MCQ
Coitus interruption is the --- of natural contraception.
- ✓withdrawal method
- Blactation amenorrhoea
- Cphysical barrier
- DAll of these
Natural method of contraceptive are the natural ways to prevent fertilisation. These methods are
$(i)$ Periodic Abstinence
Couple avoid coitus or intercourse from day $10$ to $17$ of the menstrual cycle when ovulation is expected to occur
$(ii)$ Coitus interruption or withdrawl method
Withdrawl of penis from the vagina just before ejaculation so as to avoid insemination
$(iii)$ Lactational Amenorrhoea (Absence of menstruation) This method is based on the fact that ovulation and therefore the cycle don't occur during the period of intense following parturition. Therefore, as long as the mother breast feeds the child, chances of conception are almost nil
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$(i)$ The heterozygous female transmit the disease to son.
$(ii)$ Change in the shape of the $RBC$ from biconcave disc to elongated sickle like structure.
$(iii)$ Mentally retarded.
$(iv)$ Heamoglobin not formed proper amount in blood.
$(A)$ Bears go into ___$(1)$___ during winter to ___$(2)$___ cold weather.
$(B)$ A conical age pyramid with a broad base represents ___$(3)$___ human population.
$(C)$ A wasp pollinating a fig flower is an example of ___$(4)$___ .
$(D)$ An area with high levels of species richness is known as ___$(5)$___ .
Which one of the following options, gives the correct fill ups for the respective blank numbers from $(1) $ to $(5)$ in the statements ?