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Biotechnology

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

Broad leaves
Fruit
Seeds
Flowers

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

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

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Biotechnology
Lichen involves two organisms as

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

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Biotechnology
The proteins that forms the walls of the microtubules are

tubulin
actin
pectin
hydroxyproline

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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
The major source of sugar in the world is

sugarcane
watermelon
beetroot
dates

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