MCQ
Which one is a poikilothermic $(cold blooded)$ animal
- APenguin
- BWhale
- COtter
- ✓Tortoise
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
| 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 :
Statement $I$: Parenchyma is living but collenchyma is dead tissue.
Statement $II$ : Gymnosperms lack xylem vessels but presence of xylem vessels is the characteristic of angiosperms.
In the light of the above statements, choose the correct answer from the options given below:
$I.$ Primary and secondary phloem gets crushed during secondary growth
$II.$ During secondary growth, primary xylem remains more or less intact