MCQ
Biologically most resistant plant material is:
- ASporopollenin
- BLignin
- CSuberin
- DCutin
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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 |
$(a)\quad(b)\quad(c)\quad(d)$
| Column $- I$ | Column $- II$ |
| $(a)$ Parturition | $(p)$ Attachment of embryo to endometrium |
| $(b)$ Gestation | $(q)$ Release of egg from Graafian follicle |
| $(c)$ Ovulation | $(r)$ Delivery of Foetus from uterus |
| $(d)$ Implantation | $(s)$ Duration between pregnancy and birth |
| $(t)$ Formation of zygote by fusion of egg and sperm |
$I$. Ovulation do not occur during the lactational period
$II$. Chances of the failure of contraception are almost nil upto six months following parturition
$III$. Side effects are almost nil
$IV$. It is a natural method of contraception
$V$. It increases phagocytosis of sperms