Biology

Microbes and Plant Diseases

1,145 Questions

Microbes and plant diseases examine the role of fungi, bacteria, and viruses in causing infections in plants and humans. Topics cover symbiotic associations like mycorrhiza, fungal structures, and specific agricultural pathogens. Practice these biology questions to master microbiology concepts for upcoming competitive examinations.

Fungal associationsPlant pathogensMicrobial structuresBacterial infections

Microbes and Plant Diseases Questions

Multiple choice

Which type of microorganism is responsible for causing athlete's foot?

  1. Bacteria

  2. Viruses

  3. Fungi

  4. Protists
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Athlete's foot is caused by fungi, specifically dermatophytes.

Multiple choice

Which type of microorganism is responsible for causing ringworm?

  1. Bacteria

  2. Viruses

  3. Fungi

  4. Protists
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Ringworm is caused by fungi, specifically dermatophytes.

Multiple choice

What is the most common skin disease in sheep?

  1. Lice

  2. Mange

  3. Ringworm

  4. Foot rot
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Lice are a common skin disease in sheep that can cause itching, irritation, and weight loss.

Multiple choice

What is the most common skin disease in goats?

  1. Mange

  2. Lice

  3. Ringworm

  4. Foot rot
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Mange is a common skin disease in goats that is caused by a mite.

Multiple choice

What is the scientific name of the fungus that causes rice blast disease?

  1. Magnaporthe oryzae

  2. Rhizoctonia solani

  3. Fusarium graminearum

  4. Pyricularia oryzae
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Pyricularia oryzae is the scientific name of the fungus that causes rice blast disease.

Multiple choice

Which of the following is a common disease of rice?

  1. Rice blast

  2. Rice sheath blight

  3. Rice brown spot

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Rice blast, rice sheath blight, and rice brown spot are all common diseases of rice.

Multiple choice

What is the scientific name of the bacterium that causes rice bacterial blight?

  1. Xanthomonas oryzae pv. oryzae

  2. Pseudomonas syringae pv. oryzae

  3. Burkholderia glumae

  4. Acidovorax avenae subsp. avenae
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Xanthomonas oryzae pv. oryzae is the scientific name of the bacterium that causes rice bacterial blight.

Multiple choice

What is the scientific name of the fungus that causes wheat stem rust?

  1. Puccinia graminis f. sp. tritici

  2. Puccinia recondita f. sp. tritici

  3. Puccinia striiformis f. sp. tritici

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Puccinia graminis f. sp. tritici, Puccinia recondita f. sp. tritici, and Puccinia striiformis f. sp. tritici are all fungi that cause wheat stem rust.

Multiple choice

Which of the following is a common disease of wheat?

  1. Wheat stem rust

  2. Wheat leaf rust

  3. Wheat stripe rust

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Wheat stem rust, wheat leaf rust, and wheat stripe rust are all common diseases of wheat.

Multiple choice

What is the scientific name of the bacterium that causes wheat bacterial blight?

  1. Xanthomonas campestris pv. tritici

  2. Pseudomonas syringae pv. tritici

  3. Burkholderia glumae

  4. Acidovorax avenae subsp. avenae
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Xanthomonas campestris pv. tritici is the scientific name of the bacterium that causes wheat bacterial blight.

Multiple choice

What is the scientific name of the fungus that causes corn smut?

  1. Ustilago maydis

  2. Puccinia sorghi

  3. Colletotrichum graminicola

  4. Fusarium verticillioides
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Ustilago maydis is the scientific name of the fungus that causes corn smut.

Multiple choice

Which of the following is a common disease of corn?

  1. Corn smut

  2. Corn leaf blight

  3. Corn stalk rot

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Corn smut, corn leaf blight, and corn stalk rot are all common diseases of corn.

Multiple choice

What is the scientific name of the bacterium that causes corn bacterial blight?

  1. Xanthomonas campestris pv. zeae

  2. Pseudomonas syringae pv. zeae

  3. Burkholderia glumae

  4. Acidovorax avenae subsp. avenae
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Xanthomonas campestris pv. zeae is the scientific name of the bacterium that causes corn bacterial blight.

Multiple choice

Which of the following is a common pest of barley?

  1. Barley stem sawfly

  2. Barley aphid

  3. Barley stripe rust

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Barley stem sawfly, barley aphid, and barley stripe rust are all common pests of barley.

Multiple choice

What is the scientific name of the fungus that causes barley stem rust?

  1. Puccinia graminis f. sp. hordei

  2. Puccinia recondita f. sp. hordei

  3. Puccinia striiformis f. sp. hordei

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Puccinia graminis f. sp. hordei, Puccinia recondita f. sp. hordei, and Puccinia striiformis f. sp. hordei are all fungi that cause barley stem rust.