Goa Board Class 12 Question Paper Mar 2019 Olericulture

2019 III 05 1000 Seat No.

Time : 2 Hours OLERICULTURE
Subject Code

V 3 8 4
Total No. of Questions : 4 (Printed Pages : 4) Maximum Marks : 50

INSTRUCTIONS : (i) All questions are compulsory.

(ii) Figures to the right indicate full marks.

(iii) Draw diagram wherever necessary.

(iv) Start each question on fresh page.

1. (A) Name the following : 3

(i) The insect pest of pumpkin, the maggots of which, feed on the
internal tissue of the fruits causing premature fruit drop.

(ii) The botanical name of muskmelon.

(iii) The colour used to indicate extreme level of toxicity in pesticides.

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

(i) State two varieties of bhendi resistant to yellow vein mosaic
disease.

(ii) State vegetative parts used to propagate sweet potato.

(iii) How does staking help in Dioscorea cultivation ?

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

(i) Discuss in detail, planting of sweet potato using vine cuttings.

(ii) Discuss cultivation of pumpkin with respect to climatic requirement
and trailing.

2. (A) Match the pairs : 3

A B

(i) Dioscorea (i) Vigna sesquipedalis

(ii) Radish (ii) Arka suryamukhi

(iii) Long bean (iii) Propagated by tubers

(iv) Arka Nishant

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

(i) State two harvesting indices of muskmelon.

(ii) What is the spacing recommended for watermelon cultivation ?

(iii) How are the elephant foot yarn corms stored for seed purpose ?

(C) Write short notes on the following : 4

(i) Uses of sweet corn

(ii) Harvesting of radish.

3. (A) State true or false : 3

(i) The Amorphophallus corms are highly susceptible to poor drainage
conditions.

(ii) Maharashtra is the leading state in India in onion production.

(iii) Mature watermelon fruit produces metallic sound when thumped.

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

(i) What is the soil requirement for cultivating bhendi ?

(ii) Name two improved varieties of cluster bean developed by IARI,
Pusa.

(iii) State the edible parts of drumstick plant.

(C) Answer the following : 6

(i) Discuss harvesting and post harvest curing in onion.

(ii) Discuss cultivation of yard long bean with respect to varieties and
support.

(iii) Discuss cultivation of cluster bean with reference to sowing and
manuring.

(D) State six advantages of use of hydrogen peroxide with silver in
disinfection of soil. 3

Or

(D) (i) Draw neat labelled diagram of beds (showing all the required di-
mensions) used for planting of cucumber in polyhouse. 2

(ii) State the material components of beds used for cucumber cultiva-
tion in polyhouse. 1

4. (A) Fill in the blanks : 3

(i) The age of the capsicum seedlings used for transplanting in
polyhouse should be............................

(ii) The yellow vein mosaic disease in bhendi is transmitted
by............................... insect.

(iii) The curry leaf is vegetatively propagated by...................................

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

(i) How do aphids affect bhendi crop ?

(ii) What is the material used to train cucumber vines in polyhouse ?

(iii) State two improved varieties of capsicum recommended for culti-
vation in polyhouse in Goa.

(C) Answer the following : 6

(i) Discuss in detail about harvesting of capsicum fruits in polyhouse
cultivation.

(ii) Discuss cultivation of curry leaf with reference to training and
prunning and harvesting.

(iii) State four uses of drumstick plant.

(D) State six precautions to be taken while spraying pesticides to avoid
human health hazards. 3

Or

(D) State signs and symptoms of pesticide poisoning seen in human being. 3