MBOSE Class 12 Question Paper 2021 for Agriculture

Total No. of Printed Pages—4
HS/XII/V/Ag/21

2021

AGRICULTURE (Floriculturist)

( Vocational Course )

( Open Cultivation )

Full Marks : 30

Time : 1 hour

The figures in the margin indicate full marks for the questions

Choose and write the correct answer (Question Nos. 1 to 8) :
1×8=8

1. The scientific name of Gaillardia is
(A) Aster amellus
(B) Gladiolus
(C) Solidago
(D) Gaillardia × grandiflora

2. Flowering hormone is
(A) Florocin
(B) Florigen
(C) Floralgen
(D) Florocult

/138 [ P.T.O.

( 2 )

3. _____ is an art of giving shape of an object to the plants.
(A) Girdling
(B) Pruning
(C) Topiary
(D) Goottee

4. Die-back of rose
(A) can be controlled by spraying chlorothalonil 2 g/lit
or mancozeb 2 g/lit
(B) can be controlled by spraying carbendazim 1 g/lit or
wettable sulphur at 2 g/lit
(C) Both the above
(D) None of the above

5. Plants that complete their life-cycle within a season or
in a year are
(A) Annuals
(B) Biennials
(C) Perennials
(D) Decanials

6. Suitable climate for growing tuberose is
(A) 28 °C to 30 °C
(B) 15 °C to 25 °C
(C) 30 °C to 35 °C
(D) 10 °C to 20 °C

HS/XII/V/Ag/21/138 [ Contd.

( 3 )

7. Suitable soil for growing Gladiolus is

(A) well-drained clay loam

(B) well-drained sandy loam

(C) well-drained loam

(D) well-drained silt loam

8. The commercial propagation of tuberose is done through

(A) stem

(B) rhizome

(C) corn

(D) bulb

Answer the following very short answer-type questions
(Question Nos. 9 to 12) : 1×4=4

9. What is manure?

10. What are micronutrients?

11. What are growth regulators?

12. What is nipping/tipping in marigold cultivation?

HS/XII/V/Ag/21/138 [ P.T.O.

( 4 )

Answer the following short answer-type questions (Question
Nos. 13 to 15) : 2×3=6

13. Write down the suitable conditions for cultivation of
Gerbera.

14. Describe special horticulture operation practices in
Chrysanthemum.

15. Write down the damage symptom and control measures
of trips in marigold.

Answer any three of the following long answer-type questions
(Question Nos. 16 to 20) : 4×3=12

16. What are post-harvest losses? Write down the causes of
post-harvest losses.

17. Write down the procedure of making bonsai.

18. What are the tips to improve the post-harvest life and
quality of cut flowers?

19. What is value addition in flowers? Give different
examples of value addition.

20. What safety measures are required during the use/
application of pesticides to crops?

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HS/XII/V/Ag/21/138 11-21—80