Question
What event is unique to angiosperms and involves the
fusion of two different male gametes?Solution
One of the male gametes fuses with the egg cell (syngamy) to form a zygote and the other gamete fuses with the diploid secondary nucleus to produce the triploid primary endosperm nucleus (PEN). This event is termed as double fertilization and its unique to angiosperms.
What will come in place of the question mark (?) in the following series?
20, ?, 30, 60, 150, 450
-1, 5, 23, 59, ?
Find the missing number in the given number series.
2, 5, 11, 23, 47, ?48, 24.5, ?, 39.75, 81.5, 206.25, 621.75
What will come in place of the question mark (?) in the following series?
24, 36, 16, 46, 4, ?, -12Â
What will come in place of the question mark (?) in the following series?
146, 122, ? , 74, 50, 26
660, 653, 639, 618, 590, ?
65, 90, 140, ?, 315, 440
64, 66, 69, 74, 81, ?
- What will come in place of the question mark (?) in the following series?
10, 17, 26, 37, 50, ?
