PLANT STRUCTURE QUIZ

Lysosomes are associated with

storage

digestion

photosynthesis

respiration

TRUE ANSWER : ?
YOUR ANSWER : ?

Chemical energy is supplied to eukaryotic cells by

mitochondria only

chloroplasts and golgi complexes

mitochondria and chloroplasts

mitochondria and ribosomes

TRUE ANSWER : ?
YOUR ANSWER : ?

The cell membrane is made up of

lipoproteins

cellulose

phospholipids

phosphoproteins

TRUE ANSWER : ?
YOUR ANSWER : ?

Which part of a plant contains the male sex cell?

Stamen

Style

Ova

Pollen

TRUE ANSWER : ?
YOUR ANSWER : ?

Any system that is not at equilibrium

is rushing toward equilibrium at a very rapid rate

is thermodynamically unstable, although it may be kinetically stable

is kinetically unstable, although it may be thermodynamically stable

requires an enzyme to reach equilibrium

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 can live and function independently of the cell

Both strongly resemble prokaryotes, especially in size

TRUE ANSWER : ?
YOUR ANSWER : ?

The mitochondria were known in the nineteenth century to be osmotically active on the basis of evidence that

the mitochondrial matrix is hypertonic to the cellular cytoplasm

the mitochondrial matrix is hypotonic to the cellular cytoplasm

mitochondria are surrounded by a semi permeable membrane

mitochondria were derived from a symbiotic bacterium

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following functional groups would make a carbon-based compound the least polar?

Phosphate

Amino

Methyl

Carboxyl

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following statements about the outer mitochondrial membrane is not true?

The outer membrane is highly permeable to substances of small molecular weight

The outer membrane is impermeable to hydrogen ions

The outer membrane is about 50% lipid and 50% protein by weight

The outer membrane contains porins

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is not an electron carrier class in the electron transport chain?

Iron - sulfur proteins

Flavoproteins

Cytochrome c oxidase

Cytochromes

TRUE ANSWER : ?
YOUR ANSWER : ?