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Biology

Biology
Organisms which synthesise their own food are called

Heterotrophs
Saprotrophs
Auxotrophs
Autotrophs

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Biology
Most common disease of poultry in India is

ick fever
coryza
fowl pox
ranikhet

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Biology
The DNA of the bacterium is found present in a distinct nuclear region called

Centrosome
Nucleus
Nucleoid
Nucleolus

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Biology
Under the ideal environmental conditions bacterial cells divided at the rate of division per twenty

Second
Hours
Days
Minutes

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Biology
out of proteins, lipids and carbohydrates present in a cell membrane, what is true?

Carbohydrates are maximum
Carbohydrates are minimum
All three are in equal proportion
Lipids are maximum

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Biology
Which of the following is true of enzymes?

Neither A nor B
Both A & B
Enzymes lowers the activation energy for the chemical reaction
Enzymes speed up the rate of a chemical reaction

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