MCQ
Which endocrine gland becomes inactive in old age
- AAdrenal
- BPineal
- ✓Thymus
- DPituitary
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$(i)$ The endomembrane system includes plasma membrane, ER, Golgi complex, lysosomes and vacuoles.
$(ii)$ ER helps in the transport of substances, synthesis of proteins, lipoproteins and glycogen.
$(iii)$ Ribosomes are involved in protein synthesis.
$(iv)$ Mitochondria help in oxidative phosphorylation and generation of $ATP$.
| List $I$ | List $II$ |
| $A$. $P$-wave | $I$. Beginning of systole |
| $B$. $Q$-wave | $II$. Repolarisation of ventricles |
| $C$. $QRS$ complex | $III$. Depolarisation of atria |
| $D$. $T$-wave | $IV$. Depolarisation of ventricles |
Choose the correct answer from the options given below :