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
1 Answer In earthworm, typhlosole occurs between A. 20 – 90 Segments B. 26 – 95 segments C. 20 – 95 segments D. 21 – 100 segments
1 Answer Sonar system is found in A) Otter B) Bat C) Whale D) Both B and C
1 Answer 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
1 Answer Incomplete alimentary canal occurs in A) Fasciola B) Ascaris C) Wuchereria D) Rhabditis
1 Answer ATPase enzyme needed for muscle contraction is located in (a) Actinin (b) Troponin (c) Myosin (d) Actin
1 Answer What are the aquaporins in the facilitated diffusion process? A. Membrane proteins B. Carrier proteins C. Channel proteins D. Carrier lipids
1 Answer What are the possible advantages and disadvantages of a chitinous exoskeleton in arthropods?
1 Answer 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
1 Answer Accumulation of cells and formation of a bud at the site of amputation is A. Morphallaxis B. Reparative bud C. Blastema D. Both A and B
1 Answer 
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