MCQ
Lactational amenorrhoea prevents:
- ASecretion of milk from breast
- BConception
- CSecretion of prolactin
- DSpermatogenesis
Explanation:
Lactational Amenorrhea method- It is based on the fact that ovulation and therefore the menstrual cycle do not occur during the period of intense lactation following parturition.
As a result chances of conception are almost nil as long as the mother lactates fully.
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| Column $- I$ | Column $- II$ |
| $(a)$ Clostridium butylicum | $(i)$ Cyclosporin $- A$ |
| $(b)$ Trichoderma polysporum | $(ii)$ Butyric Acid |
| $(c)$ Monascus purpureus | $(iii)$ Citric Acid |
| $(d)$ Aspergillus niger | $(iv)$ Blood cholesterol lowering agent |
$(a)\quad(b)\quad(c)\quad(d)$
Reason : Haemophilia occurs due to mutation of a structural gene on chromosome $15$.
| Column $- I$ | Column $- II$ |
| $(A)$ Myometrium | $(1)$ Cushion of fatty tissue |
| $(B)$ Mons pubis | $(2)$ Tiny finger like structure |
| $(C)$ Acrosome | $(3)$ External layer of uterus |
| $(D)$ Prostate gland | $(4)$ Middle thick layer of uterus |
| $(5)$ Help in fertilization of ovum |