Goa Board Class 12 Question Paper 2025 Commercial Crops

2025 II 24 0930 Seat No.

Time : 2 Hours COMMERCIAL CROPS
Subject Code

V 4 2 9 4

Total No. of Questions : 23 (Printed Pages : 4) Maximum Marks : 50

INSTRUCTIONS : (i) There are four sections in the question paper (A, B,
C & D) consisting of 23 questions.

(ii) Figures to the right indicate marks allotted to each
question.

(iii) Write the number of each question clearly on the answer-
book.

(iv) In section ‘A’ there are eight questions of which question
numbers 1 to 4 are multiple choice questions and
question numbers 5 to 8 are to be answered in one or
two sentences each.

(v) Attempt all the questions. However, internal choice is
given for question numbers 20 and 23.

SECTION A

1. The most important trade forms of arecanut in which riped nutes are dried
in the sun for 35-40 days are known as ....................... . 1

• Chali

• Scented Supari

• Kalipak

• Coloured Supari

V-4294 1 P.T.O.

2. The planting system followed in commercial cultivation of Oil Palm
is ....................... . 1

• Square

• Rectangular

• Adjacent

• Triangular

3. The development of the attractive yellow colour, aroma in turmeric rhizomes
is due to ....................... pigment. 1

• Curcumin

• Chlorophyll

• Anthocyanin

• Zanthophyll

4. Periodical pruning of dead wood and criss-cross branches of cashew during
the month of July is recommended to minimize the losses through
diseases ....................... . 1

• Powder mildew

• Anthracnose

• Die back

• Leaf roll

5. Name the food material which is preserved by using sun drying
method. 1

6. State the uses of ‘Kokum’. 1

7. How is harvesting and processing carried out in ‘Cinnamon’ ? 1

8. Name two products extracted from ‘Myristica fragrance’. 1

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SECTION B

9. What is ‘Pickling’ ? Enlist the precautions to be taken while preparing
pickle. 2

10. Define ‘Jam’. How much sugar is added to prepare jam from 1 kg pineapple
slices ? 2

11. Explain the following Post-Harvest techniques : 2

(i) Air-cooling

(ii) Hydro-cooling.

12. State any four advantages of corrugated fibre board boxes as packing
material for fruits. 2

13. Write a short note on propagation in ‘Black Pepper’. 2

14. What do you mean by ‘Carbonation’ ? Give an example of carbonated
product. 2

SECTION C

15. Calculate the cost for raising 1 Ha Mango plantation based on the
following : 3

(i) Spacing 9 m × 9 m

(ii) Cost of mango graft @ Rs. 210/- per graft

(iii) Cost of digging and re-filling of pit @ Rs. 75/- per pit

(iv) Cost of making shade @ Rs. 30/- per plant.

16. Write the flow chart of process of Sweet Mango Chutney. 3

17. Write the objectives of training and pruning in cashew. 3

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18. Explain the scope and importance of Post-Harvest Technology of fruits,
vegetables and nuts. 3

19. With suitable diagram explain the ‘Cold Storage’ method of preservation of
fruits and vegetables. 3

20. Briefly explain Nursery techniques in arecanut. 3

Or

20. Write the symptoms and management of Koleroga in arecanut.

SECTION D

21. Explain construction and working of ‘Zero Energy Chamber’ for short term
storage of vegetables and fruits. 4

22. Explain stone grafting in mango with reference to : 4

(i) Raising of root stock.

(ii) Selection of scion stick and grafting.

23. List out the characteristics of good coconut mother palm. 4

Or

23. Explain the commercial cultivation of coconut with reference to :

(i) Pit size and spacing

(ii) Control of Rhinoceros beetle

(iii) Irrigation.

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