Magnesium reacts with chlorine to form the ionic compound magnesium chloride . ( e ) Draw a ‘ dot and cross ‘ diagram to
Helium-6 and Helium-7 are isotopes. the nucleon number(mass number) of helium-6 is 6 and of helium-7 is 7. (a) What is the meaning of
Cellular respiration It is the process in which the C-H bonds in food are broken by oxidation reduction reactions and the energy is transformed
Homeostasis Homeostasis may be defined as the maintenance of the internal condition of body at equilibrium, despite change in the external environment. Body cells
For their activities, organisms need energy in the form of (a) glucose (b) DNA C. sugar (d) ATP The process in which the C
The optimum temperature for the germination of seeds of most ranges from – to (a) 15°-20° (b) 20-25° (c) 25-30° . (d) 30-35°
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