Q20 of 56 Page 220

The number of chromosomes in parents and offsprings of a particular species remains constant due to:

The number of chromosomes in parents and offspring’s of a particular species remains constant due to halving of chromosomes during gamete formation.

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18

The ability of a cell to divide into several cells during reproduction in Plasmodium is called:

 19

The correct sequence of reproductive stages seen in flowering plants is:

 1

Write true or false for the following statements:

Menstruation lasts for about ten to fifteen days.

 2

Write true or false for the following statements:

Ovary releases three eggs every month.