Questions and Answers

What is the affinities of sphenodon?

Animal cells are A. Round and irregular in shape B. Round or rectangular in shape C. Regular and rectangular in shape D. Irregular and square in shape

In earthworm, typhlosole occurs between A. 20 – 90 Segments B. 26 – 95 segments C. 20 – 95 segments D. 21 – 100 segments

Sonar system is found in A) Otter B) Bat C) Whale D) Both B and C

All of the following statements are false about red blood cells that have been added to a flask of saturated NaCl solution except that A. The cells will undergo mitosis B. The cells will increase in volume C. The cell will lose water D. The cells are hypertonic relative to the surrounding medium E. The concentration of NaCl is lower outside the cells than inside

Incomplete alimentary canal occurs in A) Fasciola B) Ascaris C) Wuchereria D) Rhabditis

ATPase enzyme needed for muscle contraction is located in (a) Actinin (b) Troponin (c) Myosin (d) Actin

What are the aquaporins in the facilitated diffusion process? A. Membrane proteins B. Carrier proteins C. Channel proteins D. Carrier lipids

What are the possible advantages and disadvantages of a chitinous exoskeleton in arthropods?

A dorsiventral leaf has a. Palisade tissue on both sides b. Spongy tissue on both sides c. Palisade tissue on the upper side and spongy tissue on the lower d. Spongy tissue on the upper side and palisade tissue on the lower