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Biotechnology

Biotechnology
The volume of O2 liberated in photosynthesis has which of the following ratio to CO2?

2:1
1:2
1:1
3:1

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Biotechnology
Which group of land plants is most restricted to moist environments?

Lycophyta
Angiosperms
Sphenophyta
Bryophyta

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Biotechnology
Triticale, the first man made cereal is an example of

artificial evolution
artificial autopolyploidy
artificial allopolyploidy
man made crossing

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Biotechnology
Archaeabacteria differ from the true bacteria as they have

ribosomal RNA structure
growth not inhibited by antibiotics
different cell membrane lipids
cell wall composition

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Biotechnology
What single feature is probably most responsible for the success of angiosperms?

Seeds
Flowers
Fruit
Broad leaves

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Biotechnology
Auxanometer is used for measuring

growth activity
photosynthetic activity
osmotic pressure
respiratory activity

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