The lines represented by the equation $x^2-y^2-x+3y-2=0$ are :

The centroid of the triangle formed by the pair of straight lines $12x^2 - 20xy + 7y^2 = 0$ and the line $2x - 3y + 4 = 0$ is:

In a compound microscope,the focal lengths of the two lenses are $1.5 \, cm$ and $6.25 \, cm$. If an object is placed at $2 \, cm$ from the objective lens and the final image is formed at $25 \, cm$ from the eye lens,the distance between the two lenses is ...... $cm$.

Silviculture is the cultivation of which of the following?

What type of glycosidic linkages are present in cellulose?

Brush bordered epithelium is found in