Are you looking for Plant Diseases caused by Fungi and Nematodes MCQs and Answers for medical entrance examinations? If yes, these are some most important multiple choice questions and answers on NCERT Class-12 Biology, Chapter-9 (Strategies for Enhancement in Food Production).
Here we composed these Plant Diseases caused by Fungi and Nematodes MCQs and Answers after reading the chapter on Strategies for Enhancement in Food Production from the NCERT book on Class 12 Biology. The questions are topics-wise and the students can relate the questions easily to the most important topics of this chapter.
Plant Diseases caused by Fungi and Nematodes MCQs and Answers
1. Disease-causing fungi are of ____ types.
a) Two
b) Three
c) Four
d) Five
Answer: a
2. Which of the following is not a method of controlling fungal diseases?
a) Antibiotics
b) Fungicides
c) Resistant varieties
d) Use of pathogen-free seeds
Answer: a
3. Witches’ broom is a characteristic symptom of diseases caused by ___________
a) Virus
b) Fungi
c) Bacteria
d) Nematodes
Answer: b
4. Which of the following statements is not related to Loose smut of Wheat?
a) Caused by Ustilago
b) Attacks barley
c) Caused by Puccinia
d) A disease common in humid areas
Answer: c
5. Which of the following is a Non-characteristic symptom of Nematode disease?
a) Yellowing of Foliage
b) Distortion of leaves
c) Necrotic lesions
d) Blotches
Answer: a
6. Which of the following statement is not related to Root-Knot of Brinjal and Tomato?
a) Caused by Meloidogyne
b) The male worm is cylindrical
c) The female worm is circular
d) Site of infection produces gall
Answer: c
FAQs on Plant Diseases caused by Fungi and Nematodes
Q1. What are the most common plant diseases caused by fungi?
Answer: Some of the most common plant diseases caused by fungi include powdery mildew, blackspot, and rust. These diseases can cause serious damage to plants, and can often be difficult to control.
Q2. What are the most common plant diseases caused by nematodes?
Answer: Some of the most common plant diseases caused by nematodes include root-knot and stunt. These diseases can cause serious damage to plants, and can often be difficult to control.
Q3. How can I tell if my plant is infected with a fungus or nematode?
Answer: There are a few signs that can indicate that your plant is infected with a fungus or nematode. These include yellowing or wilting leaves, stunted growth, and blotchy or discolored foliage. If you notice any of these signs, it is important to take action immediately to try to control the problem.
Q4. What can I do to prevent my plants from becoming infected with fungi or nematodes?
Answer: There are a few things you can do to help prevent your plants from becoming infected with fungi or nematodes. These include keeping your garden clean and free of debris, choosing disease-resistant plants, and regularly monitoring your plants for signs of problems.
Categories: Biology Class-12
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