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Biotechnology

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

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

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Biotechnology
Rice can grow in water submerged soil because the plants

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

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

Flowers
Seeds
Fruit
Broad leaves

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Biotechnology
Lichen involves two organisms as

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

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Biotechnology
The colour of flower is due to the presence of

xanthophylls
chlorophyll
florigen
chromoplast or anthocyanin

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Biotechnology
What are the names of the two genders of haploid yeast cells?

Y(a)and Y(b)
A and Alpha
None of these
M and F

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