[" Qo.A.Give scientific reasons: "],[[" "(1) Upward and downward movement of "," universa "],[" Ans."," diaphragm occurs consecutively."],[" (1) The diaphragm is a muscular partition present "]]

Give scientific reasons : Alkali metals are placed in Group 1.

Give scientific reasons: In plants like Touch-me-not (Mimosa), movement also occurs at the places other than where it has been touched.

Give scientific reasons. Explain why 1 kg of gold would weigh different at the pole and equator .

Which option is completely correct for the given statements Statement 1 - The nerve impluse ordered by respiratory centre passes through nerve to the diaphragm and the intercostal muscles and regulates respiration Statement 2 - Respiratory centres scatterly located in the brain stem gives of rhythmic stimuli to diaphragm and resiratory muscle and regulate respiration

Which option is completely correct for the given statements : Statements : Statement 1 : The nerve impulse ordered by respiratory centre passes through nerve to the diaphragm and the intercostal muscles and regulates respiration. Statement 2: Respiratory centres scatterly located in brain stem gives of rythmic stimuli to diaphragm and respiratory muscle and regulate respiration.