MCQ
Malpighian tubules are:
- AExcretory organs of insects.
- BExcretory organs of annelids.
- CRespiratory organs of insects.
- DRespiratory organs of annelids.
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$R -$ Other name of $EMP$ is $TCA.$
| List $I$ | List $II$ |
| $A$. Taenia | $I$. Nephridia |
| $B$. Paramoecium | $II$. Contractile vacuole |
| $C$. Periplaneta | $III$. Flame cells |
| $D$. Pheretima | $IV$. Urecose gland |
Choose the correct answer from the options given below:
When you exhale, the diaphragm.
$(i)$ Arteries are thickwalled and have narrow lumen as compared to veins.
$(ii)$ Angina is acute chest pain when the blood circulation to the brain is reduced.
$(iii)$ Persons with blood group AB can donate blood to any person with any blood group under $ABO$ system.
$(iv)$ Calcium ions play a very important role in blood clotting.Which two of the above statements are correct?