Basic General Knowledge
Hybridization is

a process of tilling the land
decayed vegetable matter
downward movement of water through soil
cross-fertilization between two varieties

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Basic General Knowledge
Yuri Gagarin was

None of these
a Russian cosmonaut & became the first man to travel in space.
both (a) and (b)
the first person to fly at great height of about 340 km from the earth

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