PLANT STRUCTURE QUIZ

Cellular metabolism is an example of

equilibrium metabolism

a series of reactions that defy the second law of thermodynamics

steady-state metabolism

a series of reactions occurring under standard conditions

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In plant cells, which of the following is not a function of the large central vacuoles of plant cells?

Storage of food

Waste storage water content

Support

Contractile regulation of

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The fluid matrix of a cell is called the

nucleus

cytosol

endoplasmic reticulum

cytoskeleton

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Which of the following elements is likely to form the least polar covalent bond with hydrogen?

Oxygen

Nitrogen

Carbon

Phosphorus

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Which molecule serves as a carrier of fatty acids in mitochondria?

Acetyl-CoA

Carnitine

Dolichol

Malonyl-CoA

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Which of the following observations is not used as evidence to support the concept of endosymbiotic origin of chloroplasts and mitochondria?

Both can live and function independently of the cell

Both strongly resemble prokaryotes, especially in size

Both have their own DNA

Both have their own ribosomes

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Which part of a plant contains the male sex cell?

Pollen

Ova

Style

Stamen

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The cellular organelle associated with secretion is the

golgi complex

lysosome

ribosome

mitochondrion

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Which is not true about a photon?

The shorter the wavelength, the greater the energy of the photons

It is trapped by photosynthetic unit

It donates electron to reduce carbon dioxide to glucose

It is a packet of light energy

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Specialized type of peroxisome and the site of glyoxylate pathway in certain plants is known as

gly-peroxisome

lysosome

glyoxysome

none of these

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