1
10 Marks150 Wordsmedium
Differentiate between the following :
(i) Varietal seed production and Hybrid seed production
(ii) Conventional and Molecular breeding
AgricultureBotanyScience and Technology
2
10 Marks150 Wordsmedium
What is mass selection? Discuss its applications in varietal improvement.
AgricultureBotanyScience and Technology
3
10 Marks150 Wordsmedium
Enumerate factors responsible for absorption of nutrients by plants. Explain the mechanism of absorption of nutrients.
AgricultureBotanyScience and Technology
4
10 Marks150 Wordsmedium
Define synthetic variety. Discuss the operations involved in the production of synthetic varieties.
AgricultureBotanyScience and Technology
5
10 Marks150 Wordsmedium
Describe chromosome under the following headings :
(i) Chromosome number
(ii) Chemical constituents of chromosomes
(iii) Chromomere
(iv) Y chromosomes
BotanyScience and TechnologyBiology
6
20 Marksmedium
Explain self-incompatibility and its mechanism. Discuss relevance of self-incompatibility in plant breeding.
AgricultureBotanyScience and Technology
7
15 Marksmedium
What do you understand by the term 'seed quality'? Describe the regulatory and certification systems that are in place to ensure seed quality.
AgricultureEconomyScience and Technology
8
15 Marksmedium
Enumerate various types of structural chromosomal aberrations with their types. Give detailed account of inversion-type structural aberration.
BotanyScience and TechnologyBiology
9
20 Marksmedium
Explain the Protection of Plant Varieties and Farmers' Rights Act, 2001. Give an account of protection provided to farmers, breeders and indigenous property rights under this Act.
AgricultureEconomyLaw and Governance
10
15 Marksmedium
Describe the applications of mutation breeding. Also discuss the limitations of this approach of plant breeding.
AgricultureBotanyScience and Technology
11
15 Marksmedium
Describe the role of molecular markers and marker-assisted selection in crop improvement.
AgricultureBotanyScience and Technology
12
20 Marksmedium
Define plant nutrition. Give an account of essential and beneficial nutrients to plants and their status in Indian soils.
AgricultureGeographyScience and Technology
13
15 Marksmedium
What do you understand by 'genetically modified crop plants' ? Give an account of their uses in management of insect-pests, diseases and weeds.
AgricultureScience and TechnologyEnvironment