MCQ
Several hormones like $hCG, hPL$, estrogen, progesterone are produced by
- Aovary
- ✓placenta
- CFallopian tube
- Dpituitary.
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| Column $I$ | Column $II$ |
| ($a$) Aptenodytes | ($i$) Flying fox |
| ($b$) Pteropus | ($ii$) Angel fish |
| ($c$) Pterophyllum | ($iii$) Lamprey |
| ($d$) Petromyzon | ($iv$) Penguin |
$Image$
Name of muscle/location
$(i)$ These muscle fibres taper at both ends and do not show striations.
$(ii)$ The wall of internal organs such as the blood vessels, stomach and intestine contain this type of muscle tissue.
$(iii)$ They are 'involuntary' as their function cannot be directly controlled.
| Column I | Column II |
| (a) P-wave | (i) Depolarisation of ventricles |
| (b) QRS complex | (ii) Repolarisation of ventricles |
| (c) T-wave | (iii) Coronary ischemia |
| (d) Reduction in the size of T-wave | (iv) Depolarisation of atria |
| (v) Repolarisation of atria |