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Biology

Biology
In plants which one of the following tissues is dead ?

Phloem
Parenchyma
Sclerenchyma
Collenchyma

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Biology
Important plant diseases like fire-blite and crownall are caused by

Bacteria
Viruses
Protozoans
Fungi

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Biology
Anaemia is due to deficiency of

Fe
Ca
P
Mg

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Biology
The Vitamin required for the synthesis of nucleic acid is

Cyanocobalamine
Folic acid
Tocoferorl
Riboflavin

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Biology
In N2- fixation process, nitrite is converted to nitrate by

Azotobacter
Nitrobacter
Nitosomonas
Azospirillum

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Biology
Octopus belongs to the phylum

Chordata
Cnidaria
Mollusca
Echinodermata

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MORE MCQ ON Biology

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