Biology
Branch of biology which deals with the study processing and preservation of food is called

Food technology
Food preservation
Food biotechnology
None of these

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Biology
Plants are killed in winter by frost

because respiration ceases at such low temperature
because no photosynthesis takes place at such low temperature
because of desiccation and mechanical damage to the tissues
because there is no transpiration

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Biology
Which is not a function of the cell membrane?

Helps substances pass from the cytoplasm into the nucleus
Helps control the movement of materials into and out of the cell
Allows the cell to change shape under pressure
Keeps materials within the cell separated from the environment outside the cell

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