Which method do you suggest the couple to have a baby, if the male partner fails to inseminate the female or due to very low sperm count in the ejaculate?

Which of these can be used to cure infertility in couples where male partner has very low sperm count ?

Which of the following statements are correct regarding surgical methods of contraception ? (i) These are generally advised to the male/female partner as a terminal method to prevent any more pregnancies (ii) Surgical procedure in male is called tubectomy and that in the female, vasectomy (iii) Reversibility is easily possible (iv) They block gamete transport and thereby prevent conception.

In case of a couple where the male is having a very low sperm count, which technique will be suitable for fertilization?

Harish observed two different types of papaya plants in his garden. One produced male flowers only and the other type produced female flowers as well as fruits. a. What are these type of plants called in which male and female flowers seen separately? b. Name another plant with the same feature. c. If both male and female flowers are seen separately in the same plant, what do you call them? Give examples.

Fill up the blanks in the following paragraph by selecting the correct option A. overset("i")("___") methods work on the principle of avoiding chances of ovum and sperms meeting B. overset("ii")("___") is one such method in which the couples avoid coitus from day 10 to 17 of the menstrual cycle C. overset("iii")("___") is another method in which the male partner withdraws his penis from the vagina just before ejaculation so as to avoid insemination D. overset("iv")("___") method is based on the fact that ovulation and therefore the cycle do not occur during the period of intense loctation following parturition.

In which one of the following , male and female gametohphytes do not have free living independent existence?