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Biotechnology

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
Lichen involves two organisms as

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

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

phytogeography
ecology
photosociology
ecosystem

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

Seeds
Flowers
Fruit
Broad leaves

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Biotechnology
Triticale is derived by crossing

rye (secale) and wheat
wheat and rice
wheat and tapioca
rye and rice

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Biotechnology
Gypsum is beneficial for

alkaline soil
saline soil
phosphorus enriched soil
water logged soil

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