Question

rose plants produce large attractive bisexual flowers but they seldom produce fruits.on the other hand a tomato plant produces plenty of fruits though they have small flowers.Analyse the reasons for failure of fruit formationin rose.

Answer 1

it is because rose reproduce by means of vegetative reproduction (cutting)
in absence of sexual reproduction , fruit formation is not observed in rose plant

Answer 2

Answer:it is because rose plants may not produce viable pollens, hence no fertilization takes place. Also rose plants may have defective and non-functional ovule.