The Two Ends of an Iron Rod Are Maintained at Different

question 41

Multiple Choice

The two ends of an iron rod are maintained at different temperatures.The amount of heat that flows through the rod by conduction during a given time interval does not depend upon

• A)the length of the iron rod.
• B)the thermal conductivity of iron.
• C)the temperature difference between the ends of the rod.
• D)the mass of the iron rod.
• E)the duration of the time interval.

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Definitions:

Taproot

The main central root from which subsidiary rootlets spring, typically seen in dicotyledonous plants.

Fibrous Root

A type of root system found in plants that features many thin roots spreading out from the base with no single dominant root.

Symplast

A continuum consisting of the cytoplasm of many plant cells, connected from one cell to the next by plasmodesmata. Compare with apoplast.

Endodermis

The innermost layer of cells in the cortex of plants, regulating water and nutrient uptake.