NEET UG 2025 — Zoology Structural Organisation in Animals

What is the name of the blood vessel that carries deoxygenated blood from the body to the heart in a frog?

In frog, the Renal portal system is a special venous connection that acts to link :

Match List I with List II related to digestive system of cockroach. $\begin{array}{|l|l|r|l|}\hline & \text{List I} & & \text{List II} \\ \hline A. & \text{The structures used for storing of food} & I. & \text{Gizzard} \\ \hline B. & \text{Ring of } 6-8 \text{ blind tubules at junction of foregut and midgut.} & II. & \text{Gastric Caeca} \\ \hline C. & \begin{array}{l} \text{Ring of } 100-150 \text{ yellow coloured thin filaments at junction} \\ \text{of midgut and hindgut.} \end{array} & III. & \text{Malpighian tubules} \\ \hline D. & \text{The structures used for grinding the food.} & IV. & \text{Crop} \\ \hline\end{array}$ Choose the correct answer from the options given below:

In which of the following connective tissues, the cells secrete fibres of collagen or elastin? A. Cartilage B. Bone C. Adipose tissue D. Blood E. Areolar tissue Choose the most appropriate answer from the options given below :

Match List I with List II : \begin{array}{|l|l|l|l|}\hline & List - I & & List - II \\\hline A. & Squamous Epithelium & I. & Goblet cells of alimentary canal \\\hline B. & Ciliated Epithelium & II. & Inner lining of pancreatic ducts \\\hline C. & Glandular Epithelium & III. & Walls of blood vessels \\\hline D. & Compound Epithelium & IV. & Inner surface of Fallopian tubes \\\hline\end{array} Choose the correct answer from the options given below :