Question 1

Choose the letter of the best match from the following:
-A pathogenic organism's gene that responds to the product of a plant resistance gene.

Accepted Answer

A) avr 
B) HR 
C) PR 
D) R 
E) SAR 
A) avr 
B) HR 
C) PR 
D) R 
E) SAR

Question 2

Which of the following pairings is an example of coevolution of an organism's metabolism to resist a plant's evolved chemical defense?

Accepted Answer

A) the butterfly Helioconius sara and the glycosides produced by the passion flower vine 
B) the tobacco hornworm and the tannins in tobacco plants 
C) ants and acacia trees 
D) humans and the glycosides in cassava 
E) parasitoid wasps and the plants they eat 
A) the butterfly Helioconius sara and the glycosides produced by the passion flower vine 
B) the tobacco hornworm and the tannins in tobacco plants 
C) ants and acacia trees 
D) humans and the glycosides in cassava 
E) parasitoid wasps and the plants they eat

Question 3

The steps in the pathogen-specific response do not include

Accepted Answer

A) responding to the pathogen. 
B) development of antibodies. 
C) recognizing the pathogen. 
D) triggering the hypersensitive response. 
E) the pathogen releases distinctive proteins. 
A) responding to the pathogen. 
B) development of antibodies. 
C) recognizing the pathogen. 
D) triggering the hypersensitive response. 
E) the pathogen releases distinctive proteins.

Question 4

Which category of plant second metabolites includes stimulates like caffeine,nicotine,and cocaine?

Accepted Answer

A) tannins 
B) alkaloids 
C) phenolics 
D) cyanogenic glycosides 
E) terpenes 
A) tannins 
B) alkaloids 
C) phenolics 
D) cyanogenic glycosides 
E) terpenes

Question 5

Which of the following plant secondary metabolites is used as an antimalarial drug?

Accepted Answer

A) morphine 
B) taxol 
C) genistein 
D) quinine 
E) manihotoxin 
A) morphine 
B) taxol 
C) genistein 
D) quinine 
E) manihotoxin

Exam 40: Plant Defense Responses

Choose the letter of the best match from the following: -A pathogenic organism's gene that responds to the product of a plant resistance gene.

Which of the following pairings is an example of coevolution of an organism's metabolism to resist a plant's evolved chemical defense?

The steps in the pathogen-specific response do not include

Which category of plant second metabolites includes stimulates like caffeine,nicotine,and cocaine?

Which of the following plant secondary metabolites is used as an antimalarial drug?

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