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Time Allowed : Three Hours
INDIAN FOREST SERVICE (MAINJEXAM- 2023
AGRICULTURE
Paper - II
BJKE-B-AGRC
Maximum Marks : 200
Question Paper Specific Instructions
Please read each of the following instructions carefully before attempting
questions:
There are EIGHT questions in all, out of which FIVE are to be attempted.
Questions no. 1 and 5 are compulsory. Out of the remaining SIX questions, THREE are
to be attempted selecting at least ONE question from each of the two Sections A and B.
Attempts of questions shall be counted in sequential order. Unless struck off, attempt of a
. question shall be counted even if attempted partly. Any page or portion of the page left
blank in the Question-cum-Answer Booklet must be clearly struck off.
All questions carry equal marks. The number of marks carried by a question/ ‘part is
indicated against it.
Neat sketches may be drawn, wherever required.
Answers must be written in ENGLISH only.
BJKE-B-AGRC
Ql. (a)
(b)
(c)
(d)
(e)
Q2. (a)
(b)
(০)
౧౩. (2)
(b)
(০)
SECTION A
Give a brief description of plasma membrane structure (with labelled
diagram) and its functions. 8
What do you understand by passport data of genetic resources ? Write
its importance in germplasm collection and conservation. 8
Describe different classes of seeds. What are the essential requirements
for production of certified seeds ? 8
Discuss in brief the practical significance of plant physiology in
agriculture. 8
Explain the methods for linkage detection in recombinant breeding
programme. 8
What are chromosome structure models ? Describe various models with
the help of suitable diagrams. Which models are widely accepted and
why ? 15
Differentiate between the following : 8xb=15
(1) Apomixis and Parthenogenesis
Gi) Quantitative traits and Qualitative traits
(iii) Recurrent Selection for General Combining Ability (RSGCA) and
Recurrent Selection for Specific Combining Ability (RSSCA)
(iv) Avoidance and Non-Preference
(೪) 26602006 and Expressivity
Write a note on chlorophyll pigments. 10
Write in detail about the anatomy and cytology of stomata. Also, explain
about the factors affecting stomatal movement. 15
Explain the various parameters of field and seed standards for breeder
seed production. Write the field and seed standards for wheat and
maize. 15
What are the components of genetic variance ? How are these
components estimated ? 10
BJKE-B-AGRC 2
౧4. (a) Write the breeding objectives for improvement of wheat and gram.
Describe the pedigree method of breeding for crop improvement. 15
(0) How does 002 fixation take place in succulent plants ? Why do the
stomata open at night and close during the day in CAM plants ? Mention
the families of Angiosperms in which succulents are available. 15
(c) Give a brief account of genetically modified crops with suitable
examples. 10
BJKE-B-AGRC 3
౧5. (a)
(b)
(০
(d)
(e)
Q6. (a)
(b)
(૦)
౧7. (a)
(1)
(૦)
SECTION છ
What is bud dormancy ? Explain its causes and the means to break bud
dormancy. 8
Write the preparation method of Ready to Serve (RTS) beverages and
squashes. 8
Write the causal organisms, nature of damage and management
practices for damping off in vegetables. 8
Discuss the preventive measures for management of stored grain pests
and diseases. 8
The rice-wheat system has been dominating the national agricultural
scenario for the last four decades, in spite of the fact that the water table
has been going down year after year. Why ? 8
Explain the biosynthesis of gibberellins. Also, list the role of gibberellins
in plants. With suitable examples, write about the commercial uses of
gibberellins in agriculture. 15
Give an account of the area, production and productivity trends with
respect to oil seeds and pulses during the last decade in India. What are
the agronomic interventions for further boosting up their production ? 15
Explain the biological control methods for tomato fruit borer and guava
wilt. 10
Describe the package of practices for mango cultivation in North India
considering suitable varieties for processing, soil and climate
requirements, fertilizer requirement, propagation method, management
of mango malformation and alternate bearing. 15
Write in detail about the causal organism, nature of damage and
management of the following diseases and insect pests : 5x3=15
(i) Cotton white fly
(ii) ` Cotton mealy bug
(iii) | Chickpea pod borer
How does photoperiodism influence plant growth and development ?
Explain with suitable examples. 10
BJKE-B-AGRC 4
@8. (a) Write a note on malnutrition among women and children. How
can fruits and vegetables production trends help in mitigating
malnutrition ? 15
(b) Discuss the cultivation practices for cauliflower considering the
following points : స 3x5=15
(1) Soil and climate requirements
(ii) Varieties, seed rate and sowing time
(iii) Nursery raising and transplanting method
(iv) Management of physiological disorders
(v) Harvesting and yield
(९) Describe the causal organism, nature of damage and management of the
following stored grain pests : 5x2=10
(i) Rice weevil
(1) Khapra beetle
BJKE-B-AGRC ] 5
