MCQ
What is common to whale, seal and shark?
- ASeasonal migration.
- BThick subcutaneous fat.
- CConvergent evolution.
- DHomeothermy.
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Statement $I:$
The coagulum is formed of network of threads called thrombins.
Statement $II :$
Spleen is the graveyard of erythrocytes.
In the light of the above statements, choose the most appropriate answer from the options given below:
| Column $- I$ (Organism) |
Column $-II$ (Excretory |
||
| $A$ | Cockroach | $I$ | Nephridia |
| $B$ | Cat fish | $II$ | Malpighian tubules |
| $C$ | Earthworm | $III$ | Kidneys |
| $D$ | Balanoglossus | $IV$ | Flame cells |
| $E$ | Flatworm | $V$ | Proboscis gland |
$II.$ In $C_{4}$-plant, Calvin pathway takes place in the mesophyll cell
Which of the following statements true?
Choose the correct option