Download PTU B.Tech 2021 Jan Agriculture-Engineering 3rd Sem 78587 Agriculture For Engineers Question Paper

Download PTU (Punjab Technical University) B.Tech (Bachelor of Technology) / BE (Bachelor of Engineering) 2021 January Agriculture-Engineering 3rd Sem 78587 Agriculture For Engineers Previous Question Paper

Roll No.
Total No. of Pages : 02
Total No. of Questions : 18
B.Tech. (Agriculture Engineering) (Sem.?3)
AGRICULTURE FOR ENGINEERS
Subject Code : BTAG301-19
M.Code : 78587
Time : 3 Hrs. Max. Marks : 60
INST RUCT IONS T O CANDIDAT ES :
1 .
SECT ION-A is COMPULSORY cons is ting of TEN questions carrying TWO marks
each.
2 .
SECT ION-B c ontains F IVE questions c arrying FIVE marks eac h and s tud ents
have to atte mpt any FOUR q ues tions.
3 .
SECT ION-C contains THREE questions carrying T EN marks e ach and s tudents
have to atte mpt any T WO questio ns.
SECTION-A
Write briefly :
1) Differentiate between rejuvenation and top working.
2) Enlist the essential nutrients required by plants.
3) In what form are the major plant nutrients absorbed by plants?
4) Write short note on :
a) Aeolian landform
b) Marine landform
5) In which soils gypsum application is recommended and write down the amount of gypsum
that can be added to soil at one time.
6) What do you mean by SAR? Write an equation representing SAR.
7) What is modern concept of tillage?
8) What is `soil tilth?
9) How do you classify orchids?
10) Differentiate between rock and mineral.
1 | M-78587
(S2)-350

---

SECTION-B
11) What are the criteria for judging the quality of irrigation water on the basis of EC and
RSC?
12) What is the difference between soil fertility and soil productivity?
13) Discuss the effect of climatic factors on crop growth and development.
14) Name the micronutrient which is immobile in plants? Khaira disease occurs due to the
deficiency of which nutrient?
15) Discuss important techniques of nursery raising of vegetables under protected conditions.
SECTION-C
16) What are the five factors of soil formation? Discuss the role of vegetation in soil formation.
17) What are saline and alkaline soils? How they are formed. Describe chemical methods for
the reclamation of acid soil.
18) Differentiate between training and pruning. Discuss in detail different methods used for
training and pruning of fruit crops.
NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any
page of Answer Sheet will lead to UMC against the Student.
2 | M-78587
(S2)-350

---