Question
Major form of boron absorbed by plants is: (A)
B4O7-2‑ (B) BO32- (C) H2BO3- (D) H3BO3Solution
Boron plays an important role in the movement and metabolism of sugars in the plant and synthesis of plant hormones and nucleic acids. It is taken up by plants primarily as H3BO3 (boric acid) and H2BO3- (borate).
96 111 131 ? 186 221
19 8 ? -14 63 - 36
...140 300 380 420 440 ?
...3720 3842 ? 4092 4220 4350
22 44 176 1078 8448
...3456 1728 2592 6485 22680 102060
...5 6 14 �...
Identify the logic of the below given series and given answer.
Series I :: 81, 89, 116, 241, (A), 1915
Series II :: (B), 204, 208, 4...
35 36 40 49 65 ?
...If 24 33 x 42 6 51
Then, 20% of x + 40% of x=?
...