Question 1

What does salicylic acid trigger in cells?

Accepted Answer

Change in redox potential

Answer

Production of ATP

Answer

Increase in temperature

Answer

Decrease in pH level

Question 2

What is the spatial extent of Hypersensitive Response (HR)?

Accepted Answer

Local

Answer

Systemic

Answer

Regional

Answer

Global

Question 3

What is the main purpose of Hypersensitive Response (HR)?

Accepted Answer

To restrict pathogen from spreading

Answer

To directly kill and damage pathogens

Answer

To accumulate Salicylic Acid (SA)

Answer

To synthesize antimicrobial phytoalexins

Question 4

What type of resistance does SAR provide?

Accepted Answer

Systemic

Answer

Broad-range resistance

Answer

Leads to Pathogenesis-Related (PR) gene expression

Answer

Secondary response

Question 5

What are the three main hormone signaling pathways in plants?

Accepted Answer

SA, JA, and ET

Answer

ABA, JA, and ET

Answer

Cytokinin, Auxin, and Brassinosteroid

Answer

ABA, GA, and IAA

Question 6

What is the benefit of cross-communication between hormone signaling pathways?

Accepted Answer

Large regulatory capacity

Answer

Improved nutrient uptake

Answer

Higher fruit yield

Answer

Increased plant height

Question 7

What type of signaling molecules are created from the breakdown of arachidonic acid?

Accepted Answer

Eicosanoids

Answer

Steroids

Answer

Neurotransmitters

Answer

Cytokines

Question 8

Bifunctional enzymes contain both cyclooxygenase & peroxidase activity. True or false?

Accepted Answer

True

Answer

False

Answer

Not sure

Answer

Maybe

Question 9

Which of the following is NOT a location where COX-1 is found?

Accepted Answer

Macrophages

Answer

Stomach

Answer

Kidney

Answer

Platelets

Question 10

Which enzyme is located in macrophages, leukocytes, and fibroblasts?

Accepted Answer

COX-2

Answer

Stomach

Answer

Kidney

Answer

COX-1

Question 11

What is the molecular basis for aspirin's analgesic, antipyretic, and anti-inflammatory effects?

Accepted Answer

The combination of COX-1 & (at higher doses) COX-2 inhibition

Answer

Platelets being unable to synthesize new enzyme

Answer

Inhibition of only COX-2

Answer

Low doses inhibiting COX-1 for the lifetime of the platelet

Question 12

What is the primary target of low dose aspirin?

Accepted Answer

COX-1 in platelets

Answer

COX-2 in platelets

Answer

COX-1 in endothelial cells

Answer

COX-2 in endothelial cells

Related quizzes

Related quizzes