CUET PG PYQs for Diseases of important crops caused by fungi,bacteria,nematodes and viruses and their control measures with Solutions: Practice CUET PG Previous Year Questions

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Diseases of important crops caused by fungi,bacteria,nematodes and viruses and their control measures is an important topic in the Botany section in CUET PG exam. Practising this topic will increase your score overall and make your conceptual grip on CUET PG exam stronger.

This article gives you a full set of CUET PG PYQs for Diseases of important crops caused by fungi,bacteria,nematodes and viruses and their control measures with explanations for effective preparation. Practice of CUET PG Botany PYQs including Diseases of important crops caused by fungi,bacteria,nematodes and viruses and their control measures questions regularly will improve accuracy, speed, and confidence in the CUET PG 2026 exam.

CUET PG PYQs for Diseases of important crops caused by fungi,bacteria,nematodes and viruses and their control measures with Solutions

1.
Covered smuts' disease in Barley is caused by
- Ustilago nuda
- Ustilago kolleri
- Ustilago scitamineae
- Ustilago hordei
View Solution
2.
Which of the following statement is correct about pathogen infecting host system?
A. Fusarium vascular wilt mainly cause disease in wheat plant
B. Rust is a common disease symptom in India, caused by Puccinia graminis
C. Bacteria leaf blight in rice is caused by Magnaporthe oryzae
D. Neem based pesticides are effective in the management of rice diseases
Choose the most appropriate answer from the options given below
- A, B, C Only
- B, C Only
- C, D Only
- B, D Only
View Solution
3.
Insert stem: Alternate host of wheat rust disease is
A. Chenopodium plant
B. Berberry plant
C. Krishnanil plant
D. Parthenium grass
Choose the most appropriate answer from the options given below:
- A and B Only
- C and D Only
- B Only
- A and D Only
View Solution
4.
किस जानकारी की सहायता से नए कृत्रिम पदार्थ के खतरे का आकलन किया जा सकता है-
A. कृत्रिम पदार्थ की संरचना द्वारा
B. पदार्थ की ध्रुवीयता द्वारा
C. पर्यावरण में फैलने की प्रवृत्ति द्वारा
D. दीर्घ स्थायित्व द्वारा
E. विभिन्न रूपों में रूपांतरण द्वारा
नीचे दिए गए विकल्पों में से सही उत्तर का चयन कीजिए:
- केवल A, B, C
- केवल C, D, E
- केवल A, C, D
- केवल A. B. E
View Solution
5.
Aflatoxins are produced by:
- Aspergillus flavus
- Penicillium rubrum
- Cordyceps purpurea
- Claviceps purpurea
View Solution
6.
चंदन (सांतेलम एल्बम) का सैंडल स्पाईक रोग किसके द्वारा होता है।
- जीवाणु
- कवक
- एम एल ओ
- विषाणु
View Solution
7.
An opportunistic fungal parasite that causes mycoses in animals:
- Candida albicans
- Neurospora crassa
- Tuber melanosporum
- Pilobolus
View Solution
8.
Match List I with List II
LIST I
Name
LIST II
Organism
A Black wart disease of potato I Synchytrium endobioticum
B Black Mould II Achyla bisexualis
C Water Mould III Aspergillus niger
D Blue or Green Mold IV Penicillium chrysogenum

Choose the correct answer from the options given below:
- A-IV, B-II, C-III, D-I
- A-III, B-I, C-IV, D-II
- A-II, B-IV, C-I, D-III
- A-I, B-III, C-II, D-IV
View Solution
9.
Sandal spike disease of Sandal (Santalum album) is caused by
- Bacteria
- Fungi
- MLO
- Virus
View Solution
10.
Match List I with List II
LIST I
Structure
LIST II
Name of organism
A Heterocyst I Cladophora
B Cap cells II Diatoms
C Frustule III Blue green algae
D Aegagropilous forms IV Oedogonium

Choose the correct answer from the options given below:
- A-IV, B-III, C-I, D-II
- A-III, B-IV, C-II, D-I
- A-II, B-I, C-III, D-IV
- A-I, B-II, C-IV, D-III
View Solution
11.
Match List I with List II
LIST I
LIST II
A Red rust disease of tea leaves I Vaucheria
B Chlorellin II Cephaleuros
C Gongrosira stage III Chlorella
D Sea palm IV Portelsia

