Define the following terms: (a) percentage strength (W/W), (b) molarity (c) molality (d) normality.

Define the following terms: (a) Aestivation (b) Placentation (c) Actinomorphic (d) Zygomorphic (e) Superior ovary (f) Perigynous flower (g) Epipetalous Stamen

Define the following terms and give one example for each: (a) Commensalism (b) Parasitism (c) Camouflage (d) Mutualism (e) Interspecific competition

Calculate the strength in-percentage (W/V), moles perr litre or molarity, number of gram equivalents of the solute and normality of the following solutions- (i) 9.125g of HCl in 200 mL of its aqueous solution. (ii) 60g of NaOH in 3L of its aqueous solution. (iii) 14.7g H_(2)SO_(4) in 500 mL of its aqueous solution. (iv) 296 Ca(OH)_(2) in 10 L of its aqueous solution.

If a ,b ,c and u ,v ,w are the complex numbers representing the vertices of two triangles such that (c=(1-r)a+r b and w=(1-r)u+r v , where r is a complex number, then the two triangles (a)have the same area (b) are similar (c)are congruent (d) None of these

Which of the following will represent the normality of 10% (w/V) acetic acid

Who amongst the following scientist rediscovered Mendel's work ? (a) T.H. Morgan (b) W. Bateson (c) E. Strasburger (d) Von Tschermak

Molarity and normality of a solution change with temperature but molality does not. Explain.

Let omega != 1 be cube root of unity and S be the set of all non-singular matrices of the form [(1,a,b),(omega,1,c),(omega^2,omega,1)], where each of a,b, and c is either omega or omega^2. Then the number of distinct matrices in the set S is (a) 2 (b) 6 (c) 4 (d) 8

For three vectors vec u , vec va n d vec w which of the following expressions is not equal to any of the remaining three ? a. vec udot( vec vxx vec w) b. ( vec vxx vec w)dot vec u c. vec vdot( vec uxx vec w) d. ( vec uxx vec v)dot vec w