Goa Board Class 12 Question Paper June 2019 Olericulture

2019 VI 07 1430 Seat No.

Time : 2 Hours OLERICULTURE

Subject Code

V 3 8 4

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

INSTRUCTION : (i) All questions are compulsory.

(ii) Write the question number and sub-question number clearly.

(iii) Figures to the right indicate full marks.

(iv) Draw diagram wherever necessary.

(v) Start each question on fresh page.

1. (A) Fill in the blanks : 3

(i) The botanical name of musk melon is ..................... .

(ii) The curry leaf can be propagated vegetatively by ....................... .

(iii) Onion can be propagated by .......................... and .................... .

(B) Answer the following in one or two sentences each : 3

(i) State the number of sweet potato vine cuttings required for

planting on 1 ha. area.

(ii) State two varieties of elephant foot yam.

(iii) What is the precaution taken to avoid demage to the pumpkin

vines while trailing on the ground ?

[V-384] 1 P.T.O.

(C) Write short notes on the following : 4

(i) Management of yellow vein mosaic virus in okra.

(ii) Uses of Dioscorea.

2. (A) State true or false : 3

(i) Pumpkin fruits are harvested when the fruit stalk begins to

shrivel.

(ii) Radish are harvested when the roots get fully matured.

(iii) Besides green cobs of sweet corn, green fodder is also available for

the cattle.

(B) Answer the following in one or two sentence : 3

(i) How does epilachna beetle affect muskmelon crop ?

(ii) How does earthing up help in improving crop quality in radish ?

(iii) What is the recommended spacing for okra in rabi season ?

(C) Answer the following in about 40-60 words : 4

(i) Discuss integrated pest management measures recommended for

sweet potato weevil.

(ii) Describe in detail, harvesting of elephant foot yam.

3. (A) Match the pairs : 3

‘A’ ‘B’

(i) Zea mays (i) Yard long bean

(ii) Citrullus lanatus (ii) Cluster bean

(iii) Vigna unguiculata (iii) Poaceae

(iv) Sugar baby

[V-384] 2

(B) Answer the following in one or two sentences each : 3

(i) How is sowing carried out in sweet corn ?

(ii) State the nutritional importance of wal.

(iii) State two uses of cluster bean.

(C) Answer the following in 40-60 words each : 6

(i) Discuss cultivation of onion with respect to soil requirement and

green onion production.

(ii) Discuss land preparation and sowing of watermelon by shallow pit

method and furrow method.

(iii) Describe cultivation of radish with respect to earthing up and

harvesting.

(D) Draw a neat labelled diagram to show two leader and four leader system

in capsicum cultivation in polyhouse. 3

OR

(D) Discuss cultivation of capsicum in polyhouse with respect to selection of

seedlings, topping and crop support. 3

4. (A) Select the correct alternative and rewrite the sentence : 3

(i) Tender pods / mature seeds / flowers of cluster bean are used as

vegetable

(ii) When the drumstick seedlings reach 3 meter / 75 cm / 2 meter

height, the shoot tips are to be nipped off to encourage side

branches.

(iii) Blue / Yellow / Green colour on chemical packings denotes high

toxicity level.

[V-384] 3 P.T.O.

(B) Answer the following in one or two sentences each : 3

(i) State two sucking pests which affect most of the capsicum crops in
greenhouse.

(ii) What do you mean by solarization method of disinfecting the
soil ?

(iii) State the characteristics of bed composition for cultivating
cucumber in polyhouse.

(C) Write short notes on the following : 6

(i) Irrigation for cucumber in polyhouse.

(ii) Seed propagation and planting in curry leaf.

(iii) Plant protection in drumstick.

(D) Describe cultural and biological methods of crop protection. 3

OR

(D) Describe pre-spraying precautions needed to be taken for safe use of

pesticides. 3

[V-384] 4