In angiosperms, pollen grain germinates to produce two male gametes. Which one of the following functions is carried out by these gametes?
Both the gametes fuse with a single egg cell
Both the gametes fuse with two different egg cells
One gamete fuses with the egg cell and the other one eventually degenerate
One gamete fuses with the egg cell and the other one fuses with a diploid secondary nucleus
For election to the Lok Sabha, a nomination paper can be filed by
Miscellaneous · Easy
In a month if the seventh day is three days earlier than Saturday,then the nineteenth day of the month will be a
Miscellaneous · Easy
Which among the following events happened earliest ?
Miscellaneous · Easy
An 80-litre solution of alcohol and water has 75% alcohol. How much water (in litres) must be added to bring down the concentration of alcohol to 60%?
Miscellaneous · Easy