Write true or false for the statement: If the egg is not fertilized,it lives for about one day.

Colonies of yeast fail to multiply in water,but multiply in sugar solution. Give one reason for this.

What is the number of chromosomes in a human somatic cell?

Why does bread mould grow profusely on a moist slice of bread rather than on a dry slice of bread?

Some plants do not produce seeds. For such plants,parts like roots,stem,and leaves are used to develop into new plants.
$(a)$ Identify the process.
$(b)$ Which type of reproduction is it—sexual or asexual? Answer with reason.
$(c)$ Give any two examples of this process.

$(a)$ Identify the asexual method of reproduction in each of the following organisms:
$(i)$ Rose
$(ii)$ Yeast
$(iii)$ Planaria
$(b)$ What is fragmentation? Name a multicellular organism which reproduces by this method.