1071: The varieties of corn can be improved by which of the following methods?
(a) Dihybrid cross
(b) Back cross
(c) Double cross
(d) Natural selection
1072: The crop which grows in alluvial soil and needs 150 cm rainfall is:
(a) Wheat
(b) Rice
(c) Groundnut
(d) Sugarcane
1073: It BAD is written as YZW and SAME as HZNV, then LOVE will be coded as:
(a) ROWN
(b) OJUC
(c) OLEV
(d) NOPL
1074: Hydrogen fuel cell vehicles produce one of the following as "exhaust"
(A) NH3
(B) H2O2
(C) CH4
(D) H2O
1075: Who among the following anticipated Newton by declaring that all things gravitate to the earth ?
(a) Aryabhata
(b) Varahamihira
(c) Buddhagupta
(d) Brahmagupta