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Biotechnology

Biotechnology
The colour of flower is due to the presence of

xanthophylls
chlorophyll
florigen
chromoplast or anthocyanin

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Biotechnology
A very common mutualistic, symbiotic relationship between a fungus and the roots of a plant is

basidiomycete
ascomycete
mycorrhizal
lichen

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

Sphenophyta
Lycophyta
Bryophyta
Angiosperms

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Biotechnology
Archaeabacteria differ from the true bacteria as they have

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

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Biotechnology
Rice can grow in water submerged soil because the plants

All of these
can oxidize the micro-environment around their roots and thus able to absorb oxygen
have spongy roots
are adapted to enable roots to ward off toxic products

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

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

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