MCQ
Body of molluscs is
- AUnsegmented
- BCovered by a calcareous shell
- CDivided into distinct head, muscular foot and visceral hump
- ✓All of these
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$\begin{array}{|l|l|} \hline A & B \\ \hline (a)\,\,Bony\,\,fish & (1)\,\,Crustaceans \\ \hline (b)\,\,Terrestrial\,\,amphibiany & (2)\,\,Ammonotelic \\ \hline (c)\,\,Land\,\,snails & (3)\,\,Ureotelic \\ \hline (d)\,\,Prawn & (4)\,\,Uricotelic \\ \hline \end{array}$
$I$. Lymph node $II$. Thymus gland
$III$. Red bone marrow $IV$. liver
$V$. Spleen $VI$. Osteocytes
$VII$. Peyer's patches
The correct option with correct choices is
Select the correct match from the given option below.
| Hormone | Source | Function |
| (A) Vasopressin | (i) Growing ovarian follicles | (1) Stimulates reabsorption of water in the distal tubules in the nephron |
| (B) Estrogen | (ii) Thyroid | (2) Regulates growth of mammary glands and milk formation in females. |
| (C) Thyroxine | (iii) Posterior pituitary | (3) Female secondary sexual characters |
| (D) Prolactin | (iv) Anterior pituitary | (4) Regulation of the basal metabolic rate |
$R$ - $AIDS$ is caused by $HIV$.