Which technique would you suggest for correcting infertility caused due to very low sperm counts of a male partner?

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

Low sperm count in male is called azoospermia.

Consider the following statements and select the option stating which ones are true (T) and which ones are false (F) (i) Abortions could happen spontaneously too (ii) Infertility is the inability to produce viable offspring due to defects in the female partner only. (iii) Complete lactation could help in contraception (iv) Creating awareness can help create a reproductively healthy society.

Correct the following statement if wrong. Infertility is defined as the inability to produce a viable offspring and may be due to abnormalities in either of the partners, i.e. male or female.

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.

Fill in the blanks with correct answer(s)/ Correct the underlined portion of the sentences. Low sperm count (> 1 10 Million/mL ""^3 of semen) is called ............ .

Fill up the blank :The defect with tistis due to which very less number of sperms are produced is called ____.

The given diagram represents the relationships between organisms in a remote pond ecosystem. From this information. Which of the following is the most likely to be correct? 1) DDT present in the ecosystem would accumulate to the highest concentrations in the tissues of detritivore 1. 2) The introduction of consumer 4 individuals from an external population would lead a temporary increase in number of producer 2. 3) Disease in the producer 1 population would lead to an increase in the producer 3 population. 4) Extermination of consumer 3 would cause a sustained increase in the population of consumer 2.

Read the following statements regarding the various techniques used in cancer detection. (i) Cancer detection is based on biopsy and histopathological studies of the tissue, and blood and bone marrow tests for increased cell counts in case of leukaemia. (ii) In biopsy, a piece of the suspected tissue cut into thin sections is stained and examined under microscope by a pathologist. (iii) Techniques like radiography (use of X-rays), CT (computed tomography) and MRI(magnetic resonance imaging) are very useful to detect cancers of the internal organs. (iv) Computed tomography uses strong magnetic fileds and non-ionising radiations to detect physiological changes in living tissues. (v) MRI uses X-rays and ionising radiation to generate a 3-D image of the internal structure of an object. Which of the above statements are incorrect ?