L5|Relation & Fucntion

What is epithelial tissue ? Give its characteristics and fucntions.

Which of the following fucntion has period 2?

Out of ketonic and aldehydic groups, which is the terminal fucntional group?

Which one among the following is a fucntion of the pro- tem speaker of the lok sabha ?

What is the main fucntion of each of the following organelles" (a) Golgi bodies, (b) Vacuole.

Let R be a relation on the set of all line in a plane defined by (l_(1),l_(2))in R hArr l in el_(1) is parallel to line l_(2). Show that R is an equivalence relation.

Let R be a relation on the set of all lines in a plane defined by (l_(1),l_(2))in R line l_(1) is parallel to line l_(2). Show that R is an equivalence relation.

Let L be the set of all lines in the plane and R be the relation in L, defined as : R = { (l_(i),l_(j))=l_(i) is parallel to l_(j),AA i,j }. Show that R is an equivalence relation. Find the set of all lines related to the line y=7x+5 .

Let L be the set of all straight lines in the Euclidean plane. Two lines l_(1) and l_(2) are said to be related by the relation R iff l_(1) is parallel to l_(2) . Then, the relation R is not