List the adaptive features of water-pollinated flowers like Vallisneria.

How do plants produce seeds through apomixis? Explain with the help of an example.

Match the items of Column I with those of Column II.

Spermatids are transformed into spermatozoa by

The part of fallopian tube closed to the ovary is

The main function of Trophectoderm in mammalian embryo is

The membranous cover of the ovum at ovulation is

Given is a diagrammatic sketch of a portion of human male reproductive system.Select the correct set of names of the parts labelled A, B, C. D:

1st polar body is formed at which state of oogenesis?

Some important events in the human female reproductive cycle are given below.Arrange the events in a proper sequence.A-secretion of FSH, B-growth of corpus luteum, C-growth of the follicle and oogenesis, D-ovulation, E-sudden increase in the levels of LH

Which one of the following groups includes all sexually transmitted diseases?

The technique called Gamete Intra Fallopian Transfer (GIFT) is recommended for those females

Medical Termination of Pregnancy (MTP) is considered safe up to how many weeks of pregnancy?

Amniocentesis is a process to

Pollen grains are able to withstand extremes of temperature and desiccation because their exine is composed of

Insect-pollinated flowers are characterized by