PLANT STRUCTURE QUIZ

Which is not true about a photon?

It is trapped by photosynthetic unit

It is a packet of light energy

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

It donates electron to reduce carbon dioxide to glucose

TRUE ANSWER : ?
YOUR ANSWER : ?

Lysosomes are associated with

digestion

respiration

photosynthesis

storage

TRUE ANSWER : ?
YOUR ANSWER : ?

The fluid matrix of a cell is called the

endoplasmic reticulum

cytosol

nucleus

cytoskeleton

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 : ?

The element neon (Ne) has eight electrons in its outermost electron shell. How many covalent bonds will Ne readily form?

One

None

Two

Four

TRUE ANSWER : ?
YOUR ANSWER : ?

Chemical energy is supplied to eukaryotic cells by

mitochondria only

mitochondria and chloroplasts

mitochondria and ribosomes

chloroplasts and golgi complexes

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following can be found as a part of the mitochondrial matrix?

All of these

Enzymes

DNA

Ribosomes

TRUE ANSWER : ?
YOUR ANSWER : ?

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

none of these

gly-peroxisome

glyoxysome

lysosome

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following experimental results does not support Mitchell's chemiosmosis theory?

Addition of dinitrophenol to isolated mitochondria was shown to inhibit electron transport, but had no effect on ATP synthesis

An artificial proton gradient across the inner mitochondrial membrane drives ATP synthesis in the absence of electron transport

Electron transport in isolated mitochondria was shown to result in acidification of the medium

Addition of dinitrophenol to isolated mitochondria during electron transport was shown to inhibit acidification of the medium

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Methyl

Amino

Carboxyl

Phosphate

TRUE ANSWER : ?
YOUR ANSWER : ?