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Biotechnology

Biotechnology
Lichen involves two organisms as

virus and bacteria
algae and fungi
fungi and mosses
algae and bacteria

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

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

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Biotechnology
Mycorrhizae are symbiotic associations between

algae and fungi
root and fungi
bacteria and fungi
bacteria and root

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

Lycophyta
Bryophyta
Angiosperms
Sphenophyta

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

Seeds
Broad leaves
Fruit
Flowers

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Biotechnology
Rice can grow in water submerged soil because the plants

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

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