Question

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Answer 1

Answer:

I) rice ,maize

ii)Ascomycota and Basidiomycota.

iii)Rayon- Rayon is synthesized from wood pulp. Rayon resembles silk, so it is also known as artificial silk.

iv)gold and silver are used to make jewellery because the metals used in jewellery are always be chosen on the basis of its reactivity. ... They are highly lustrous metals which are resistant to corrosion. They are highly malleable and ductile so can be transformed into any shape or design

v)Pickles have some kind of acids which generated naturally, due to which pickle's taste is sour. If it is stored in a metallic container,naturally generated acids will react with the metal & thus the compounds of metal can cause harm to health. So pickles should not be stored in metal containers.

vi)we need to blend one synthetic fibre and the natural fibre to improve the quality of one fibre that lacks in the other. ... terrycot =by blending terrylene and cotton fibre

vii)In general, the nitrogen cycle has five steps:

Nitrification (NH3 to NO3-) Assimilation (Incorporation of NH3 and NO3- into biological tissues) Ammonification (organic nitrogen compounds to NH3) Denitrification(NO3- to N2)

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Answer 2

5. Rice, Maize

6. yeasts and molds

7. synthetic fiber

8. Platinum, gold and silver are used to make jewellery because the metals used in jewellery are always be chosen on the basis of its reactivity. ... They are highly lustrous metals which are resistant to corrosion. They are highly malleable and ductile so can be transformed into any shape or design.

9. Pickles have some kind of acids which generated naturally, due to which pickle's taste is sour. If it is stored in a metallic container,naturally generated acids will react with the metal & thus the compounds of metal can cause harm to health. So pickles should not be stored in metal containers.

10. Blended fibre means a mix of different fibres as it name denotes. These blended fabrics have combined properties of each component fibre. Examples: Polycot is a mixture of polyester and cotton, Polywool is a mixture polyester and wool

11. Nitrogen fixation (N2 to NH3/ NH4+ or NO3-)

Nitrification (NH3 to NO3-)

Assimilation (Incorporation of NH3 and NO3- into biological tissues)

Ammonification (organic nitrogen compounds to NH3)

Denitrification(NO3- to N2)

12.