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Category: MCQ’s

Pest management in tomato (Lycopersicon esculentum) by using leaf extract of Cynodon dactylon

Pest Management in Tomato (Lycopersicon esculentum) Using Leaf Extract of Cynodon dactylon Tomato (Lycopersicon esculentum) is one of the most widely cultivated and economically significant vegetable crops globally. However, its production is severely impacted by various pests, including insects, nematodes, and microbial pathogens. To address these challenges, eco-friendly and sustainable pest management strategies are increasingly…

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MCQ on Agronomic Practices for Using Problem Water

MCQ on Agronomic Practices for Using Problem Water   1. What are the main cations commonly found in irrigation water? A. Sodium and lithium B. Calcium, magnesium, sodium, and potassium C. Boron and silicon D. Fluorine and bromine Show Answer Answer: B Explanation: The primary cations in irrigation water are calcium (Ca), magnesium (Mg), sodium…

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MCQ on Water Requirement for Different crops

Rice Cultivation Questions 1. What is the total water requirement for rice cultivation? a) 1100-1200 mm b) 1000-1100 mm c) 1100-1250 mm d) 1200-1300 mm Show Answer Answer: c) 1100-1250 mm Explanation: The total water requirement for rice ranges from 1100 to 1250 mm depending on the agro-climatic situation. 2. During which stage of rice…

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MCQ on Plant disease epidemiology

MCQ on Plant disease epidemiology 1. Epidemiology in plant pathology is primarily the study of: A. Pathogen reproduction B. Host immunity C. Disease outbreaks, intensity, causes, and effects D. Crop yields Answer: C 2. A disease that occurs consistently in a specific area over time is termed as: A. Epidemic B. Endemic C. Pandemic D….

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MCQ on Defence Mechanism in Plants

MCQ on Defense Mechanism in Plants MCQs on Pre-Existing Structural Defenses 1. What is the main function of cutin and wax in the plant cuticle? A. Facilitate spore germination B. Prevent water retention on plant surfaces C. Increase pathogen colonization D. Enhance photosynthesis efficiency Answer: B. Prevent water retention on plant surfaces 2. Which of…

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MCQ on Terms and concepts in plant pathology

MCQ on Terms and concepts in plant pathology 1. What is plant pathology? A) Study of biotic and abiotic agents causing diseases in plants B) Study of plant growth C) Study of plant reproduction D) Study of plant nutrition Answer: A) Study of biotic and abiotic agents causing diseases in plants 2. Which disease caused…

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MCQ on Viroids and diseases caused by viroids

1. What are viroids? A) Proteinaceous infectious agents B) Covalently closed circular RNA molecules C) Linear DNA molecules D) Non-infectious proteins Answer: B) Covalently closed circular RNA molecules 2. Which was the first viroid reported? A) Potato spindle tuber viroid B) Citrus exocortis viroid C) Hop stunt viroid D) Grapevein viroid Answer: A) Potato spindle…

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MCQ on Plant viruses & Plant diseases caused by viruses

1. What is the general nature of a virus? A) Multicellular parasite B) Submicroscopic, transmissible, intercellular, obligate parasite C) Cellular organism D) Non-parasitic microorganism Answer: B) Submicroscopic, transmissible, intercellular, obligate parasite 2. What is the typical size range of viruses? A) Greater than 200 millimicron B) Less than 200 millimicron C) 200-500 millimicron D) 1-2…

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