Q12 of 56 Page 220

Vegetative propagation refers to formation of new plants from:

Vegetative propagation is a type of asexual reproduction. In this, new plants are produced by the parts of plants like stem, roots and leaves without the help of any reproductive organ.

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10

In human females, an event that reflects onset of reproductive phase is:

 11

In Rhizopus, tubular thread-like structures bearing sporangia at their tips are called:

 13

Factors responsible for the rapid spread of bread mould on slices of bread are:

(i) large number of spores


(ii) availability of moisture and nutrients in bread


(iii) presence of tubular branched hypae


(iv) formation of round shaped sporangia

 14

Length of pollen tube depends on the distance between: