MBOSE Class 12 Question Paper 2023 for Agriculture

No. of Printed Pages—4
HS/XII/A.Sc.Com/Ag/23

2023

AGRICULTURE

( Vocational Course )

( Open Cultivation )

Full Marks : 30
Time : 1 hour

The figures in the margin indicate full marks for the questions

SECTION—A
( Objective )

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

1. What is/are the characteristic(s) of an ideal message?
(a) Clear
(b) Concise
(c) Accurate
(d) All of the above

2. Veni is
(a) a type of Korean flower arrangement
(b) a flower arrangement used to decorate hair
(c) a flower extract used for flavouring food
(d) a flower extract used for colouring

/68 [ P.T.O.

( 2 )

3. GA 3 is used for soaking corms at a concentration of _____
to increase sprouting.

(a) 250 ppm

(b) 300 ppm

(c) 200 ppm

(d) 150 ppm

4. Carnation blue or fancy ‘A’ grade has _____ stem length.

(a) 90–100 cm

(b) 60–70 cm

(c) 100–120 cm

(d) 120–150 cm

5. Gerberas are harvested by

(a) cutting at the middle of stalks

(b) pulling near the base of stalk

(c) cutting with two leaves

(d) uprooting the whole plant

6. The storage temperature of dahlia flower is about

(a) 0 °C

(b) 2 °C

(c) 4 °C

(d) 46 °C

HS/XII/A.Sc.Com/Ag/23/68 [ Contd.

( 3 )

7. Most commonly used vase solution/holding solution is

(a) soil filtrate

(b) salt solution

(c) glucose solution

(d) sucrose solution

8. The full form of ‘ppm’ is

(a) part per milligram

(b) parts per milliliter

(c) parts per million

(d) pulse per million

SECTION—B

Answer any four of the following very short answer-type
questions (Question Nos. 9 to 14) : 1×4=4

9. What are juvenile trees? Give one example.

10. What are bromeliads?

11. What are succulent plants?

12. What are climber plants?

13. What is desuckering in rose cultivation?

14. What is mulching?

HS/XII/A.Sc.Com/Ag/23/68 [ P.T.O.

( 4 )

SECTION—C

Answer any three short answer-type questions (Question Nos. 15
to 19) : 2×3=6

15. Write the propagation of rose flower. What is T-budding?

16. Write the physiological disorders of carnation flower.

17. What are the physiological disorders of gladiolus?

18. What are the two main cultivated species of marigold?
Name their varieties.

19. Write the uses of perennial plants.

SECTION—D

Answer any three descriptive answer-type questions (Question
Nos. 20 to 24) : 4×3=12

20. Describe the various types of house plants.

21. Explain the classification of bonsai.

22. Describe the various safety and protective devices used
during agro-chemical applications.

23. Describe the different varieties of crossandra flower.

24. Describe the post-harvest management of flowers.

HH H

HS/XII/A.Sc.Com/Ag/23/68 K23—190