Biology
Mention whether the following statements are true (T) or false (F).
(a) Vasectomy is the surgical method of sterilisation in human males.
(b) Tubectomy is the placing of a diaphragm on the cervix.
(c) Cow was the first domesticated animal.
(d) Rapidly growing industries favoured population rise.
(e) Present human population growth is following arithmetic progression.
(f) Birth rate (natality) is the number of live births per hundred people of population per decade.
(g) Tubectomy is a popular surgical method of contraception in human males.
Answer
(a) True
(b) False
Corrected statement — In tubectomy, fallopian tubes are cut or ligated i.e. tied with nylon thread to close the passage of the egg.
(c) False
Corrected statement — Dog was the first domesticated animal.
(d) True
(e) False
Corrected statement — Present human population growth is following geometrical progression.
(f) False
Corrected statement — Birth rate (natality) is the number of live births per 1000 people of population per year.
(g) False
Corrected statement — Vasectomy is a popular surgical method of contraception in human males.
Related Questions
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