Question
Monocropping of tobacco is always discouraged as
A. it leads to the development of Pest and disease complex B. it decreases soil fertility C. it reduces germination of crops D. it leads to crop failure due to water stress E. curing becomes difficult In light of the above statements, choose the most appropriate answer from the options given below:Solution
Moncropping leads to the decline of soil fertility and also the development f pest and disease complex. So it is always discouraged
21, 22, 48, 153, 628, ?
31     35      60     124      ?      441
...Choose the number which is different from others in the group.
Find the missing term.
D – 4, F – 6, H – 8, J – 10, ?, ?
16 23 31 40 50 61 ?
...512   493   476   ?    448    437  . Â
324 322 640 1914 7648 ? 229368
...1335Â Â Â Â Â Â 737Â Â Â Â Â Â Â Â 355Â Â Â Â Â Â Â Â 141Â Â Â Â Â Â Â Â 47Â Â Â Â Â Â Â Â Â Â ?
...If   314     306      x      269       394    178    1480
Then, 1/3 x + 2x - x = ?
...13Â Â Â Â Â Â Â Â Â Â 182Â Â Â Â Â Â Â Â 303Â Â Â Â Â Â Â Â 384Â Â Â Â Â Â Â Â 433Â Â Â Â Â Â Â Â ?
...