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  4. The type of ovule depicted in this diagram is <img class=img-fluid question-image alt=Question src=https://cdn.tardigrade.in/q/nta/b-qmw9wtmni6no.png />

Q. The type of ovule depicted in this diagram is
Question

 2312  165 NTA AbhyasNTA Abhyas 2020Sexual Reproduction in Flowering Plants Report Error

Solution:

In circinotropus ovule, the ovule is rotated by 360° and it is completed surrounded by funiculus. It is seen in Opuntia. In Campylotropous ovule, the body of ovule curved such that micropyle and chalaza are not present in a straight line. The embryo sac and nucellus both are present in a curved position. In, anatropous ovule the body of the ovule is completely turned at 180º angle, due to the unilateral growth of funiculus, (inverted ovule). The chalaza and micropyle lie in a straight line. In amphitropous ovule, embryo sac becomes horseshoe-shaped and micropyle comes close to the hilum.