Biology MCQs

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Question 262hard
Fossils of blue green algae were found in lime stones with the age almost as old as
Question 263medium
They have also proved extremely useful in our quest of knowledge of outer space.
Question 264medium
Chemicals like ________ may be added to different foods or fruits to prevent or retard the growth microorganisms.
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Question 265easy
Eutrophication is the result of
Question 266hard
Mycology is the branch of botany in which we study about
Question 267medium
Mycology is the branch of botany in which we study about
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Question 268easy
Phycology is the branch of botany in which we study about
Question 269easy
The DNA bacterium consists of ring-like pieces known as the
Question 270easy
It is commonly found in the bottom tidal pools?