cbseacademic.nic.in XII STD Agriculture Sample Question Paper 2017-18 : CBSE Academic

Name of the Board : CBSE Academic
Class : XII STD
Document Type : Sample Question Paper
Subject : (Theory)
Year : 2017-18
Website : http://cbseacademic.nic.in/SQP_CLASSXII_2017_18_final.html
Download Sample Question Paper : https://www.pdfquestion.in/uploads/22284-Agriculture-SQP.pdf
Marking Scheme : https://www.pdfquestion.in/uploads/22284-MS.pdf

Agriculture Sample Question Paper :

General instructions :
1) All questions are compulsory.
2) Marks of each question is indicated against it.

Related : CBSE Academic XII STD Agriculture Theory Sample Question Paper 2016 – 17 : www.pdfquestion.in/10023.html

1. What is luxury consumption?
2. Traditionally potato chips are stored after drying. Justify the reason behind removal of moisture during its preparation.
3. What is vermicomposting?

4. Neem is a very good bio pesticide. The insecticidal property of neem is due to presence of which active principle ingredient?
5. Write down the name of two species of honey bees which can be used in commercial bee keeping.
6. What is kitchen gardening?

7. Where is National Centre for Mushroom located in India?
8. When was Plant Nursery Registration Act was enforced in India?
9. How presence of a lawn around the place of living or work is beneficial to the people?

10. How can organic farming improve soil productivity? Or Write two objectives of National Project on Organic Farming(NPOF).
11. Discuss the advantages of using sulfur dioxide as preservative.
12. Define food additive. How is it different from ‘food preservative’.

13. Define Field Capacity.
14. Enlist four value added products that can be made from cereals.
15. What are the principles of food preservation?

16. Gulkhand and rose water are two important processed flower products. Describe the process of their preparation.
17. Explain the process of preparation of mango pickle.
18. Various methods are employed to dry flowers and foliage. Describe any three methods

19. Justify the reason behind pre cooling in harvested fruits and vegetables before their storage?
20. Mention the common methods of packaging adopted in food preservation.
21. Describe drip irrigation system.
Or
Write advantages and limitation of sprinkler irrigation system.

22. Explain the functions and deficiency symptoms of nitrogen and phosphorus. 2.5+2.5=5
23. Draw the layout plan for a kitchen garden with an area of 40 m2. What are the advantages of kitchen garden?
Or
What are the important Government Schemes for the promotion of organic farming in our country? 2+2=5

24. Define flush in respect of mushroom cultivation. Write the names of most commonly cultivated mushrooms in India. 2+2 = 5
25. Explain the concept and components of Integrated Nutrient Management?
Or Explain the constraints in bio fertilizer technology. 5

26. Enumerate the importance of plant nurseries in India. 5
27. Describe various methods of sowing/transplanting of grasses during lawn making.
Or
Describe the nutritional status of mushroom.

Model Answers :
1. Luxury consumption is defined as the nutrient concentration range in which added nutrient will not increase yield but can increase nutrient concentration. 1

2. Reason behind removal of moisture from potato chips
a) Microorganisms require free water for their growth and multiplication. If free water is removed from potato chips, it will not be available to microorganism and thus growth and multiplication of microorganism will stop.

b) Water becomes unavailable for chemical/biochemical reaction and thus storage life of potato chips increases. ½ x2=1

3. Vermicomposting sometimes called ‘vermiculture’, ‘composting with worms’ or ‘worm composting’, is a modified and specialised method of composting – the process that uses earthworms to eat and digest farm wastes and turn out high quality compost. 1

4. Azadirachtin 1
5. Apis cerana (Indian/Asian / Eastern honey bee) Apis mellifera (Italian/ European honey bee) 1

6. A kitchen garden is a vegetable garden where the vegetable crops are grown in the backyard of a house or any available space in the home compound to meet the daily requirement of the family. 1
7. Solan, Himachal Pradesh 1
8. 1973 1

9. A lawn can be defined as the green carpet for a landscape. It is a basic feature for any type of garden. In a home garden, lawn improves the appearance of the house, enhances its beauty, increases conveniences and usefulness thus adding monetary value to the house.

The lawn provides a perfect setting for a flower bed, a border, or a shrub. Besides the material value, a lawn has its spiritual value, too. A lawn is the source of charm and pride and reduces tension of the mind after a day’s hard work in the materialistic world.

Organic farming is a knowledge intensive agricultural production system that sustains the soil health, agro-ecosystems and human beings.

Organic farming relies on ecological principles, agro-biodiversity and bio-geochemical cycles adapted to local conditions, rather than use of inputs which cause adverse impacts.

Maintenance of soil biodiversity enables soil ecological balance and improves soil productivity. Further, organic farming practices improves the physical, chemical and biological properties of soil and the biological functions of soil-water-nutrients continuum.

Crop diversification through organic farming aids in improving the soil health and agricultural productivity.