h. Most cells die after 20-50 cell divisions but cancer cells are believed to be immortal.
Q: What is biological method of study? Answer: Science is the systemized knowledge derived from observation and experiments carried out to determine the principle
Cell theory is the basis for the way that biologists study living things. Cell Theory is the most basic condition for determining if something is living.
MCQ: Metals difficult to oxidize are called weak metals strong metals noble metals none of above Answer MCQ: On contact with oxygen, Rubidium forms normal oxide
MCQ: Process in which substance gains electrons is called oxidation hydrogenation sublimation reduction Answer MCQ: On industrial scale sodium metal is prepared by electrolysis of fused
MCQ: Atoms of metals form anions molecules cation none of above MCQ: Interaction between highly electron deficient hydrogen and highly electronegative atom is called Covalent bond
1.: Both of elements of 1st period contains valence electrons in M shell N shell K shell S shell 2: In periodic table, helium is placed
MCQ: If n = 3 we are in K shell L shell M shell f shell MCQ: Water that contains H-2 atoms is called heavy water
MCQ: A mixture that consists of different components is called homogeneous mixture heterogeneous mixture mixture none of above Answer MCQ: Free radicals are electrically positively charged