Molecular Plant Pathology MCQs with Answers

admin3 weeks ago

0 3 1 minute read

Welcome to the Molecular Plant Pathology MCQs with Answers. In this post, we have shared Molecular Plant Pathology Online Test for different competitive exams. Find practice Molecular Plant Pathology Practice Questions with answers in Biology Tests exams here. Each question offers a chance to enhance your knowledge regarding Molecular Plant Pathology.

Molecular Plant Pathology Online Quiz

By presenting 3 options to choose from, Molecular Plant Pathology Quiz which cover a wide range of topics and levels of difficulty, making them adaptable to various learning objectives and preferences. You will have to read all the given answers of Molecular Plant Pathology Questions and Answers and click over the correct answer.

Test Name: Molecular Plant Pathology MCQ Quiz Practice
Type: Quiz Test
Total Questions: 40
Total Marks: 40
Time: 40 minutes

Note: Answer of the questions will change randomly each time you start the test. Practice each quiz test at least 3 times if you want to secure High Marks. Once you are finished, click the View Results button. If any answer looks wrong to you in Quizzes. simply click on question and comment below that question. so that we can update the answer in the quiz section.

Molecular Plant Pathology

Please fill out the form before starting Quiz.

1 / 40

What is the main role of salicylic acid in plant defense?

Inhibiting growth

Signaling for systemic acquired resistance

Promoting flowering

2 / 40

What is the primary role of reactive oxygen species (ROS) in plant defense?

Signaling and pathogen killing

Nutrient absorption

Cell growth

3 / 40

Which signaling molecule is often associated with plant responses to wounding and herbivory?

Jasmonic acid

Gibberellic acid

Abscisic acid

4 / 40

Which molecular technique is commonly used to identify specific DNA sequences in pathogens?

Western blotting

Polymerase Chain Reaction (PCR)

Mass spectrometry

5 / 40

What is the role of polygalacturonase-inhibiting proteins (PGIPs) in plants?

Enhancing photosynthesis

Inhibiting pathogen enzymes

Promoting root growth

6 / 40

What is the function of defensins in plant defense?

Carbohydrate storage

Antimicrobial peptides

Growth hormones

7 / 40

Which plant hormone is primarily involved in the closure of stomata during stress?

Cytokinin

Auxin

Abscisic acid

8 / 40

Which protein family is involved in the recognition of pathogen effectors inside plant cells?

Zinc-finger proteins

Heat-shock proteins

Nucleotide-binding site leucine-rich repeat (NBS-LRR) proteins

9 / 40

Which pathogen is responsible for causing Dutch elm disease?

Verticillium albo-atrum

Ustilago maydis

Ophiostoma ulmi

10 / 40

What is the function of a hypersensitive response in plants?

Localized cell death to contain pathogens

Increased growth rate

Enhanced photosynthesis

11 / 40

What is the primary function of phytoalexins in plants?

Antimicrobial compounds produced in response to infection

Hormones regulating growth

Enzymes breaking down starch

12 / 40

Which pathogen is responsible for causing citrus greening disease?

Candidatus Liberibacter asiaticus

Xanthomonas citri

Erwinia amylovora

13 / 40

Which bacterium causes crown gall disease in plants?

Xanthomonas oryzae

Clavibacter michiganensis

Agrobacterium tumefaciens

14 / 40

Which molecule is often recognized by plant immune receptors to trigger defense responses?

Hormones

Secondary metabolites

Pathogen-associated molecular patterns (PAMPs)

15 / 40

Which type of pathogen causes rust diseases in plants?

Bacteria

Viruses

Fungi

16 / 40

Which pathogen is known for causing rice blast disease?

Fusarium oxysporum

Verticillium dahliae

Magnaporthe oryzae

17 / 40

What is the function of ribonucleases in plant defense?

Synthesizing DNA

Breaking down proteins

Degrading RNA

18 / 40

Which pathogen causes southern corn leaf blight?

Xanthomonas oryzae

Cochliobolus heterostrophus

Puccinia graminis

19 / 40

Which pathogen causes downy mildew in plants?

Sclerotinia sclerotiorum

Pythium ultimum

Plasmopara viticola

20 / 40

Which plant hormone is commonly associated with disease resistance?

Abscisic acid

Gibberellic acid

Salicylic acid

21 / 40

What is the role of glucanase enzymes in plant defense?

Degrading fungal cell walls

Synthesizing starch

Breaking down proteins

22 / 40

Which signaling molecule is crucial for plant systemic acquired resistance (SAR)?

Salicylic acid

Ethylene

Gibberellin

23 / 40

Which type of protein is commonly involved in plant disease resistance?

G proteins

F proteins

R proteins

24 / 40

What is the function of chitinase enzymes in plant defense?

Degrading fungal cell walls

Synthesizing proteins

Breaking down carbohydrates

25 / 40

What is the primary cause of bacterial wilt in tomatoes?

Ralstonia solanacearum

Verticillium dahliae

Erwinia carotovora

26 / 40

What is the main function of systemic acquired resistance (SAR) in plants?

Promoting flowering

Providing long-lasting defense

Enhancing photosynthesis

27 / 40

Which pathogen is known for causing late blight in potatoes?

Phytophthora infestans

Pseudomonas syringae

Fusarium graminearum

28 / 40

What is the function of RNA interference (RNAi) in plant defense?

Enhancing protein synthesis

Inhibiting cell division

Silencing specific genes

29 / 40

What is the role of the NPR1 gene in plant immunity?

Controlling root growth

Enhancing photosynthesis

Regulating systemic acquired resistance

30 / 40

What is the role of the plant hormone ethylene in plant-pathogen interactions?

Inhibiting seed germination

Promoting root growth

Regulating stress responses

31 / 40

What is the primary mode of action for the CRISPR-Cas9 system in plant pathology research?

Protein synthesis

Carbohydrate metabolism

Gene editing

32 / 40

Which pathogen is known for causing powdery mildew in plants?

Erysiphe spp.

Xanthomonas campestris

Pseudomonas syringae

33 / 40

What is the primary function of the plant hormone auxin?

Closing stomata

Inducing flowering

Regulating cell elongation

34 / 40

Which pathogen causes black rot in crucifers?

Botrytis cinerea

Xanthomonas campestris

Alternaria brassicae

35 / 40

What is the main role of the avr (avirulence) genes in pathogens?

Facilitating nutrient uptake

Synthesizing toxins

Determining host specificity

36 / 40

Which pathogen is responsible for causing fire blight in apple trees?

Fusarium oxysporum

Erwinia amylovora

Phytophthora infestans

37 / 40

What is the primary role of effector proteins in plant pathogens?

Suppressing host immune responses

Enhancing nutrient uptake

Facilitating cell division

38 / 40

What is the role of small interfering RNAs (siRNAs) in plant defense?

Enhancing growth

Silencing viral genes

Regulating photosynthesis

39 / 40

Which enzyme breaks down the plant cell wall component pectin?

Cellulase

Pectinase

Amylase

40 / 40

What is the role of plant lectins in defense against pathogens?

Promoting cell division

Inhibiting protein synthesis

Binding to carbohydrates on pathogen surfaces

Download Certificate of Quiz Molecular Plant Pathology

On the end of Quiz, you can download the certificate of the quiz if you got more than 70% marks. Add a certificate to your job application or social profile (like LinkedIn) and get more job offers.

If you are interested to enhance your knowledge regarding English, Physics, Chemistry, and Computer please click on the link of each category, you will be redirected to dedicated website for each category.

admin3 weeks ago

0 3 1 minute read