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Biotechnology

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

ecology
phytogeography
photosociology
ecosystem

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

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

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Biotechnology
In the bundle sheath of C4 plant __________ is/ are less than mesophyll.

PSII
PSI and PSII
PSI
PSI or PSII

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Biotechnology
Which group of plants has the greatest diversity (i.e. the most species) living today?

Bryophyta
Gymnosperms
Lycophyta
Angiosperms

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Biotechnology
Lichen involves two organisms as

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

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Biotechnology
The colour of flower is due to the presence of

chromoplast or anthocyanin
florigen
xanthophylls
chlorophyll

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