Q. 26 Name the seasons for cultivating crops in India. (a) Kharif crop (b) Rabi crop Q. 27 Identify the following figures - Q. 28 What are four major groups of microorganisms ? Q. 29 Write the full form of PVC & PET. Q. 30 Write any two characteristics of synthetic fibres. Q. 31 (a) List any four physical properties of metals. (b) Write any two uses of non-metals. Q. 32 (a) Write any four constituents of petroleum. (b) Give three examples of fossil fuels.
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26. Kharif crop - Kharif crop are sown in June and end in October.
Rabi crop - Rabi crops are sown in winter from October to December
28. Bacteria, Archaea, Fungi, and Protists.
29. The full form of PVC is Poly Vinyl Chloride.
The full form of PET is Polyethylene Terephthalate.
30.i) Synthetic fibres are cheaper than natural fibre.
ii)Synthetic fibres are stronger than natural fibre.
31. a) good conductors of heat.
high density.
malleable.
ductile.
b) Oxygen is used for breathing.
Chlorine is used for purifying water.
32 a) LPG
Lubricating oil
Paraffin wax
Bitumen
b) Coal, oil, and natural gas are examples of fossil fuels
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