AP Class 12 Model Paper 2027 Sericulture

PAPER I Seri – Biotechnology & Farm Management
TIME: 3 Hours Max. Marks: 50

ii) Each question carries 2 marks 10x02=20

1. What is Tissue Culture?
2. What is cell division?
3. Define Bio-Technology?
4. Importance of farm records.
5. Leaf spot disease.
6. Nitrogen deficiency
7. What is pest?
8. Write control measures for Jassids (Leafhoppers)
9. Importance of spacing in Mulberry plantation.
10. Importance economics?

ii) Each Question Carries 6 marks 5x6=30

11. Explain the preparation of Tissue culture media.
12. Explain in detail about Mitosis.
13. Write about different weeds and Integrated Weed Management in mulberry.
14.Mention causative agent, symptoms Powdery mildew and suggest few control measures.
15. Write about Bihar hairy caterpillar on mulberry.
16. Write the procedure for leaf estimation.
17. Explain importance and package of practices for chawki garden
a) Vermi compost b) IDPM c) Tukra

PAPER II Silkworm Seed Technology
TIME: 3 Hours Max. Marks:50

ii) Each question carries 2 marks 10x02=20

1. Write the classification of Bombyx mori.
2. Define Metamorphosis.
3. What is Voltinism?
4. Name any four Grainage equipments and its uses.
5. Name the stages in the life history of Bombyx mori.
6. What is Synchronization?
7. What is Coupling and de-coupling of moths?
8. What is the aim of moth examination?
9. What are the types of eggs?
10. Name the Acid and equipment used in Acid treatment.

ii) Each Question Carries 6 marks 5x6=30

11. Describe the Systematic position of Bombyx mori.
12. Explain the morphology of Silkworm Larva.
13. Write notes on the Parental races of Silkworm.
14. Explain any five Grainage equipments and uses with a neat labeled diagram
15. Explain briefly Grainage operations in a commercial Grainage.
16. Explain the preparation of loose eggs.
17. Write about Hot acid treatment of Bivoltine eggs.
a) Voltinism b) Expand UV, BV, MV & CB c) Transportation of eggs.

PAPER III Post Cocoon Technology
TIME:3 Hours Max. Marks:50

ii) Each question carries 2 marks 10x02=20

1. Name some Silk fabrics.
2. What is Shell Ratio?
3. Mention four defective cocoons.
4. What is Stifling?
5. What is size of cocoon?
6. What is cocoon brushing?
7. What is Ahimsa silk?
8. Define baling of Silk.
9. Reeling records?
10. What is degumming

ii) Each Question Carries 6 marks 5x6=30

11. Write in detail about scope & limitations of Reeling Industry.
12. Explain in detail about commercial characters of cocoons.
13. Explain about Rules and Acts of Cocoon marketing?
14. Write about hot air drying and its advantages and disadvantages.
15. Write about Three pan cooking method.
16. Write about Multi-end reeling operation.
17. Write standard methods of Raw silk testing.
18. Write Short notes on
a) Value addition b) economics of cottage basin c) Silk dyeing