Question

i) What is the difference between fission in amoeba and fission in plasmodium?

ii) What are the advantages of reproduction by spores?

iii) Give two advantages of growing plants by vegetative propagation.

Answer 1

i)

$\begin{array}{ccc}Sl.no.& \text{Fission in Amoeba}& \text{Fission in Plasmodium}\\ 1& \text{Binary fission}& \text{Multiple fission}\\ 2& \text{One parent gives rise to}& \text{One parent gives rise}\\ & \text{two daughter amoeba}& \text{to many daughter Plasmodium}\end{array}$

ii) Advantage of spore formation are:

a. Spore can survive under unfavorable conditions as they are covered by a hard protective coat.

b. Spores can grow to produce new plants and does not require sexual interaction with another organism.

c. Due to their small size and light weight they can be dispersed easily.

iii)

a. Plants raised by vegetative propagation can bear flower and fruits earlier than those produced from seeds.

b. Such methods also make possible the propagation of plants such as banana, orange, rose and jasmine that have lost the capacity to produce seeds.

c. All plants produced by this method are genetically similar enough to the parent plant to have its characteristics.