HCS (MAIN) EXAM

 AGRICULTURE (MOCK TEST)

 Time : 3 Hours                                                      M. Marks : 150

 Note : Attempt Five questions in all. All  questions carry equal marks. Questions No.1 is compulsary. Answer two questions from Part-I and two questions from Part-II. The parts of the same questions must be answered together and not be interpassed between anwers to other questions.

1. Write notes on any four of the following

 (4*7.5=30)

(a) Multiple cropping

(b) Dryland Agriculture

(c) Social Marketins

(d) Zero tillage

(e) Chromosomatlh eoryo f inheritance

(l)Integratedn utrient management

 Part-I

2. (a) Describe  syrnptoms  of N and K deficiency in cereals.  (10)

(b)  How nitrogen fixation  occurs when legumes  are grown? (5)

(c) Explain  the ways of loss and  availability of urea in submerged rice crop?  (10)

(d) What are  the symptoms  of Aluminum and Manganese toxici  (5)

3  (a) Explain the factors leading to green revorution in India ? (10)

(b)What are the second geneiation problems  of green revorution?

Suggest the strategies to solve these problem (10)

(c)Is the present rate of growth in agriculture sufficient for food security in india? Discuss. (10)

4. (a) what do you  understand by the term sustainable agriculture? (10)

(b)what is the role of crop diversification in sustainable  agriculture.(5)

(c)Suggest suitable soil and water conservation practices under(10)

leveled field conditions.

(d) what are the important characterstics of weeds? .(5)

  Part-II

5.(a) explain gene for gene hypothesis of host parasite interactions,

(b)Describe the advantages and disadvantages of multiline varieties. (10)

c)Explain the differences between horizontal and vertical  disease

resistance

6. (a) discuss the role of biological agents for the control of diseases and pests.. (10)

b)Narne at least two important diseases of the following crops(10)

i) Wheat

ii) Cotton

iii; Ric-e

iv) Gram

v) Potato

c) Explain different approaches for the control of storage pests of legurnes and wheat. (10)

7. a) Explain different types of seed dormancy encountered in seeds. (10)

b)What are the problems in post harvest handling and marketing of fruits? (10)

c) What is the importance of plant growth regulators in agriculture? (10)