Section A
1.    A
2.   D
3.   D
4.   B
5.   A
6.   D
7.   C
8.   D
9.   B
10.   D

Section B
a)   Observation : Rice in plate X is covered with dark patches, rice in plate Y has no dark patches.
Inference : Warm and damp condition helps mould growth on rice in plate X.
b)   Rice in plate X becomes slimy.
c)    i.  Different conditions ( warm and damp or cold and dry )
ii. The growth of mould or not.
iii. Type of rice, length of observation
d) Mould cannot grow under dry conditions

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