B.Sc. Agriculture I (First) Semester Examination 2014-15

Course Code: BAG105 Paper ID: 0981175

Agricultural Meteorology

Time: 3 Hours Max. Marks: 70

Max Marks: 75

Note: Attempt six questions in all. Q. No. 1 is compulsory. uksV% dqy N% iz'uksa ds mRrj nhft,A iz'u la[;k ,d vfuok;Z gSA

1. Answer any five of the following (limit your answer to 50 words). (4x5=20) fuEufyf[kr esa ls fdUgh ikWap iz'uksa ds mRrj fyf[k;s ¼mRrj ipkl 'kCnks ls vf/kd ugha gksuk pkfg,½A a) Windvane and anemometer ok;q lwpd ,oa ok;q xfr ekih ;U= b) Cyclone pØokr c) Evapotranpiration okLiksRltZu d) Atmospheric pressure ok;qeaMyh; nkc e) Albedo vychMksa f) Solar constants. lkSj fLFkjkad g) Short and long wave radiation y?kq ,oa nh?kZ fofdj.k h) Black body CySd ckWMh

2. Define precipitation? Describe the forms of precipitation, 8. Describe the composition and structure of atmosphere with hydrologic cycle and its components. (10) appropriate diagram. (10) ikru ¼çslhihVslu½ dks ifjHkkf”kr djsaA ikru ds ok;qeaMy dh laxBu ,oa lajpuk dk fp= cukdj foLrkj fofHkUu çdkj] tyh; pØ ,oa blds ?kVdksa dk o.kZu ls o.kZu dhft,A djsaA

3. What do you understand by weather forecasting? Discuss the different types of weather forecasts and their uses in agriculture. (10) ekSle iwokZuqeku ls vki D;k le>rs gSa\ fofHkUu çdkj ds ekSle iwokZuqekuksa ,oa budk d`f”k esa egRo le>kb;sA

4. Enlist the agro climatic zones of India. Describe the characteristic of agro climatic zones of Uttar Pradesh. (10) Hkkjr o”kZ ds fofHkUu d`f”k tyok;q {ks=ksa dks lwfpc) dhft,A mRrj çns’k ds fofHkUu d`f”k tyok;q {ks=ksa dk foLrkj ls o.kZu dhft,A

5. Define runoff. Describe Universal Soil Loss Equation and management to minimize the runoff. (10) viokg ¼juvkWQ½ dks ifjHkkf”kr djsaA ;wfuolZy e`nk gzkl lehdj.k ,oa viokg dks de djus ds mik;ksa dk o.kZu dhft,A

6. What do you mean by humidity? Explain the absolute, specific and relative humidity. Describe the importance of humidity on plant growth. (10) vknzZrk ls vki D;k le>rs gSa\ ije ¼vClksY;wV½] fof’k”V ,oa lkis{k vknzZrk dks le>kb;sA vknzZrk dk Qly o`f) ij çHkko dk o.kZu dhft,A

7. Differentiate between weather and climate. Describe the factors affecting the climate. (10) ekSle ,oa tyok;q esa vUrj fyf[k;sA tyok;q dks çHkkfor djus okys dkjdksa dk o.kZu dhft,A