Choose the correct answer from the options given below:
- A-IV, B-I, C-III, D-II
- A-III, B-IV, C-II, D-I
- A-II, B-III, C-I, D-IV
- A-I, B-II, C-IV, D-III
View Solution
12.
The risk of new synthetic compounds can be assessed with the help of information on-
A. Structure of synthetic compound
B. Polarity of compound
C. Tendency of disperse in the environment
D. Persistence E. Conversion to different forms
Choose the correct answer from the options given below
- A, B, C Only
- C, D, E Only
- A, C, D Only
- A, B, E Only
View Solution
13.
Parasexual cycle brings variation in those fungi where sexual reproduction is absent. Arrange the following steps involved in the cycle sequentially:
A. Multiplication of diploid nuclei.
B. Formation of heterokaryotic mycelium and nuclear fusion.
C. Sorting of diploid nuclei and occasional haplodization of diploid nuclei.
D. Occasional mitotic crossing over.
E. Sorting of new haploid strain.
Choose the correct answer from the options given below:
- D, C, E, B. A
- A, D, C, E, B
- B. A, D, C, E
- A, B, C, D, E
View Solution

LIST I Name	LIST II Organism
A	Black wart disease of potato	I	Synchytrium endobioticum
B	Black Mould	II	Achyla bisexualis
C	Water Mould	III	Aspergillus niger
D	Blue or Green Mold	IV	Penicillium chrysogenum

LIST I Structure	LIST II Name of organism
A	Heterocyst	I	Cladophora
B	Cap cells	II	Diatoms
C	Frustule	III	Blue green algae
D	Aegagropilous forms	IV	Oedogonium

LIST I	LIST II
A	Red rust disease of tea leaves	I	Vaucheria
B	Chlorellin	II	Cephaleuros
C	Gongrosira stage	III	Chlorella
D	Sea palm	IV	Portelsia

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CUET PG PYQs for Diseases of important crops caused by fungi,bacteria,nematodes and viruses and their control measures with Solutions

1.Covered smuts' disease in Barley is caused by

3.Insert stem: Alternate host of wheat rust disease is A. Chenopodium plant B. Berberry plant C. Krishnanil plant D. Parthenium grass Choose the most appropriate answer from the options given below:

5.Aflatoxins are produced by:

6.चंदन (सांतेलम एल्बम) का सैंडल स्पाईक रोग किसके द्वारा होता है।

7.An opportunistic fungal parasite that causes mycoses in animals:

8.Match List I with List IILIST INameLIST IIOrganismABlack wart disease of potatoISynchytrium endobioticumBBlack MouldIIAchyla bisexualisCWater MouldIIIAspergillus nigerDBlue or Green Mold IVPenicillium chrysogenumChoose the correct answer from the options given below:

9.Sandal spike disease of Sandal (Santalum album) is caused by

10.Match List I with List IILIST IStructureLIST IIName of organismAHeterocystICladophoraBCap cellsIIDiatomsCFrustuleIIIBlue green algaeDAegagropilous forms IVOedogoniumChoose the correct answer from the options given below:

11.Match List I with List IILIST ILIST IIARed rust disease of tea leavesIVaucheriaBChlorellinIICephaleurosCGongrosira stageIIIChlorellaDSea palm IVPortelsiaChoose the correct answer from the options given below:

12.The risk of new synthetic compounds can be assessed with the help of information on- A. Structure of synthetic compound B. Polarity of compound C. Tendency of disperse in the environment D. Persistence E. Conversion to different forms Choose the correct answer from the options given below

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1.
Covered smuts' disease in Barley is caused by

3.
Insert stem: Alternate host of wheat rust disease is
A. Chenopodium plant
B. Berberry plant
C. Krishnanil plant
D. Parthenium grass
Choose the most appropriate answer from the options given below:

5.
Aflatoxins are produced by:

6.
चंदन (सांतेलम एल्बम) का सैंडल स्पाईक रोग किसके द्वारा होता है।

7.
An opportunistic fungal parasite that causes mycoses in animals:

8.
Match List I with List II
LIST I
Name
LIST II
Organism
A Black wart disease of potato I Synchytrium endobioticum
B Black Mould II Achyla bisexualis
C Water Mould III Aspergillus niger
D Blue or Green Mold IV Penicillium chrysogenum

Choose the correct answer from the options given below:

9.
Sandal spike disease of Sandal (Santalum album) is caused by

10.
Match List I with List II
LIST I
Structure
LIST II
Name of organism
A Heterocyst I Cladophora
B Cap cells II Diatoms
C Frustule III Blue green algae
D Aegagropilous forms IV Oedogonium

Choose the correct answer from the options given below:

11.
Match List I with List II
LIST I
LIST II
A Red rust disease of tea leaves I Vaucheria
B Chlorellin II Cephaleuros
C Gongrosira stage III Chlorella
D Sea palm IV Portelsia

Choose the correct answer from the options given below:

12.
The risk of new synthetic compounds can be assessed with the help of information on-
A. Structure of synthetic compound
B. Polarity of compound
C. Tendency of disperse in the environment
D. Persistence E. Conversion to different forms
Choose the correct answer from the options given below