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Biotechnology

Biotechnology
The study of interaction between living organism and environment is called

ecosystem
phytogeography
photosociology
ecology

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Biotechnology
Mycorrhizae are symbiotic associations between

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

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Biotechnology
Auxanometer is used for measuring

photosynthetic activity
osmotic pressure
growth activity
respiratory activity

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Biotechnology
Rice can grow in water submerged soil because the plants

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

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

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

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

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

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