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Biology

Biology
Lederberg and Tatum demonstrated conjugation in the bacteria

1946
1947
1945
1944

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Biology
The unique feature of bryophytes compared to other green plants groups is that

They produce spores
They lack vascular tissue
Their sporophytes is attached to gametophyte
They lack roots

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Biology
Which of the following gas is necessary for the process of photosynthesis?

N2
O2
CO
CO2

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Biology
Which vitamin is also act as coenzymes

B12
E
K
None of these

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Biology
The Mode of nutrition in which particulate food is devoured is

Holozoic
Parasitic
Saprophytic
Holophytic

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Biology
Fruitfly has

6 chromosomes
4 chromosomes
8 chromosomes
10 chromosomes

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