PLANT STRUCTURE QUIZ

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

Support

Storage of food

Waste storage water content

Contractile regulation of

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Both have their own ribosomes

Both have their own DNA

Both strongly resemble prokaryotes, especially in size

Both can live and function independently of the cell

TRUE ANSWER : ?
YOUR ANSWER : ?

If the ends of the following polysaccharide are pulled, which one would stretch the most?

Starch

Cellulose

None of these

Glycogen

TRUE ANSWER : ?
YOUR ANSWER : ?

If complex III were incorporated into an artificial lipid vesicle in order to demonstrate it's proton translocating ability in isolation, which of the following would be an appropriate electron donor?

Cytochrome c red

Cytochrome c peroxidase

Cytochrome c oxidase

Ubiquinol (UQH2)

TRUE ANSWER : ?
YOUR ANSWER : ?

Which is not true about a photon?

It is trapped by photosynthetic unit

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

It donates electron to reduce carbon dioxide to glucose

It is a packet of light energy

TRUE ANSWER : ?
YOUR ANSWER : ?

"The universe tends towards maximum disorder" is stated by

None of these

third law of thermodynamics

first law of thermodynamics

second law of thermodynamics

TRUE ANSWER : ?
YOUR ANSWER : ?

Cellular metabolism is an example of

a series of reactions that defy the second law of thermodynamics

a series of reactions occurring under standard conditions

steady-state metabolism

equilibrium metabolism

TRUE ANSWER : ?
YOUR ANSWER : ?

The cellular organelle associated with secretion is the

mitochondrion

lysosome

golgi complex

ribosome

TRUE ANSWER : ?
YOUR ANSWER : ?

A cell without cell wall is called

protoplast

none of these

apoplast

symplast

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Oxygen

Phosphorus

Carbon

Nitrogen

TRUE ANSWER : ?
YOUR ANSWER : ?