MCQ
Which one is correct for mammalian testis.
- ASertoli cells, seminiferous tubules, Leydig's cells.
- BGraafian follicles, Leydig's cells and seminiferous tubules.
- CGraafian follicles, Sertoli cells and seminiferous tubules.
- DAll of these.
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| Column $-I$ | Column $-II$ |
| $(A)$ Tuberculosis | $(i)$ Harmless virus |
| $(B)$ Whooping cough | $(ii)$ Inactivated toxin |
| $(C)$ Diphtheria | $(iii)$ Killed bacteria |
| $(D)$ Polio | $(iv)$ Harmless bacteria |
|
$(a)$ |
$(b)$ |
$(c)$ |
|
$1.$ Typhoid |
$a.$ Virus |
$P.$ Nose |
|
$2.$ Malaria |
$b.$ Bacteria |
$Q.$ Liver cells |
|
$3.$ Common cold |
$c.$ Protozoans |
$R.$ Small intestine |