MCQ
Location and secretion of Leydig’s cells are.
- ALiver — cholesterol.
- BOvary — estrogen.
- CTestis — testosterone.
- DPancreas — glucagon.
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$(A)$ Wings of butterfly and birds look alike andare the results of ___$(i)$___ evolution.
$(B)$ Miller showed that $CH_4 , H_2 , NH_3$ and ___$(i)$___ when exposed to electric discharge in a flaskresulted in formation of ___$(ii)$___ .
$(C)$ Vermiform appendix is a ___$(i)$___ organ and an ___$(ii)$___ evidence of evolution.
$(D)$ According to Darwin evolution took placedue to ___$(i)$___ and ___$(ii)$___ of the fittest.
| List $I$ | List $II$ |
| $A$. Clostridium butylicum | $1$. Ethanol |
| $B$.Saccharomycescerevisiae | $II$. Streptokinase |
| $C$.Trichodermapolysporum | $III$. Butyric acid |
| $D$. Streptococcus sp. | $IV$.Cyclosporin-$A$ |
Choose the correct answer from the options given below: