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Nutrition In Organisms Ar
- 11. Investigation 6.1 To observe Mucor
- 12. Why is it necessary to leave the moist bread uncovered for 30 minutes ? Ans: Because the spore of Mucor are carried by air current. They can drop onto the bread and then germinate.
- 13. What are the thread-like structures growing on the surface of the bread ? Ans: The thread-like structures are used for feeding. They are called hyphae which can produce enzymes for digesting the organic food.
- 20. Investigation 6.2 To observe a Tapeworm
- 21. Does the tapeworm have a mouth ? Ans: The tapeworm does not have a mouth.
- 22. Does the tapeworm have a digestive tract ? Why ? Ans: No. It is not necessary for a tapeworm to digest food because it obtains food directly from its host’s ileum by diffusion.
- 23. ~ END ~