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Male and Female Condoms

Give technica...

Question

Give technical terms for the following :
(i) A method of contraception in which the sperm duct is cut and ligated.
(ii) Statistical study of human population.
(iii) The protective covering of the heart.
(iv) A sudden heritable change in the gene.
(v) Repeated units of DNA molecule.
(vi) The fluid portion of blood.
(vii) The nerve that transmits impulses from the ear to the brain.
(viii) Group of hormones which influence other endocrine glands to produce hormones. (ix) Thin walled sac of skin that covers the testes.
(x) The permanent stoppage of the menstrual cycle in a woman aged 60 years.

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Solution

(i) Vasectomy refers to the surgical method in which vasa deferentia in human males are cut and sealed to prevent pregnancy by making seminal fluid devoid of sperms.
(ii) Demography is the statistical study of the human population.
(iii) Pericardium refers to the covering of the heart.
(iv) Mutation refers to sudden genetic changes.
(v) A nucleotide is the structural unit of nucleic acid.
(vi) Plasma refers to the fluid part of blood without blood corpuscles.
(vii) Auditory nerve carries the auditory impulses to the brain.
viii) Tropic hormones are the hormones of the anterior pituitary.
(ix) Scrotum protects the testes and provides lower temperature as necessary for sperm formation by spermatogenesis.
(x) menopause is the cessation of the monthly cycle wherein ovaries do not respond to gonadotropic hormones.

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