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 formation in rose.
5.
Both these plants - rose and tomato - both selected by human beings
for different characteristics, the rose for its flower and tomato for its fruit.
Roses, being vegetatively propagated do not need to produce seeds.​

Answer 1

Answer:

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Explanation:

Rose plants produce large, attractive bisexual flowers, but they seldom produce fruits. The reasons for failure of fruit formation in rose are as follows (i) Rose plants may not produce viable pollens, hence, no fertilization can take place. (ii) Rose plants may not have functional eggs. (iii) Rose plants may have defective and non-functional ovule .which is the female gametophyte generator. (iv) There may be self-incompatibility. (v) There may be internal barriers for pollen tube growth or fertilization. (vi) As rose plants are hybrids and reproduce vegetatively, there are chances for them to be sterile.

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