How cell wall is formed in plant cell?
\(\frac{M_1D_1H_1}{W_1}=\frac{M_2D_2H_2}{W_2}\) M1 = 300, D1 = 12, H1 = 8, W1 = 200 M2 = 120, D2 = ? H2 = 9, W2 = 180 \(\frac{300\times12\times8}{200}=\frac{120\times D\times7}{180}\) D = 24 days
2 Answers 1 viewsIn plants, cell wall shows middle lamella, primary wall and secondary wall 1. Middle lamella: It is thin and present between two adjacent r cells. It is the first structure formed from...
2 Answers 1 viewsCorrect Answer - `(5)/(6) m//s`
2 Answers 1 viewsAdiabatic wall Diathermic wall i. An ideal wall or partition separating two systems such that no heat exchange can take place between the systems is called adiabatic wall. A wall that allows exchange of...
2 Answers 1 viewsGiven: s = 40m, v = 330 m/s To Find: time (t) Formula: Time = distance \(\frac{distance}{speed}\) Calculation: The distance travelled by the sound wave = 2 × distance from man to wall. = 2 × 40...
2 Answers 43 viewsD) cell sap acts as 4 semipermeable membrane.
2 Answers 1 viewsA) heavy truck
2 Answers 1 viewsCorrect option is (A) 27 Given that 36 men can built a wall in 12 days. \(\therefore\) Total work = 36 \(\times\) 12 Let 16 men can built the wall in x days. \(\therefore\) Total work = 16 \(\times\) x \(\because\) Both work...
2 Answers 1 viewsCorrect option is (B) 13 1/2 Work done to complete the wall = Work done by 30 labourers in 9 days = Work done by 20 labourers in x days \(\therefore 20\times x=30\times9\) \(\Rightarrow x=\frac{30\times9}{20}=\frac{27}2\,days\) \(=13\frac12\,days\)
2 Answers 1 views