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BIOLOGY

Biology
A viral species is a group of viruses that

Same genetic information
Both A & B
None of these
Same ecological niche

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Biology
The litmus paper utilized in the chemical laboratories is made of :

Fern
Algae
Lichen
Fungi

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Biology
Which of the following bacterium causes crown gall disease in plants?

Pseudomonas fluorescens
None of these
Bacillus thurigiensis
Agrobacterium tumefaciens

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Biology
Fossils of blue green algae were found in lime stones with the age almost as old as

2.3 Billion years
4.3 Billion years
3.3 Billion years
1.3 Billion years

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Biology
They have also proved extremely useful in our quest of knowledge of outer space.

Yeasts
None of these
Bacteria
Fungi

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