (tadpole, Ans: Metamorphosis is the process of transformation of a larva into an adult. This process takes place in trog F, , metamorphoses into adult frog) and in butterflies (caterpillar metamorphoses into butterfly)., , Differentiate between internal fertilization and external fertilization. sere lead, Aus: Internal fertilization takes place inside the body of a female. A lesser number of eggs are produced, and the sperm is release, , inside of the female’s body, Internal fertilization takes place for cows, dogs, humans, etc. ’, External fertilization takes place outside of the body of a female. A large number of eggs are produced, and these are released into the, , open. External fertilization takes place for frogs, fish, etc., Complete the cross-word puzzle using the hints given below, , Across, 1, The process of the fusion of the gametes - FERTILIZATION, , 6. The type of fertilization in hen. - INTERNAL, 7. The term used for bulges observed on the sides of the body of Hydra. - BUDS, , 8. Eggs are produced here. - OVARY, , Down, 2. Sperms are produced in these male reproductive organs. - TESTES, , 3. Another term for the fertilized egg. - ZYGOTE, 4, These animals lay eggs. - OVIPAROUS, , 5. Atype-of fission in amoeba. —- BINARY, 1, , EI, , , , ee a =, <, Le, , , , Mahe, , ee, Be = | 2, , (ee, , , , ba, 6, ad ihe fa, es, , , , , , Py, , ety