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Biology

Biology
Closely stacked flattened sacs (plants only)

None of these
Vacuoles
Golgi apparatus
Lysosomes

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

Pseudomonas fluorescens
None of these
Agrobacterium tumefaciens
Bacillus thurigiensis

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Biology
Which of the following groups is present in animal cells ?

Mitochondria, Cell membrane, Cell wall, Cytoplasm
Vacuole, Cell membrane, Nucleus, Mitochondria
Chloroplasts, Cytoplasm, Vacuole, Nucleus
Nucleus, Cell membrane, Mitochondria, Cytoplasm

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Biology
Oxyreductases, transferases, hydrolases, lyases, isomerases and ligases are all classes of

enzymes
proteins
vitamins
hormones

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Biology
The xylem in plants are responsible for:

Transport of amino acids
Transport of oxygen
Transport of water
Transport of food

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Biology
What is full form of BOD?

Biological Oxygen Demand
Biological Oxygen Deficit
Biological Oxygen Distribution
Biological Oxygen Difference

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